Takahito Katsuura

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Aichi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Resin case in which gas-permeability and waterproof quality are com...
- Patent number 7,442,334
- Issue date Oct 28, 2008
- Tokai Kogyo Co., Ltd.
- Kouichi Hara
- F21 - LIGHTING
Information Patent Grant
Resin case providing compatibility between air permeability and wat...
- Patent number 6,827,232
- Issue date Dec 7, 2004
- Tokai Kogyo Co., Ltd.
- Kouichi Hara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Resin case in which gas-permeability and waterproof quality are com...
- Publication number 20050046081
- Publication date Mar 3, 2005
- Tokai Koygo Co., Ltd.
- Kouichi Hara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL