Excel Shanon Corporation

What Excel Shanon Corporation does

Excel Shanon Corporation (株式会社エクセルシャノン) is Japan's first and leading specialized manufacturer of high-performance resin (PVC) window frames and sash products, founded as a business in 1976 and incorporated in its current form in 2008 through an absorption-type split from Kaneka. The company designs, manufactures, and sells the 'Shanon Wind' brand product line under its proprietary rigid vinyl chloride resin technology, where frames offer approximately 1/1,000th the thermal conductivity of aluminum and are fusion-welded at corners for airtight integrity. Its product portfolio spans multiple performance tiers — from standard double-glazed residential windows (Shanon Wind IIs) to the flagship NS50 G2/G3 series, the foam-filled UF series (Uw=0.73), triple-glazed Triple Shanon IIx (Uw=0.8), vacuum-insulation SPG (Uw=0.52, Japan's top insulation class), and Japan's first triple-glass fire-resistant window (Type TG). The company also sells entrance doors (Bellcome 5) and screens, and offers the 'Shanon DE Reform' retrofit service.

The company serves Japanese homebuilders, contractors, and building owners through an indirect B2B channel model: 9 regional sales branches plus 2 specialized sales departments (Tokuju and Building Materials Sales) cover all of Japan, supported by 100+ listed builder/contractor partners. Manufacturing is conducted at four domestic plants (Kuriyama/Hokkaido, Hanamaki/Iwate, Ritto/Shiga co-located with Panasonic Housing Solutions, Ochi/Saga). The company is privately held, with Panasonic Holdings owning 66% and Tokuyama Corporation (the originator of Japan's first resin sash in 1976) holding 34% as of 2023. Pricing is quote-based B2B and not publicly disclosed; products are qualified under multiple government energy-efficiency subsidy programs. The company operates with ISO 9001:2015 certification across all locations and holds regulatory certifications spanning fire-zone compliance, public building standard specifications, and ministerial approvals for fire-resistant window configurations.

Name

Excel Shanon Corporation

Legal name

株式会社エクエルシャノン

Website

https://excelshanon.co.jp

Company type

Private

Founded year

2000

Operating status

Operating

Short description

Excel Shanon is Japan's first and leading specialized manufacturer of high-performance resin (PVC) window frames and sash products, serving homebuilders, contractors, and building owners across Japan through a 9-branch national sales network, with majority ownership by Panasonic Holdings.

Ownership category

akta.pro rank

Product category

Building Materials / Windows and Doors

NAICS

Metal Window and Door Manufacturing (332321)

SIC

Metal Doors, Sash, Frames, Moldings & Trim (3442)

akta.pro primary industry

Windows (IMADAIAC)

akta.pro secondary industries

Frames, Sashes, Mullions & Subframes (IMADAIAH), Insulating Glass Units (IGUs) & Double/Triple Glazing (IMADAHAC), Screens, Storm Doors/Windows & Insect Protection Systems (IMADAIAK)

Keywords

• Resin window manufacturing
• PVC window frames
• High-insulation windows
• Fire-resistant windows
• Building materials

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices13 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Resin Window and Sash Manufacturing and Sales: Excel Shanon designs, manufactures, and sells resin (PVC) window frames and assembled window units under the 'Shanon Wind' brand. Products range from standard double-glazed residential windows to ultra-insulating triple-glazed and fire-resistant commercial configurations. Revenue is generated from product sales to builders, contractors, and through distribution channels across Japan.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Excel Shanon Corporation designs, manufactures, and sells rigid PVC (hard vinyl chloride) resin window frames and assembled window units under the Shanon Wind brand for residential and commercial buildings in Japan. The product lineup spans standard double-glazed residential windows (Shanon Wind IIs, NS50 G2) through ultra-insulating triple-glazed units (Triple Shanon IIx, NS50 G3, SPG series with vacuum glass achieving Uw=0.52W/(㎡·K)), fire-resistant models (Type TG, EB, EC), and building-grade R1 series, complemented by insulated entrance doors (Bellcome 5) and accessory screens.

Product overview

Excel Shanon Corporation is a specialized resin window manufacturer offering a comprehensive portfolio of thermal-insulating windows and doors for residential and commercial buildings. The core product line includes the Shanon Wind series (シャノンウインド) with multiple performance tiers: the flagship NS50 series featuring dual and triple glass configurations including fire-resistant variants, the SPG series with vacuum insulation glass achieving Japan's highest insulation performance, the UF series with ultimate frame insulation technology, Triple Shanon IIx with triple glass for highest insulation class, and Shanon Wind II/IIs for standard dual-pane applications. Building-use products include the R1 series with multiple grades for different wind pressure requirements. Supporting products include comprehensive screen door (網戸) series, entrance doors (ベルカム５), and next-generation glass products (ESクリア). The company offers extensive window type varieties including sliding windows, vertically/horizontally pivoting windows, tilt-and-turn (drae-kip) windows, fixed windows, single-hung windows, ventilation windows, and decorative designs. All products utilize rigid PVC resin frames providing approximately 1/1000th the thermal conductivity of aluminum, combined with high-performance glass to deliver superior insulation, airtightness, sound insulation, and condensation resistance.

