Ryuji Ishii

Follow

Person

Kamakura, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Antenna system
- Patent number 4,994,813
- Issue date Feb 19, 1991
- Mitsubishi Denki Kabushiki Denki
- Kuniaki Shiramatsu
- H01 - BASIC ELECTRIC ELEMENTS