Koichi Yahagi

Person

Kodaira, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication semiconductor integrated circuit, radio communication...
- Patent number 7,961,821
- Issue date Jun 14, 2011
- Renesas Electronics Corporation
- Toshihito Habuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication semiconductor integrated circuit, radio communication...
- Patent number 7,471,748
- Issue date Dec 30, 2008
- Renesas Technology Corp.
- Toshihito Habuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication semiconductor integrated circuit device and a wireles...
- Patent number 7,386,064
- Issue date Jun 10, 2008
- Renesas Technology Corp.
- Koichi Yahagi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High frequency semiconductor integrated circuit device, wireless el...
- Patent number 7,336,136
- Issue date Feb 26, 2008
- Renesas Technology Corp.
- Koichi Yahagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated circuit for communication
- Patent number 7,333,565
- Issue date Feb 19, 2008
- Renesas Technology Corp.
- Masachika Oono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless communication system
- Patent number 7,162,216
- Issue date Jan 9, 2007
- Renesas Technology Corp.
- Masumi Kasahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High frequency semiconductor integrated circuit device, wireless el...
- Patent number 7,132,900
- Issue date Nov 7, 2006
- Renesas Technology Corp.
- Koichi Yahagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Direct-conversion transmitting circuit and integrated transmitting/...
- Patent number 7,116,950
- Issue date Oct 3, 2006
- Renesas Technology Corp.
- Satoshi Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Wireless communication system
- Patent number 6,714,772
- Issue date Mar 30, 2004
- Renesas Technology Corp.
- Masumi Kasahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SEMICONDUCTOR INTEGRATED CIRCUIT, RADIO COMMUNICATION...
- Publication number 20090080577
- Publication date Mar 26, 2009
- Toshihito Habuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless communication system
- Publication number 20070087716
- Publication date Apr 19, 2007
- Masumi Kasahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
High frequency semiconductor integrated circuit device, wireless el...
- Publication number 20070026834
- Publication date Feb 1, 2007
- Hitachi, Ltd.
- Koichi Yahagi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Direct-conversion transmitting circuit and integrated transmitting/...
- Publication number 20070021076
- Publication date Jan 25, 2007
- Satoshi Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Communication semiconductor integrated circuit device and a wireles...
- Publication number 20050107056
- Publication date May 19, 2005
- Akira Okasaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
High frequency semiconductor integrated circuit device, wireless el...
- Publication number 20050040896
- Publication date Feb 24, 2005
- Koichi Yahagi
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Semiconductor integrated circuit for communication
- Publication number 20050014476
- Publication date Jan 20, 2005
- Masachika Oono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication semiconductor integrated circuit, radio communication...
- Publication number 20040264608
- Publication date Dec 30, 2004
- Toshihito Habuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless communication system
- Publication number 20040162047
- Publication date Aug 19, 2004
- RENESAS TECHNOLOGY CORP.
- Masumi Kasahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Direct-conversion transmitting circuit and integrated transmitting/...
- Publication number 20030092416
- Publication date May 15, 2003
- Satoshi Tanaka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Wireless communication system
- Publication number 20010016476
- Publication date Aug 23, 2001
- Masumi Kasahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Koichi Yahagi

Person

Patents Grantslast 30 patents

Communication semiconductor integrated circuit, radio communication...

Communication semiconductor integrated circuit, radio communication...

Communication semiconductor integrated circuit device and a wireles...

High frequency semiconductor integrated circuit device, wireless el...

Semiconductor integrated circuit for communication

Wireless communication system

High frequency semiconductor integrated circuit device, wireless el...

Direct-conversion transmitting circuit and integrated transmitting/...

Wireless communication system

Patents Applicationslast 30 patents

COMMUNICATION SEMICONDUCTOR INTEGRATED CIRCUIT, RADIO COMMUNICATION...

Wireless communication system

High frequency semiconductor integrated circuit device, wireless el...

Direct-conversion transmitting circuit and integrated transmitting/...

Communication semiconductor integrated circuit device and a wireles...

High frequency semiconductor integrated circuit device, wireless el...

Semiconductor integrated circuit for communication

Communication semiconductor integrated circuit, radio communication...

Wireless communication system

Direct-conversion transmitting circuit and integrated transmitting/...

Wireless communication system