Osamu Takekoh

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Non-fogging sheet and its production
- Patent number 5,273,812
- Issue date Dec 28, 1993
- Dai Nippon Insatsu Kabushiki Kaisha
- Kiyoshi Oguchi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL