Koichi Kumazawa

Follow

Person

Mine, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Package comprising a composite metal body brought into contact with...
- Patent number 4,680,618
- Issue date Jul 14, 1987
- Narumi China Corporation
- Toshio Kuroda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Luminescent display panel comprising a sealing mass for eliminating...
- Patent number 4,100,456
- Issue date Jul 11, 1978
- Nippon Electric Kagoshima, Ltd.
- Masaki Kobayakawa
- H01 - BASIC ELECTRIC ELEMENTS