Toyomi Obikawa

Follow

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Modem coupling circuit for power-line carrier
- Patent number 7,019,611
- Issue date Mar 28, 2006
- Honda Electron Co., Ltd.
- Takashi Kaku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus and control method therefor
- Patent number 6,002,724
- Issue date Dec 14, 1999
- Fujitsu Limited
- Takashi Kaku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmission apparatus having echo cancellation facility
- Patent number 5,896,420
- Issue date Apr 20, 1999
- Fujitsu Limited
- Takashi Kaku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two-wire full-duplex modem
- Patent number 5,631,923
- Issue date May 20, 1997
- Fujitsu Limited
- Takashi Kaku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Modem coupling circuit for power-line carrier
- Publication number 20040263282
- Publication date Dec 30, 2004
- Takashi Kaku
- H04 - ELECTRIC COMMUNICATION TECHNIQUE