IT

Ichiro Tonai

Sumitomo Electric Industries: 4 patents #65 of 1,892Top 4%
Overall (1994): #6,045 of 165,921Top 4%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5365101 Photo-sensing device 1994-11-15
5345074 Semiconductor light source Yoshiki Kuhara 1994-09-06
5345075 Semiconductor photodetector with dielectric shielding Yoshiki Kuhara 1994-09-06
5304824 Photo-sensing device 1994-04-19