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Mikio Tomisaki
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Chikushino, JP
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last 30 patents
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Patent Grant
Optical pickup device
Patent number
6,556,533
Issue date
Apr 29, 2003
Matsushita Electric Industrial Co., Ltd.
Masaharu Fukakusa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup device
Patent number
6,266,314
Issue date
Jul 24, 2001
Matsushita Electric Industrial Co., Ltd.
Masaharu Fukakusa
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup having a common light beam path for passing either o...
Patent number
6,256,283
Issue date
Jul 3, 2001
Matsushita Electric Industrial Co., Ltd.
Masaharu Fukakusa
G11 - INFORMATION STORAGE
Information
Patent Grant
Integrated type optical pickup having packaging with gas-tight seal
Patent number
5,783,818
Issue date
Jul 21, 1998
Matsushita Electric Industrial Co., Ltd.
Seiji Manabe
G11 - INFORMATION STORAGE