Yukitaka Hayashi

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Head loading system
- Patent number 4,639,804
- Issue date Jan 27, 1987
- Hitachi, Ltd.
- Yoshihiro Moribe
- G11 - INFORMATION STORAGE
Information Patent Grant
Positioning method and apparatus therefor
- Patent number 4,490,662
- Issue date Dec 25, 1984
- Hitachi, Ltd.
- Yoshihiro Moribe
- G11 - INFORMATION STORAGE
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
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