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Kazuo KOYAMA
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Successive-approximation type AD converter and pipeline type AD con...
Patent number
10,833,696
Issue date
Nov 10, 2020
Asahi Kasei Microdevices Corporation
Kazuo Koyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
IBOC broadcast receiver
Patent number
8,891,683
Issue date
Nov 18, 2014
Clarion Co., Ltd.
Naoki Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Amplifier circuit
Patent number
8,766,715
Issue date
Jul 1, 2014
Asahi Kasei Microdevices Corporation
Kazuo Koyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Single-differential converting circuit
Patent number
8,497,739
Issue date
Jul 30, 2013
Asahi Kasei Microdevices Corporation
Kazuo Koyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
IBOC broadcasting receiver
Patent number
8,265,585
Issue date
Sep 11, 2012
Clarion Co., Ltd.
Kazuyoshi Inako
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Broadcast receiver and broadcast channel seek method
Patent number
8,121,566
Issue date
Feb 21, 2012
Clarion Co., Ltd.
Masanori Ishida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio broadcasting receiver and method for seeking radio broadcasting
Patent number
8,086,198
Issue date
Dec 27, 2011
Clarion Co., Ltd.
Kazuo Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio receiver for locating the strongest signal carrying a selecte...
Patent number
5,493,711
Issue date
Feb 20, 1996
Clarion Co., Ltd.
Kazuo Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Scanning receiver with stored frequencies
Patent number
5,457,816
Issue date
Oct 10, 1995
Clarion Co., Ltd.
Kazuo Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
RDS system radio
Patent number
4,881,273
Issue date
Nov 14, 1989
Clarion Co., Ltd.
Kazuo Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SUCCESSIVE-APPROXIMATION TYPE AD CONVERTER AND PIPELINE TYPE AD CON...
Publication number
20200358451
Publication date
Nov 12, 2020
ASAHI KASEI MICRODEVICES CORPORATION
Kazuo KOYAMA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
AMPLIFIER CIRCUIT
Publication number
20120229205
Publication date
Sep 13, 2012
Kazuo Koyama
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Single-Differential Converting Circuit
Publication number
20120062319
Publication date
Mar 15, 2012
Kazuo KOYAMA
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
IBOC BROADCAST RECEIVER
Publication number
20110128996
Publication date
Jun 2, 2011
Clarion Co., Ltd.
Naoki Nakajima
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
RADIO BROADCASTING RECEIVER AND METHOD FOR SEEKING RADIO BROADCASTING
Publication number
20100227579
Publication date
Sep 9, 2010
Kazuo Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BROADCAST RECEIVER AND BROADCAST CHANNEL SEEK METHOD
Publication number
20100210228
Publication date
Aug 19, 2010
Masanori Ishida
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IBOC broadcasting receiver
Publication number
20100210229
Publication date
Aug 19, 2010
Kazuyoshi Inako
H04 - ELECTRIC COMMUNICATION TECHNIQUE