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Tatsuya Kishii
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Hamamatsu-shi Shizuoka-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Test signal supplying device and semiconductor integrated circuit
Patent number
9,535,102
Issue date
Jan 3, 2017
Yamaha Corporation
Kunito Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Power supply control circuit
Patent number
8,786,370
Issue date
Jul 22, 2014
Yamaha Corporation
Hideyo Haruhana
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Charge pump
Patent number
8,289,071
Issue date
Oct 16, 2012
Yamaha Corporation
Masato Miyazaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Class-D amplifier
Patent number
8,289,075
Issue date
Oct 16, 2012
Yamaha Corporation
Tatsuya Kishii
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Amplifying device
Patent number
8,159,305
Issue date
Apr 17, 2012
Yamaha Corporation
Tatsuya Kishii
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Differential amplifier
Patent number
7,714,653
Issue date
May 11, 2010
Yamaha Corporation
Hirotoshi Tsuchiya
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Offset correcting method, offset correcting circuit, and electronic...
Patent number
7,554,376
Issue date
Jun 30, 2009
Yamaha Corporation
Tatsuya Kishii
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Offset correcting method, offset correcting circuit, and electronic...
Patent number
7,245,169
Issue date
Jul 17, 2007
Yamaha Corporation
Tatsuya Kishii
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Pseudo-stereo circuit
Patent number
6,636,608
Issue date
Oct 21, 2003
Tatsuya Kishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital-to-analog converter with delta-sigma modulation
Patent number
5,977,896
Issue date
Nov 2, 1999
Yamaha Corporation
Takayuki Kohdaka
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Sound field expanding apparatus with improved tone control system
Patent number
5,937,071
Issue date
Aug 10, 1999
Yamaha Corporation
Tatsuya Kishii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Test Signal Supplying Device and Semiconductor Integrated Circuit
Publication number
20130307561
Publication date
Nov 21, 2013
Yamaha Corporation
Kunito TAKAHASHI
G01 - MEASURING TESTING
Information
Patent Application
Power Supply Control Circuit
Publication number
20120313610
Publication date
Dec 13, 2012
Yamaha Corporation
Hideyo HARUHANA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Charge pump
Publication number
20110068856
Publication date
Mar 24, 2011
Yamaha Corporation
Masato Miyazaki
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
Amplifying device
Publication number
20110068866
Publication date
Mar 24, 2011
Yamaha Corporation
Tatsuya Kishii
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Class-D amplifier
Publication number
20110063027
Publication date
Mar 17, 2011
Yamaha Corporation
Tatsuya Kishii
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Differential amplifier
Publication number
20090091386
Publication date
Apr 9, 2009
Yamaha Corporation
Hirotoshi Tsuchiya
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Offset correcting method, offset correcting circuit, and electronic...
Publication number
20070247208
Publication date
Oct 25, 2007
Yamaha Corporation
Tatsuya Kishii
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Offset correcting method, offset correcting circuit, and electronic...
Publication number
20050030081
Publication date
Feb 10, 2005
Yamaha Corporation
Tatsuya Kishii
H03 - BASIC ELECTRONIC CIRCUITRY