Yusha Kobo

What Yusha Kobo does

Yusha Kobo (\u904a\u820e\u5de5\u623f) operates Japan's first dedicated custom mechanical keyboard specialty store, founded in April 2018 as an online shop and incorporated in December 2018 with \u00a53 million in capital, later increased to \u00a510 million in February 2021. The company opened its physical retail and workshop space in Ueno, Tokyo (Akihabara area) in January 2019 and since March 2025 has operated as a wholly-owned subsidiary of Kaho Musen Holdings, a diversified Fukuoka-based group covering electronics kits, parts retail, and home improvement. The company sells original and third-party keyboard kits (Helix, HelixPico, Corne, Cornelius, meishi), keycaps, switches, and accessories, and operates fabrication services on a trotec Speedy 100 flexx laser cutter (CO\u2082 60W + fiber 20W) for laser cutting of acrylic, POM, and Poron materials, UV printing on acrylic, and keycap laser marking and UV printing. Additional services include a workspace rental with soldering tools (\u00a52,000/2 hours; \u00a53,000/30-min technical support), laser cutter time rental (\u00a54,000/45-min session), soldering training, consignment sales (15-20% commission), and monthly rental boxes for creators (\u00a52,200/month + 15% commission).

The business serves three primary personas: custom keyboard hobbyists and enthusiasts who assemble their own boards; independent keyboard kit designers and Artisan keycap artists who sell through Yusha Kobo's retail, e-commerce, and consignment channels; and casual visitors/beginners (including families at parent-child workshops such as the \u00a521,600 HelixPico soldering events). Distribution is hybrid: a single physical store in Tokyo, an owned e-commerce storefront (shop.yushakobo.jp), the Amazon Japan marketplace, and consignment/rental box programs for creators. Pricing is fully published, transaction- or session-based, with no subscription except the rental box program. Community engagement is the dominant marketing lever, supported by an official Discord server, Twitter/X (@yushakobo_shop), Instagram, Facebook, staff blog, and participation in Maker Faire Tokyo and other maker events.

The core technology stack is precision digital fabrication (laser + UV print) combined with low-volume kit assembly and curated third-party parts sourcing. Notable proprietary output includes the Lube Station (co-developed with Nagao Manufacturing as a Japanese-made precision metal switch lubrication accessory) and branded kits such as HelixPico. There is no disclosed software platform, no AI/ML component, and no app; the competitive layer is physical retail presence plus community curation, not software. Geographic reach is Japan-only.

Name

Yusha Kobo

Legal name

株式会社 遊舎工房（Yushakobo Co., Ltd.）

Website

https://yushakobo.jp

Company type

Private

Founded year

2018

Operating status

Operating

Short description

Yusha Kobo is Japan's first custom mechanical keyboard specialty store, based in Ueno, Tokyo. It sells keyboard kits, keycaps, and parts, operates laser cutting and UV printing fabrication services, runs a workshop and rental space, and offers consignment and rental box programs for independent keyboard and Artisan keycap creators.

Ownership category

akta.pro rank

Product category

Custom Mechanical Keyboards & Keyboard Fabrication Services

akta.pro primary industry

DIY Kits, STEM Electronics & Maker Bundles Retail (CRACAKAN)

akta.pro secondary industry

Embedded, Maker Platforms & Development Kits Retail (CRACAKAI)

Keywords

• Custom mechanical keyboards
• Laser cutting services
• UV printing services
• Keycap customization
• Workshop space rental

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices3 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales, Technology or R&D, Infrastructure

Revenue model

1. Keyboard Kit & Parts Sales: Retail sale of custom mechanical keyboard kits (Helix, meishi, Corne, ErgoDash, etc.), key switches, keycaps, accessories, and components through both physical store and e-commerce. Revenue is one-time per transaction with no recurring subscription element.
2. Fabrication Services (Laser Cutting, UV Printing, Keycap Printing): Charges for laser cutting of acrylic materials, UV printing on custom items, and keycap laser marking/UV printing services. Customers pay per job based on material size and complexity.
3. Own Branded Products: Sale of Yusha Kobo branded products including the HelixPico keyboard kit, Helix nylon bags, and the collaborative Lube Station. Revenue from product sales with higher margins than third-party goods.
4. Workshop & Equipment Rental: Charges for use of workspace with soldering tools (2 hours for ¥2,000, extension ¥1,000/hour), optional technical support (¥3,000/30 min), laser cutter time rental (¥4,000 per 45-min session), and soldering training (¥2,500).
5. Consignment & Rental Box Commission: Rental boxes for creators to sell keyboard-related products (¥2,200/month rental, 15% sales commission). Keyboard kit consignment sales (15% in-store, 20% online). Artisan keycap consignment (20% commission, 1-5 units).

