Ken Hamamura

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Fujinomiya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Filter exchange device for an extrusion molding machine
- Patent number 4,880,374
- Issue date Nov 14, 1989
- Fuji Photo Film Co., Ltd.
- Ken Hamamura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for consecutively coating both sides of web
- Patent number 4,241,111
- Issue date Dec 23, 1980
- Fuji Photo Film Co., Ltd.
- Ken Hamamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY