TS

Toshihiko Sano

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,667,441 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4916580 Back-light device Soichiro Ogawa 1990-04-10
4803399 Fluorescent lamp arrangement for uniformly illuminating a display panel Soichiro Ogawa 1989-02-07
4766524 Back light device for uniformly illuminating a liquid crystal display plate Soichiro Ogawa, Takao Shimizu 1988-08-23