Masaaki Kogure

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of processing colored image in multilevel gradations
- Patent number 5,057,914
- Issue date Oct 15, 1991
- Ricoh Company, Ltd.
- Katsuhisa Tsuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color image forming apparatus
- Patent number 4,916,547
- Issue date Apr 10, 1990
- Ricoh Company, Ltd.
- Akio Katsumata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 4,914,459
- Issue date Apr 3, 1990
- Ricoh Company, Ltd.
- Takashi Mama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Wide screen display device using an endless belt
- Patent number 4,857,908
- Issue date Aug 15, 1989
- Ricoh Company, Ltd.
- Masaaki Kogure
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Image reading device using fiber optic bundles configured different...
- Patent number 4,721,851
- Issue date Jan 26, 1988
- Ricoh Company, Ltd.
- Masaaki Kogure
- H04 - ELECTRIC COMMUNICATION TECHNIQUE