Hisashi Konno

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical disc apparatus
- Patent number 6,667,943
- Issue date Dec 23, 2003
- PENTAX Corporation
- Koichi Maruyama
- G11 - INFORMATION STORAGE
Information Patent Grant
Inclination of an objective lens in an optical information system
- Patent number 5,553,052
- Issue date Sep 3, 1996
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Masahiro Oono
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical disk apparatus
- Patent number 5,434,835
- Issue date Jul 18, 1995
- Asahi Kogaku Kogyo Kabushiki Kaisha
- Hisashi Konno
- G11 - INFORMATION STORAGE