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Kazuo Yamashita
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Mitaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Interference canceling device
Patent number
6,539,202
Issue date
Mar 25, 2003
Japan Radio Co., Ltd.
Kazuo Yamashita
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Feed-forward amplifier and controller of the same
Patent number
6,489,844
Issue date
Dec 3, 2002
Japan Radio Co., Ltd.
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifier with feedforward loops for rejecting non-linear distortion
Patent number
6,172,560
Issue date
Jan 9, 2001
Japan Radio Co., Ltd.
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High power FET switch
Patent number
5,818,283
Issue date
Oct 6, 1998
Japan Radio Co., Ltd.
Yoshiyuki Tonami
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Composite longitudinal vibration mechanical filter having undesired...
Patent number
5,751,200
Issue date
May 12, 1998
Nihon Musen Kabushiki Kaisha
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Composite longitudinal vibration mechanical filter's method of manu...
Patent number
5,740,595
Issue date
Apr 21, 1998
Nihon Musen Kabushiki Kaisha
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Tunable composite longitudinal vibration mechanical filter manufact...
Patent number
5,528,806
Issue date
Jun 25, 1996
Nihon Musen Kabushiki Kaisha
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Delay detection circuit and low-noise oscillation circuit using the...
Patent number
5,521,557
Issue date
May 28, 1996
Japan Radio Co. Ltd.
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Class AB push-pull drive circuit, drive method therefor and class A...
Patent number
5,497,124
Issue date
Mar 5, 1996
Japan Radio Co., Ltd.
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Programmable frequency dividing apparatus
Patent number
5,195,111
Issue date
Mar 16, 1993
Nihon Musen Kabushiki Kaisha
Nobuyuki Adachi
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Composite longitudinal vibration mechanical filter having central f...
Patent number
5,187,458
Issue date
Feb 16, 1993
Nihon Musen Kabushiki Kaisha
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Frequency dividing circuit capable of varying dividing ratio
Patent number
5,077,764
Issue date
Dec 31, 1991
Japan Radio Co., Ltd.
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Programmable frequency divider
Patent number
5,065,415
Issue date
Nov 12, 1991
Nihon Musen Kabushiki Kaisha
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Slip phase control PLL
Patent number
5,045,813
Issue date
Sep 3, 1991
Nihon Musen Kabushiki Kaisha
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method of manufacturing multilayered printed-wiring-board
Patent number
5,031,308
Issue date
Jul 16, 1991
Japan Radio Co., Ltd.
Kazuo Yamashita
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
Feed-forward amplifier and controller of the same
Publication number
20010015673
Publication date
Aug 23, 2001
Kazuo Yamashita
H03 - BASIC ELECTRONIC CIRCUITRY