Takashi Matsuzawa

Follow

Person

Musashino, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Self-luminescent light source for liquid crystal display watch
- Patent number 4,285,055
- Issue date Aug 18, 1981
- Hitachi, Ltd.
- Katsumi Takami
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Self-luminescent light source for liquid crystal display watch
- Patent number 4,276,633
- Issue date Jun 30, 1981
- Hitachi, Ltd.
- Katsumi Takami
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...