Ryuichiro Kawai

Follow

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Centralized master-slave-communication control system and method wi...
- Patent number 8,433,836
- Issue date Apr 30, 2013
- Sony Corporation
- Isao Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wide frequency range amplifier apparatus
- Patent number 5,432,477
- Issue date Jul 11, 1995
- Sony Corporation
- Seiichi Nishiyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Gain control circuit
- Patent number 4,751,577
- Issue date Jun 14, 1988
- Sony Corporation
- Ryuichiro Kawai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Communication centralized control system and communication centrali...
- Publication number 20110093635
- Publication date Apr 21, 2011
- SONY CORPORATION
- Isao Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE