Yoshihiro Kogasaka

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Odawara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric heat-sealing heater having a flexible heat accumulating se...
- Patent number 4,952,777
- Issue date Aug 28, 1990
- Fuji Photo Film Co., Ltd.
- Yoshihiro Kogasaka
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL