SF

Seigo Furudate

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,559,970 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7917043 Optical receiver applicable to multiple transmission speed Keiji Tanaka 2011-03-29
7668469 Optical receiver applicable to multiple transmission speed Keiji Tanaka 2010-02-23
6567441 Source follower circuit, laser driving apparatus, semiconductor laser apparatus, current-voltage convertion circuit, and light receiving circuit Eiji Tsumura, Sosaku Sawada, Hiroshi Hara 2003-05-20