YK

Yuuji Kakegawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HS Hitachi Tohbu Semiconductor: 1 patents #126 of 223Top 60%
Overall (All Time): #3,958,276 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4768070 Optoelectronics device Yasushi Takizawa, Atsushi Sasayama, Yoshihiko Kobayashi, Yukio Takahashi 1988-08-30