Pricing tiers

Go-to-market motion3 records

Distribution channels4 records

Marketing channels8 records

Core offering

Yusha Kobo is a custom mechanical keyboard specialty retailer and fabrication workshop operating a Tokyo physical store and e-commerce shop. It sells custom and third-party keyboard kits (Helix, HelixPico, Corne, Cornelius, meishi), switches, keycaps, parts, and accessories, and offers laser cutting, UV printing, and keycap customization services plus workshop space rental for hands-on keyboard assembly. It also runs consignment sales and rental box programs that enable independent keyboard kit designers and artisan keycap artists to sell their creations through Yusha Kobo's retail and online channels.

Product overview

Yusha Kobo is a custom mechanical keyboard specialty store offering a comprehensive ecosystem centered on keyboard kits, fabrication services, and community support. The core product lineup includes original and designed keyboard kits such as the Helix series (Helix, HelixPico), Corne, Cornelius, and meishi, alongside complementary accessories like the Lube Station and Helix nylon bag. The service portfolio encompasses laser cutting and UV printing services for custom acrylic parts, keycap printing and laser marking services, a workshop space with tools for self-assembly, and consignment programs for independent creators including keyboard kit sales, rental boxes, and artisan keycap consignment. The company operates both physical retail in Akihabara and online sales channels, positioning itself as Japan's first custom keyboard specialty store since 2018.

Differentiator

Problem solved

Functional benefit

Products and services

• Helix Keyboard Kit Split-type ortholinear keyboard kit offered in 4 or 5 rows with acrylic or stainless steel cases, underglow or backlight options, Kailh switches, and support for OLED and RGB LED modules. Sold to hobbyists building custom mechanical keyboards.
• HelixPico Keyboard Kit Compact split-type 4-row 50-key keyboard kit using Kailh low-profile switches, with built-in speaker for sound feedback, pre-flashed controller, and colorful acrylic plate variations. Positioned for beginners and parent-child workshops.
• Corne Keyboard Kit Split-type columnar staggered keyboard kit designed by foostan, offered by Yusha Kobo with acrylic case templates for customization including Corne Chocolate and Corne Cherry variants.
• Cornelius Keyboard One-piece 40% ergonomic keyboard designed by foostan, offered by Yusha Kobo in E-White, Black, and Gray colors. Sold via Group Buy in 2021 with all 50 units selling out in approximately 2 minutes.
• meishi Keyboard Name-card-sized 4-key keyboard PCB designed by @Biacco42 (Ergo42 author) as an introductory kit for beginners; over 400 sets sold as of April 2019, the store's best-selling kit.
• Lube Station Metal key switch lubricating station developed in collaboration with Nagao Seisakusho, with precision engineering to hold switches during lubrication, white powder-coat finish, and acrylic accessories for customization.
• Laser Cutting Service Custom laser cutting of acrylic, POM, and Poron (form) materials for keyboard plates, cases, and accessories using a Trotec Speedy 100 flexx (CO2 60W + fiber 20W); customers provide design data following documented formatting rules.
• UV Printing Service UV printing on acrylic combined with laser cutting for custom keychains, badges, and personalized keyboard accessories with full-color artwork; offered in A5, A4, and A3 sizes at 2-5 mm acrylic thicknesses with front print, white underlay, and back print options.
• Keycap Laser Marking Service Laser engraving service for DSA (16 pcs, ¥3,256), XDA (16 pcs, ¥3,784), Kailh Choc (36 pcs, ¥5,500), and MBK Choc (36 pcs, ¥6,050) keycap sets with customer-provided designs; prices exclude ¥550 shipping.
• Keycap UV Printing Service UV printing service for DSA, XDA, Kailh Choc, and MBK Choc keycap sets, allowing full-color custom artwork on keycaps.
• Laser Cutting Machine Rental Service Time-based rental of the Trotec Speedy 100 flexx laser cutter at ¥4,000 per 45-minute session (1 hour seat reserved including setup/cleanup); requires completion of a ¥3,000 training course that includes one hour of free use.
• Workshop Space Rental Workspace rental for keyboard assembly and customization with soldering stations, multimeters, oscilloscopes, heat guns, glue guns, and switch-lubrication equipment; ¥2,000 for a 2-hour session, ¥1,000/hour extension, with optional technical support at ¥3,000 per 30 minutes and soldering training at ¥2,500.
• Keyboard Kit Consignment Sales Consignment service for keyboard kit creators to sell their products at Yusha Kobo's store and e-commerce; accepts kits with 30+ keys, 1-10 units per submission, with 15% commission in-store and 20% online.
• Rental Box Service Monthly rental box sized W27cm × H24cm × D42cm for selling keyboard-related products (keyboards, keycaps, cases, bags, etc.) in-store at ¥2,200/month with automatic renewal and 15% sales commission on each transaction.
• Artisan Keycap Consignment Consignment service for artisan keycap creators; accepts 1-5 keycaps per submission with 20% commission on in-store sales, minimum price ¥3,000 excluding tax, and a 3-month consignment period.
• Helix Nylon Bag Nylon carrying bag designed specifically for Helix keyboards, created in collaboration with bag designer mShanti.
• Helix Replacement Parts Individual replacement parts for Helix keyboards including Helix PCB, stainless steel plate, Pro Micro with spring pin headers, OLED modules, SK6812MINI LEDs, and serial LED strips.

