Tohru Ogawa

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
PLL controller, method of PLL control, and limiter
- Patent number 6,448,861
- Issue date Sep 10, 2002
- Fujitsu Limited
- Noboru Kawada
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Data transmission system having a backup testing facility
- Patent number 5,689,513
- Issue date Nov 18, 1997
- Fujitsu Limited
- Ryoji Okita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic gain control circuit for a demodulation section of a modem
- Patent number 5,448,595
- Issue date Sep 5, 1995
- Fujitsu Limited
- Takashi Kaku
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
System for controlling frequency multiplexing modems
- Patent number 5,345,437
- Issue date Sep 6, 1994
- Fujitsu Limited
- Tohru Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multipoint connected communication system having function of retrai...
- Patent number 5,321,722
- Issue date Jun 14, 1994
- Fujitsu Limited
- Tohru Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PLL controller, method of PLL control, and limiter
- Publication number 20010009391
- Publication date Jul 26, 2001
- Noboru Kawada
- H03 - BASIC ELECTRONIC CIRCUITRY