KY

Kenichi Yamakawa

YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%
Overall (All Time): #3,928,391 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4832487 Test system for optical disks Kenta Mikuriya, Masuo Hanawaka, Akira Ohya, Hideo Hirukawa, Shoji Uehara 1989-05-23