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Jelly Key (Vietnam Design Studio)coreChannel Partner/ Reseller/ Distributor · 30 June 2020Yusha Kobo became Jelly Key's official Japan domestic sales partner, enabling Japanese customers to purchase Jelly Key's Artisan keycap designs locally. Group Buy products are offered simultaneously with Jelly Key's own releases. Jelly Key is known for 100+ unique Artisan keycap designs with high production quality.
• Nagao Manufacturing (有限会社 長尾製作所)coreStrategic or Co-development Partner · 5 January 2020Collaboration to develop and manufacture the 'Lube Station' — Yusha Kobo's first proprietary branded product. Nagao handles precision metal sheet fabrication (cutting, bending, finishing), while Yusha Kobo handles acrylic accessories and overall product design. The collaboration leveraged community feedback and fast prototyping over approximately 3 months.
• Community Designers (foostan, yohe)coreStrategic or Co-development Partner · 5 January 2020foostan (Corne keyboard designer, Pastry Keyboard brand) and yohe (NumAtreus designer) participated as community representatives in the Lube Station product development, contributing design feedback and requirements from a user perspective. They were involved from initial concept discussions through final product design.
• Seeed (Fusion PCB)minorGTM or Marketing Partner · 2 April 2019Seeed (operator of Fusion PCB) sponsored the 'meishi Exhibition' (meishi-ten) at Yusha Kobo in May 2019, creating a commemorative product catalog/book for the exhibition featuring custom keyboard artworks displayed by attendees.

Scale indicators4 records

Recent moves10 records

Expansion highlights6 records

Direct peers

• Talpidae: Long-running Japanese custom keyboard community and retailer (Booth storefront) offering kits, keycaps and group buys. Closely mirrors Yusha Kobo's community-driven GTM and Japan-only audience.
• KBDfans: Major global custom keyboard retailer/manufacturer offering a wide range of kits, switches and parts. Competes with Yusha Kobo on catalog breadth and pricing, shipping internationally including to Japan.
• NovelKeys: US-based mechanical keyboard parts and accessories retailer offering switches, keycaps and DIY kits. Directly comparable as a hobbyist-focused parts retailer with online-first distribution.
• Boardsource: US-based custom keyboard kit manufacturer and retailer with kits, parts and accessories aimed at enthusiasts. Similar maker/kit-retailer profile and community-driven positioning to Yusha Kobo.
• Originative Co. Specialist keycap and custom keyboard accessories retailer (US/global). Directly comparable in product mix and enthusiast customer focus, particularly for high-end keycap curation.
• Switch Science: Japanese electronics and maker-focused retailer that has publicly collaborated with Yusha Kobo (e.g., WBS Trend Tamago feature). Operates a similar maker/electronics retail and community model in Japan, overlapping on DIY electronics kits and hobbyist customers.
• Daily Craft Keyboard: Japan-based custom mechanical keyboard retailer with comparable product mix (kits, parts, keycaps) and domestic community focus, directly competing with Yusha Kobo in the same Japanese hobbyist segment.

Broad incumbents

• Drop (formerly Massdrop): US-headquartered mechanical keyboard and enthusiast goods marketplace that pioneered Group Buys at scale. A broader incumbent with overlapping customer base but wider product portfolio than Yusha Kobo's niche.

Emerging players

• Jelly Key: Vietnam-based Artisan keycap designer with 100+ designs and an exclusive Japan domestic sales partnership with Yusha Kobo. Comparable as a creator-side participant in the same ecosystem, serving the same Japanese enthusiast customer through Yusha Kobo's channel.

Others

• Kaho Parts Center: Sister company under Kaho Musen Holdings, operating electronics parts retail. Post-acquisition sibling with adjacent product categories (electronic components) and potential cross-sell/distribution synergies.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/yushakobo
• Facebookfacebook.com/yushakobo
• Instagraminstagram.com/yushakobo

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Yusha Kobo