Yoshihisa Fujioka

Follow

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for emitting and receiving light signals, more particular...
- Patent number 4,633,522
- Issue date Dec 30, 1986
- Sony Corporation
- Koichi Yamamoto
- G02 - OPTICS
Information Patent Grant
Picture display device
- Patent number 4,620,229
- Issue date Oct 28, 1986
- Sony Corporation
- Toshio Amano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE