Itabashi Togetoge

Name

Itabashi Togetoge

Legal name

株式会社いたばしトゲトゲ

Website

https://itabashi-togetoge.tokyo

Company type

Private

Founded year

2025

Operating status

Operating

Ownership category

akta.pro rank

Product category

Land-based Sea Urchin Aquaculture

NAICS

Aquaculture (1125), Shellfish Farming (112512)

SIC

Food And Kindred Products (2000)

akta.pro primary industry

Marine Shellfish Farming (e.g., oysters, mussels, clams) (AFAEAAAB)

akta.pro secondary industries

Live Feed & Hatchery Inputs Production (Artemia, Rotifers, Copepods, Microalgae Cultures) (AFAEAKAJ), Seed Stock Production for Seaweed & Microalgae (Spores, Seedlings, Inoculum) (AFAEAKAI)

Keywords

• Land-based aquaculture
• Sea urchin farming
• Marine aquaculture research
• Aquaponics systems
• Uni cultivation

Headquarters

HQ city

Itabashi, Tokyo

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Sea urchin product sales (planned): Future commercial sales of Itabashi-grown sea urchin produce. Currently in R&D phase; not yet generating revenue. The company notes it may take many years before generating significant sales due to the long growth cycle of sea urchins.
2. Branded merchandise (T-shirts, polo shirts): Sale of company-branded merchandise (official T-shirts and polo shirts). Part of the proceeds support sea urchin R&D, equipment, and aquarium maintenance costs.
3. Student internship program: Research-focused student internship program (paid at 1,226 JPY/hour). Interns participate in egg collection, fertilization, larval cultivation, feed experiments, and business development.
4. UNI1 Grand Prix sponsorship and enterprise partnerships: Corporate sponsorship revenue from the UNI1 Grand Prix student competition (e.g., Fudo Tetra sponsorship). Partnerships with universities, corporations, and local entities for the competition.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels7 records

Core offering

Itabashi Togetoge is a marine research venture that develops complete land-based sea urchin (uni) aquaculture in Itabashi, Tokyo, raising sea urchins from egg to harvest entirely on land without ocean proximity. The company experiments with vegetable-based feeds (cabbage, spinach, broccoli, citrus leaves, chrysanthemum greens) and craft brewery by-products (spent malt) to create differentiated sea urchin flavors, and supplements R&D with the UNI1 Grand Prix student cultivation competition, elementary-school sea urchin classrooms, a student internship program, and branded merchandise sales.

Product overview

Itabashi Togetoge is a marine aquaculture research venture based in Itabashi, Tokyo, focused on complete land-based sea urchin farming from eggs - a pioneering effort in Japan. The core offering is their sea urchin aquaculture research and development, supplemented by the UNI1 Grand Prix student competition for feed innovation, live camera monitoring systems for tank observation, official merchandise for community support, and a student internship program. They aim to produce safe, delicious sea urchins using vegetable-based feeds in aquaponics systems, with plans for eventual commercialization.

Differentiator

Problem solved

Functional benefit

Products and services

• UNI1 Grand Prix 2026 A student team-based sea urchin cultivation competition where participants develop unique feed formulations, cultivate sea urchins over approximately three months, and compete on taste and branding. The winning team receives 100,000 yen plus naming rights to the resulting Itabashi sea urchin brand; finals are held at a sushi restaurant with taste evaluation and public voting.
• Official Branded Merchandise (T-shirts and Polo Shirts) Official Itabashi Togetoge branded supporter merchandise, including plain T-shirts and polo shirts featuring the company logo, sold to support sea urchin research and development activities.
• Student Internship Program Paid research and business development internship for university students, who participate in complete land-based sea urchin aquaculture research including egg collection, fertilization, larval cultivation, feed experimentation, IP/patent work, and business development activities at Itabashi Togetoge.
• Elementary School Sea Urchin Classroom An educational outreach program for elementary school students offering hands-on lessons about sea urchin biology and aquaculture to introduce landlocked urban children to marine science and food production.
• Live Camera Monitoring System Public real-time camera monitoring system with three cameras (cam1, cam2, cam3) allowing online observation and recording of sea urchin growth and behavior in Itabashi Togetoge's cultivation tanks.

Named customers1 record

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

One partnership is on record.

• 株式会社不動テトラ (Fudo Tetra Co., Ltd.)minorGTM or Marketing Partner · 26 May 2026Fudo Tetra is sponsoring the UNI1 Grand Prix 2026 student sea urchin cultivation competition. Fudo Tetra supports the project's goals of水产研究 (aquaculture research), 食育 (food education), 地域活性化 (regional activation), 産学連携 (industry-academia collaboration), and 新しい水産業モデルの創出 (creating new aquaculture business models). The sponsorship includes financial support and collaboration in the competition.

Scale indicators5 records

Recent moves1 record

Broad incumbents

• Maruha Nichiro: Japan's largest integrated seafood and aquaculture company, with extensive marine aquaculture operations including sea urchin. Comparable as a broad incumbent in Japanese seafood/aquaculture with vastly greater scale and resources.
• Nippon Suisan Kaisha (Nissui): Major Japanese seafood and aquaculture conglomerate with significant operations in marine aquaculture including salmon, yellowtail, and shellfish. Comparable as a broad incumbent with potential to enter land-based sea urchin if category proves viable.

Emerging players

• Atlantic Sapphire: Pioneer of land-based salmon farming using recirculating aquaculture systems (RAS). Comparable as a venture-scale land-based aquaculture company pursuing premium urban-proximate seafood production.
• AquaBounty Technologies: US-based land-based aquaculture company using recirculating systems for finfish (salmon). Comparable as a pioneer in land-based closed-containment aquaculture, though focused on different species.

Others

• Shiok Meats: Singapore-based cultivated (cell-based) seafood startup. Comparable as an adjacent emerging alternative-seafood venture pursuing premium crustacean/uni-equivalent products through cellular agriculture rather than aquaculture.
• JFE Engineering (Aquaculture Division): Japanese engineering firm with a recirculating aquaculture systems (RAS) business for land-based fish farming. Comparable as a potential infrastructure partner or competitor enabling land-based aquaculture in Japan.

Direct peers

• Urchinomics: New Zealand-based company specializing in land-based/contained sea urchin ranching and cultivation for kelp forest restoration and premium food markets. Most directly comparable peer in land-based sea urchin aquaculture methodology and end-product category.

Regional players

• Hokkaido Rishiri Uni Producers (cooperative): Traditional Hokkaido-based sea urchin harvesters and producers (e.g., Rishiri, Rebun island cooperatives) representing the dominant wild-caught premium uni supply in Japan. Comparable as competing supply for premium uni demand.

Market position

Strengths5 records

Weaknesses5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Instagraminstagram.com/itabashitogetoge

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Itabashi Togetoge