Hiroyoshi Tsuchiya

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Kawasaki, JA

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Patents Grantslast 30 patents

Information Patent Grant
Color separating method and apparatus using statistical techniques
- Patent number 4,090,243
- Issue date May 16, 1978
- Matsushita Electric Industrial Company, Limited
- Hiroaki Kotera
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Ink injection type writing system using amplitude-modulated electri...
- Patent number 4,072,958
- Issue date Feb 7, 1978
- Matsushita Electric Industrial Company, Limited
- Heijiro Hayami
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Facsimile signal transmission system
- Patent number 4,034,406
- Issue date Jul 5, 1977
- Matsushita Electric Industrial Co., Ltd.
- Hiroyoshi Tsuchiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for separating, combining and rearranging colo...
- Patent number 4,020,502
- Issue date Apr 26, 1977
- Matsushita Electric Industrial Co., Ltd.
- Heijiro Hayami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photographic image pick-up and coding system of run-length type
- Patent number 4,011,399
- Issue date Mar 8, 1977
- Matsushita Electric Industrial Co., Ltd.
- Hiroyoshi Tsuchiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Facsimile system of run-length
- Patent number 3,941,922
- Issue date Mar 2, 1976
- Matsushita Electric Industrial Co., Ltd.
- Hiroyoshi Tsuchiya
- G06 - COMPUTING CALCULATING COUNTING