Hiroshi Kitazawa

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Mishima, JP

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Patents Grantslast 30 patents

Information Patent Grant
Recording material, method of producing the same and method of recy...
- Patent number 5,738,759
- Issue date Apr 14, 1998
- Ricoh Company, Ltd.
- Hiroshi Kitazawa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of recycling image-deposited recording material, and recordi...
- Patent number 5,672,223
- Issue date Sep 30, 1997
- Ricoh Company, Ltd.
- Shigeaki Kimura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE