Tsunehiro Koyama

Mitsubishi Electric: 2 patents #192 of 1,307Top 15%

📍 Kasai, JP: #42 of 394 inventorsTop 15%

Overall (1989): #13,790 of 140,708Top 10%

Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4860065	Semiconductor integrated circuit device	—	1989-08-22
4841173	Bipolar logic circuit	—	1989-06-20