YO

Yoshitaka Okada

HI Hitachi: 1 patents #814 of 2,935Top 30%
Overall (1989): #40,487 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4832430 Optical switch Kunio Tada, Hiroaki Inoue, Hiroyoshi Matsumura 1989-05-23