Kazuhiko Seki

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Reception frequency control circuit
- Patent number 8,204,162
- Issue date Jun 19, 2012
- Lapis Semiconductor Co., Ltd.
- Kazuhiko Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for improving voice signal in quality
- Patent number 6,914,940
- Issue date Jul 5, 2005
- Uniden Corporation
- Masato Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for improving voice signal in quality
- Patent number 6,889,184
- Issue date May 3, 2005
- Uniden Corporation
- Masato Tanaka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Receiver and method for demodulating reception signals
- Patent number 6,266,521
- Issue date Jul 24, 2001
- Uniden Corporation
- Tadayuki Hattori
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Scheduled data Transmission system, scheduled data transmission met...
- Patent number 6,263,201
- Issue date Jul 17, 2001
- Uniden Corporation
- Hideki Hashimoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spread spectrum transmitter, spread spectrum receiver and spread sp...
- Patent number 6,160,838
- Issue date Dec 12, 2000
- Uniden Corporation
- Yoshinori Shinohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio communication system
- Patent number 6,084,861
- Issue date Jul 4, 2000
- Uniden Corporation
- Shuzo Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitting device, receiving device, packet transmission system a...
- Patent number 6,061,366
- Issue date May 9, 2000
- Uniden Corporation
- Kazuhiko Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data collection system
- Patent number 6,021,137
- Issue date Feb 1, 2000
- Uniden Corporation
- Shuzo Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Decoding apparatus and decoding method
- Patent number 6,012,158
- Issue date Jan 4, 2000
- Uniden Corporation
- Yasuhiro Kurita
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital quadrature detection circuit
- Patent number 5,974,096
- Issue date Oct 26, 1999
- Pacific Communications Research Corporation
- Kazuhiko Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitter, receiver, communication system, and communication meth...
- Patent number 5,859,875
- Issue date Jan 12, 1999
- Uniden Corporation
- Hideki Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
RECEPTION FREQUENCY CONTROL CIRCUIT
- Publication number 20090086856
- Publication date Apr 2, 2009
- Oki Electric Industry Co., Ltd.
- Kazuhiko Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless voice communication circuit
- Publication number 20080170642
- Publication date Jul 17, 2008
- Oki Electric Industry Co., Ltd.
- Kazuhiko Seki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Relay apparatus and routing method
- Publication number 20080123639
- Publication date May 29, 2008
- Shiro Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Maintenance apparatus, IP telephone system, and maintenance data tr...
- Publication number 20080123535
- Publication date May 29, 2008
- Shiro Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Terminal apparatus and control method thereof
- Publication number 20080037758
- Publication date Feb 14, 2008
- Shiro Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Maintenance device, terminal device and IP telephone system
- Publication number 20070258435
- Publication date Nov 8, 2007
- Shiro Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Gateway device and control method thereof
- Publication number 20070223447
- Publication date Sep 27, 2007
- Shiro Saito
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Device for improving voice signal in quality
- Publication number 20020019960
- Publication date Feb 14, 2002
- Uniden Corporation
- Masato Tanaka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Kazuhiko Seki

Person

Patents Grantslast 30 patents

Reception frequency control circuit

Device for improving voice signal in quality

Device for improving voice signal in quality

Receiver and method for demodulating reception signals

Scheduled data Transmission system, scheduled data transmission met...

Spread spectrum transmitter, spread spectrum receiver and spread sp...

Radio communication system

Transmitting device, receiving device, packet transmission system a...

Data collection system

Decoding apparatus and decoding method

Digital quadrature detection circuit

Transmitter, receiver, communication system, and communication meth...

Patents Applicationslast 30 patents

RECEPTION FREQUENCY CONTROL CIRCUIT

Wireless voice communication circuit

Relay apparatus and routing method

Maintenance apparatus, IP telephone system, and maintenance data tr...

Terminal apparatus and control method thereof

Maintenance device, terminal device and IP telephone system

Gateway device and control method thereof

Device for improving voice signal in quality