SN

Seigo Naitoh

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Cable: 1 patents #530 of 1,086Top 50%
Overall (All Time): #3,845,699 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5095472 Focusing error detecting system for optical head Akihiro Uchino, Hirobumi Ouchi, Shigeru Nakamura 1992-03-10