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Kazuhisa Morimoto
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Settsu, JP
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last 30 patents
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Patent Grant
Method for recording optical information in optical high density re...
Patent number
4,845,021
Issue date
Jul 4, 1989
Matsushita Electric Industrial Co., Ltd.
Jinsei Miyazaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium
Patent number
4,794,068
Issue date
Dec 27, 1988
Matsushita Electric Industrial Co., Ltd.
Jinsei Miyazaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical high density recording mediums, method for making same and...
Patent number
4,737,427
Issue date
Apr 12, 1988
Matsushita Electric Industrial Co., Ltd.
Jinsei Miyazaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical filter and the method of preparing the same
Patent number
4,725,460
Issue date
Feb 16, 1988
Matsushita Electric Industrial Co., Ltd.
Yoshihiro Matsuo
G02 - OPTICS
Information
Patent Grant
Optical recording medium and production of the same
Patent number
4,686,169
Issue date
Aug 11, 1987
Matsushita Electric Industrial Co., Ltd.
Kimiaki Yoshino
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method of manufacturing video disc
Patent number
4,472,336
Issue date
Sep 18, 1984
Matsushita Electric Industrial Co., Ltd.
Yoshio Enoki
G11 - INFORMATION STORAGE
Information
Patent Grant
Pickup cartridge
Patent number
4,232,869
Issue date
Nov 11, 1980
Matsushita Electric Industrial Co., Ltd.
Takashi Wakabayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hygroscopic resin and humidity sensor using the same
Patent number
4,120,813
Issue date
Oct 17, 1978
Matsushita Electric Industrial Co., Ltd.
Hideo Hatanaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...