Kazuyuki Hara

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Facsimile transceiver utilizing orthogonal conversion
- Patent number 4,620,233
- Issue date Oct 28, 1986
- Ricoh Company, Ltd.
- Mutsuo Ogawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Carriage support for recording head, diode matrix, and drivers
- Patent number 4,345,264
- Issue date Aug 17, 1982
- Ricoh Co. Ltd.
- Kazuyuki Hara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Facsimile transmission and reception apparatus
- Patent number 4,266,251
- Issue date May 5, 1981
- Ricoh Company, Ltd.
- Kazuyuki Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electrostatic printing apparatus comprising improved electrode driv...
- Patent number 4,262,294
- Issue date Apr 14, 1981
- Ricoh Company, Ltd.
- Kazuyuki Hara
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Recording head
- Patent number 4,251,822
- Issue date Feb 17, 1981
- Ricoh Company, Ltd.
- Kazuyuki Hara
- G06 - COMPUTING CALCULATING COUNTING