Tsunehiro Koyama

Follow

Person

Itami, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Semiconductor integrated circuit device
- Patent number 4,860,065
- Issue date Aug 22, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Tsunehiro Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Bipolar logic circuit
- Patent number 4,841,173
- Issue date Jun 20, 1989
- Mitsubishi Denki Kabushiki Kaisha
- Tsunehiro Koyama
- H03 - BASIC ELECTRONIC CIRCUITRY