Eiichi Sugihara

Follow

Person

Zushi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Filter for CRT screen
- Patent number 4,839,736
- Issue date Jun 13, 1989
- Mitsui Toatsu Chemicals, Inc.
- Eiichi Sugihara
- H01 - BASIC ELECTRIC ELEMENTS