Inventor

KAWAI RYUICHIRO

JP4 patents

⚠️ This page may combine multiple inventors who share the name “KAWAI RYUICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

2 patents

US5432477AJul 11, 1995

Wide frequency range amplifier apparatus

SONY CORP20 citations89

US4751577AJun 14, 1988

Gain control circuit

SONY CORP6 citations57

MATSUMOTO ISAO

1 patent

US8433836B2Apr 30, 2013

Centralized master-slave-communication control system and method with multi-channel communication on the same line

MATSUMOTO ISAO2 citations60

MITSUBISHI GAS CHEMICAL CO

1 patent

US10610834B2Apr 7, 2020

Asymmetric membrane

MITSUBISHI GAS CHEMICAL CO1 citations56