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認定証

パッシブエネルギージャパン品質管理徹底宣言

PEJ commitment to quality (Japanese).

パッシブエネルギージャパンISO9001登緑証

ISO9001 certificate (Japanese).

ISO9001 certificate (English)

ISO9001 certificate (English).

蓄熱エレメントの特許証

Patent of a ventilation unit with heat exchanger (Japanese).

>せせらぎ®の商標登録証

Seseragi trademark registration.

せせらぎαの商標登録証

Seseragi α trademark registration.

ガウスファンの商標登録証

Gauss Fan trademark registration.

PEJスーパー換気の商標登録証

PEJ super ventilation trademark registration.

PEJ換気の商標登録証

PEJ ventilation trademark registration.

            呼吸型換気の商標登録証            

Breathing type ventilation trademark registration.

European patent of a fan unit invention

Eurpean patent of a fan unit invention.

Japan Builders Network 会員書

JCertificate of membership | Japan Builders Network.