Shuichi Matsumoto

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Patents Grantslast 30 patents

Information Patent Grant
Optical communications apparatus and method
- Patent number 6,282,006
- Issue date Aug 28, 2001
- Sony Corporation
- Hitoshi Tamada
- G02 - OPTICS
Information Patent Grant
Optical pickup and opto-magnetic signal reproducing apparatus
- Patent number 5,982,731
- Issue date Nov 9, 1999
- Sony Corporation
- Noriaki Nishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup and opto-magnetic signal reproducing apparatus
- Patent number 5,796,701
- Issue date Aug 18, 1998
- Sony Corporation
- Noriaki Nishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Polarization optical element
- Patent number 5,748,368
- Issue date May 5, 1998
- Sony Corporation
- Hitoshi Tamada
- G02 - OPTICS
Information Patent Grant
Optical pickup and optical recording medium reproducing apparatus h...
- Patent number 5,732,060
- Issue date Mar 24, 1998
- Sony Corporation
- Kiyoshi Toyota
- G11 - INFORMATION STORAGE
Information Patent Grant
Combined-operation type switching apparatus including rotational an...
- Patent number 5,665,946
- Issue date Sep 9, 1997
- Alps Electric Co., Ltd.
- Akio Nishijima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Auto changer capable of recording/reproducing information signals o...
- Patent number 5,557,590
- Issue date Sep 17, 1996
- Sony Corporation
- Shuichi Matsumoto
- G11 - INFORMATION STORAGE