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Tsuyoshi Hirabuki
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Chofu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Demodulation circuit, a decode circuit and a digital PLL circuit fo...
Patent number
6,359,949
Issue date
Mar 19, 2002
Mitsumi Electric Co., Ltd.
Isao Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Demodulation circuit, a decode circuit and a digital PLL circuit fo...
Patent number
6,175,542
Issue date
Jan 16, 2001
Mitsumi Electric Co., Ltd.
Isao Okada
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo circuit, digital PLL circuit and optical disk device
Patent number
5,946,279
Issue date
Aug 31, 1999
Mitsumi Electric Co., Ltd.
Isao Okada
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Information
Patent Application
System Clock Generation Circuit
Publication number
20080290916
Publication date
Nov 27, 2008
Isao Okada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Recording pulse generator
Publication number
20040090889
Publication date
May 13, 2004
ROHM CO., LTD.
Isao Okada
H03 - BASIC ELECTRONIC CIRCUITRY