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Toshitaka Hara
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Hitachi, JP
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last 30 patents
Information
Patent Grant
Method and apparatus for system for selectively extracting display...
Patent number
5,133,067
Issue date
Jul 21, 1992
Hitachi, Ltd.
Toshitaka Hara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Trend graph display system
Patent number
4,307,393
Issue date
Dec 22, 1981
Hitachi, Ltd.
Nagaharu Hamada
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Microprocessor controlled display system
Patent number
4,237,543
Issue date
Dec 2, 1980
Hitachi, Ltd.
Yoji Nishio
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Variable accuracy trend graph display apparatus
Patent number
4,231,032
Issue date
Oct 28, 1980
Hitachi, Ltd.
Toshitaka Hara
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Data display control system with plural refresh memories
Patent number
4,200,869
Issue date
Apr 29, 1980
Hitachi, Ltd.
Norio Murayama
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Computer systems having a common memory shared between a central pr...
Patent number
4,156,904
Issue date
May 29, 1979
Hitachi, Ltd.
Yasuo Minowa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Partitioned display control system
Patent number
4,129,858
Issue date
Dec 12, 1978
Hitachi, Ltd.
Toshitaka Hara
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Raster scan type CRT display system having an image rolling function
Patent number
4,129,859
Issue date
Dec 12, 1978
Hitachi, Ltd.
Masahiro Iwamura
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS