Takashi Tooyama

Follow

Person

Kokubunji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Beam index color television receiver apparatus
- Patent number 4,280,134
- Issue date Jul 21, 1981
- Sony Corporation
- Akira Tooyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Beam index color cathode ray tube
- Patent number 4,223,344
- Issue date Sep 16, 1980
- Sony Corporation
- Takashi Hosono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Beam index color cathode ray tube
- Patent number 4,212,030
- Issue date Jul 8, 1980
- Sony Corporation
- Akira Tooyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE