Hisashi Kojoh

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Yatsushiro-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Inner mandrel
- Patent number 7,140,855
- Issue date Nov 28, 2006
- Kohjin Co., Ltd.
- Koji Watanabe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for producing stretched film
- Patent number 4,983,337
- Issue date Jan 8, 1991
- Kohjin Co., Ltd.
- Hisashi Kojoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing a porous resin film
- Patent number 4,968,464
- Issue date Nov 6, 1990
- Kohjin Co., Ltd.
- Hisashi Kojoh
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Inner mandrel
- Publication number 20050100623
- Publication date May 12, 2005
- Kohjin Co Ltd
- Koji Watanabe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL