Susumu Nomura

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Tokorozawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rotational optical head for optical recording medium
- Patent number 5,748,600
- Issue date May 5, 1998
- Pioneer Electronic Corporation
- Manabu Sugano
- G11 - INFORMATION STORAGE
Information Patent Grant
Rotary optical system for guiding and converging divided light beam...
- Patent number 5,673,245
- Issue date Sep 30, 1997
- Pioneer Electronic Corporation
- Naoharu Yanagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Astigmatism generating device
- Patent number 5,233,466
- Issue date Aug 3, 1993
- Pioneer Electronic Corporation
- Takanori Maeda
- G02 - OPTICS
Information Patent Grant
Focus error detecting apparatus
- Patent number 4,847,480
- Issue date Jul 11, 1989
- Pioneer Electronic Corporation
- Takanori Maeda
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device with tracking and focusing utilizing a photod...
- Patent number 4,815,060
- Issue date Mar 21, 1989
- Pioneer Electronic Corporation
- Susumu Nomura
- G11 - INFORMATION STORAGE
Information Patent Grant
An astigmatic focusing system with optical elements oriented to pro...
- Patent number 4,731,527
- Issue date Mar 15, 1988
- Pioneer Electronic Corporation
- Susumu Nomura
- G11 - INFORMATION STORAGE
Information Patent Grant
Error detecting system of video/audio disc player
- Patent number 4,513,408
- Issue date Apr 23, 1985
- Pioneer Video Corporation
- Susumu Nomura
- G11 - INFORMATION STORAGE