Hiroshi Matsushima

Follow

Person

Neyagawa, JA

People

Patents Grantslast 30 patents

Information Patent Grant
Phase locked loop circuit
- Patent number 4,027,274
- Issue date May 31, 1977
- Matsushita Electric Industrial Co., Ltd.
- Kiyotake Fukui
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multichannel record disc recording system with signal level control
- Patent number 4,016,374
- Issue date Apr 5, 1977
- Matsushita Electric Industrial Co., Ltd.
- Yukinobu Ishigaki
- G11 - INFORMATION STORAGE