Toshihiko Okina

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Komagane, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical pick-up device having a plurality of light sources with dif...
- Patent number 6,522,619
- Issue date Feb 18, 2003
- Kabushiki Kaisha Sankyo Seiki Seisakusho
- Katsushige Yanagisawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Helical scan type rotary head drum unit
- Patent number 5,373,404
- Issue date Dec 13, 1994
- Kabushki Kaisha Sankyo Seiki Seisakusho
- Daiichirou Katou
- G11 - INFORMATION STORAGE
Information Patent Grant
Helical scan type rotary head apparatus
- Patent number 5,270,890
- Issue date Dec 14, 1993
- Nippon Hoso Kyokai
- Daiichirou Katou
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape drive mechanism
- Patent number 5,206,771
- Issue date Apr 27, 1993
- Kabushiki Kaisha Sankyo Seiki Seisakusho
- Daiichirou Katou
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Optical pick-up device and method of manufacturing the same
- Publication number 20010043520
- Publication date Nov 22, 2001
- Katsushige Yanagisawa
- G11 - INFORMATION STORAGE