Yasutaka Shibuya

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Tachikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
High resolution figure displaying device utilizing plural memories...
- Patent number 4,447,809
- Issue date May 8, 1984
- Hitachi, Ltd.
- Kazuyuki Kodama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Figure displaying device
- Patent number 4,360,884
- Issue date Nov 23, 1982
- Hitachi, Ltd.
- Kunihiro Okada
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Direct memory access of a main memory by an input/output device usi...
- Patent number 4,346,439
- Issue date Aug 24, 1982
- Hitachi, Ltd.
- Takakazu Huno
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Figure displaying device
- Patent number 4,297,691
- Issue date Oct 27, 1981
- Hitachi, Ltd.
- Kazuyuki Kodama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Figure displaying device
- Patent number 4,291,306
- Issue date Sep 22, 1981
- Hitachi, Ltd.
- Kazuyuki Kodama
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS