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Takeshi Matsushita
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Iwata-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Faraday rotator with metal reflection film
Patent number
7,050,231
Issue date
May 23, 2006
Minebea Co., Ltd.
Takeshi Matsushita
G02 - OPTICS
Information
Patent Grant
Faraday rotator
Patent number
6,785,037
Issue date
Aug 31, 2004
Minebea Co., Ltd.
Takeshi Matsushita
G02 - OPTICS
Information
Patent Grant
Reflection type faraday rotator with multiple reflection structure
Patent number
6,678,092
Issue date
Jan 13, 2004
Minebea Co., Ltd.
Takeshi Matsushita
G02 - OPTICS
Information
Patent Grant
Faraday rotator
Patent number
6,590,694
Issue date
Jul 8, 2003
Minebea Co., Ltd.
Takeshi Matsushita
G02 - OPTICS
Information
Patent Grant
Magneto-optical member and optical isolator using the same
Patent number
6,545,795
Issue date
Apr 8, 2003
Minebea Co., Ltd.
Takeshi Matsushita
G02 - OPTICS
Information
Patent Grant
Method of finishing the surface of a floating type magnetic head
Patent number
5,833,871
Issue date
Nov 10, 1998
Minebea Co., Ltd.
Takeshi Matsushita
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head
Patent number
5,267,113
Issue date
Nov 30, 1993
Minebea Co., Ltd.
Takeshi Matsushita
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Faraday Rotator
Publication number
20020149831
Publication date
Oct 17, 2002
MINEBEA CO., LTD.
Takeshi Matsushita
G02 - OPTICS
Information
Patent Application
Faraday rotator
Publication number
20020149832
Publication date
Oct 17, 2002
MINEBEA CO., LTD.
Takeshi Matsushita
G02 - OPTICS
Information
Patent Application
Reflection type faraday rotator with multiple reflection structure
Publication number
20020149833
Publication date
Oct 17, 2002
MINEBEA CO., LTD.
Takeshi Matsushita
G02 - OPTICS
Information
Patent Application
Faraday rotator with metal reflection film
Publication number
20020139974
Publication date
Oct 3, 2002
MINEBEA CO., LTD.
Takeshi Matsushita
G02 - OPTICS
Information
Patent Application
Magneto-optical member and optical isolator using the same
Publication number
20020063941
Publication date
May 30, 2002
MINEBEA CO., LTD.
Takeshi Matsushita
G02 - OPTICS