Differentiator

Problem solved

Functional benefit

Brands

• シャノンウインド (Shanon Wind): Primary product brand for high-performance resin sash windows and related building components.
• シャノン DE リフォーム (Shanon DE Reform)
• ベルカム５ (Bellcome 5)
• ESクリア / ESクリアスーパー

Products and services

• Shanon Wind NS50 Latest generation resin window series featuring advanced thermal insulation with G2 (dual-pane) and G3 (triple-pane) specifications, including fire-resistant models. Successor to the Shanon Wind IIs as the company's current flagship product line.
• Shanon Wind SPG Series Vacuum insulation glass resin window achieving Japan's highest-class thermal insulation performance with heat transfer coefficient of 0.52W/(㎡·K). Top-tier product for ultra-high-performance and ZEH-compliant housing.
• Shanon Wind UF Series (Ultimate Frame) Ultimate frame ultra-insulating resin window series with Uf value improved approximately 40% from previous models, achieving Uw value of 0.68W/(㎡·K). Uses foam-filled hollow sections in the resin frame profile.
• Triple Shanon IIx Japan's highest-class thermal insulation triple glass resin window with Uw value of 0.8W/(㎡·K), essential for high-performance houses including net-zero energy homes.
• Shanon Wind IIs High-performance dual-pane glass resin window with Low-E argon gas standard specification. Standard high-performance residential window for ZEH and energy-efficient homes.
• Resin Fire-Resistant Windows (Type TG, Type EB, Type EC) Fire-resistant resin windows combining fire prevention performance with thermal insulation performance, including Type TG (Japan's first triple-glass-spec fire-resistant resin window), Type EB with flame-shielding performance, and Type EC with quasi-flame-shielding performance, for Japan's Building Standards Act fire zone compliance.
• Shanon Wind R1 Series (Building-Use) Building-use resin window series with H-series featuring wind pressure resistance S-5 grade standard and M-series with S-4 grade, including EB-series for fire equipment compliance. First resin fittings product to receive a Public Building Standard Specifications evaluation certificate.
• Screen/Amido Series (網戸) Complete lineup of window screen products including roll screens, horizontal slide screens, and fixed screens. Complementary accessory product for the Shanon Wind window lineup.
• Bellcome 5 (ベルカム５) Insulated Entrance Door Insulated entrance door with fire-resistant options, introducing the Bellcome 5 series for residential applications. Distributed from Gaderius (Nordic-style wood door manufacturer) and sold under Excel Shanon's brand.
• ES Clear / ES Clear Super Next-Generation Glass Next-generation glass products combining thermal insulation, solar heat gain, and view quality, featuring advanced multi-layer low-E film technology. Specified option across Shanon Wind window products.
• Sliding Windows (引違い窓) Sliding windows including Hi-sash variants (H2500 ceiling-height compatible), sweep-open types, and single-slide configurations. One of the standard window operation types available across the Shanon Wind range.
• Custom-Made Windows (オーダーメイドサッシ) Custom-made windows for unique requirements including large openings up to 4m width, custom shapes, and deep installation configurations.

Quantifiable outcome

• Reduces primary energy consumption by ~13% by switching from standard aluminum sash to resin sash (company simulation, Tokyo residential model).
• +4 more outcomes

Named customers8 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

Feature6 records

Partnerships

Four partnerships are on record, tiered core and minor.

• Hokkaido Research Organization, Northern Architecture Comprehensive Research Institute (地方独立行政法人 北海道立総合研究機構 建築研究本部 北方建築総合研究所)coreStrategic or Co-development Partner · 1 January 2014Excel Shanon collaborated with this leading cold-climate public research institute on the 'Research on Ultra-High Thermal Insulation of Residential Resin Windows' project from April 2014 for one year. This joint research directly led to the development of the UF (Ultimate Frame) series with world-class Uw=0.63W/(㎡・K) performance.
• Panasonic Housing Solutions Co., Ltd. (パナソニックハウジングソリューションズ株式会社)coreStrategic or Co-development Partner · 1 January 2008Excel Shanon's Ritto Factory (栗東工場) is co-located within Panasonic Housing Solutions' facilities. This co-location enables manufacturing synergies and likely integration with Panasonic's housing/smart home ecosystem. Related to Panasonic Holdings' majority ownership.
• Resin Sash Industrial Association (树脂サッシ工業会)minorOthersIndustry association member. The association co-organizes events such as the 'Building Envelope Environmental Symposium' with the PVC Industry & Environment Association.
• HEAT20 (2020 Vision for High-Insulation Residential Technology Development Committee)minorOthersParticipating member in the HEAT20 committee — a national technical committee promoting ultra-high-insulation standards in Japanese housing, aligning with the company's high-performance window mission.

Scale indicators7 records

Recent moves10 records

Expansion highlights6 records

Broad incumbents

• LIXIL Corporation: LIXIL is Japan's largest building materials company (TOSTEM brand for windows/doors). It competes with Excel Shanon across the full residential window market but is a diversified incumbent offering aluminum, wood, and resin frames as part of a much broader housing products portfolio, while Excel Shanon is a resin-only specialist.
• Sankyo Tateyama, Inc.
• YKK AP Inc. YKK AP is a major Japanese manufacturer of architectural windows and doors, with a resin window lineup (APW) that directly competes with Excel Shanon's Shanon Wind series. Comparable as a window manufacturer with strong builder-channel distribution, though YKK AP operates as a broad building products incumbent rather than a resin specialist.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance2 records

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 Excel Shanon Corporation