TT

Tetshuhiko Takahashi

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,820,063 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5196702 Photo-sensor and method for operating the same Kazutaka Tsuji, Tadaaki Hirai, Yukio Takasaki, Haruo Itoh, Kenichi Okajima 1993-03-23