Ryoichi Kitamura

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Patents Grantslast 30 patents

Information Patent Grant
Modified silicone release agent
- Patent number 5,430,120
- Issue date Jul 4, 1995
- Goyo Paper Working Co., Ltd.
- Shuzo Ohara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of manufacturing release sheet
- Patent number 5,366,681
- Issue date Nov 22, 1994
- Goyo Paper Working Co., Ltd.
- Shuzo Ohara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of manufacturing release paper
- Patent number 5,213,743
- Issue date May 25, 1993
- Goyo Paper Working Co., Ltd.
- Shuzo Ohara
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Synthetic resin laminated paper
- Patent number 5,139,835
- Issue date Aug 18, 1992
- Goyo Paper Working Co., Ltd.
- Ryoichi Kitamura
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Laminated material for hot and cold cups and its manufacturing method
- Patent number 4,937,110
- Issue date Jun 26, 1990
- Goyo Paper Working Co. Ltd.
- Shuzo Ohara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Manufacturing method of release paper
- Patent number 4,702,874
- Issue date Oct 27, 1987
- Goyo Paper Working Co., Ltd.
- Shuzo Ohara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL