Sumitaka Matsumura

Follow

Person

Tokorozawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fully digitized video signal reproducing apparatus
- Patent number 4,736,238
- Issue date Apr 5, 1988
- Pioneer Electronic Corporation
- Yoshiaki Moriyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
FM detector with improved distortion and gain characteristics
- Patent number 4,656,432
- Issue date Apr 7, 1987
- Pioneer Electronic Corporation
- Sumitaka Matsumura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Interactive CATV system
- Patent number 4,245,245
- Issue date Jan 13, 1981
- Pioneer Electronic Corporation
- Katsuaki Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE