Kouji Hirayama

OC Oki Electric Industry Co.: 1 patents #89 of 342Top 30%

📍 Fussa, JP: #8 of 22 inventorsTop 40%

Overall (2005): #156,385 of 245,428Top 65%

Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6900688	Switch circuit	Nobuhiro Tomari	2005-05-31