ST

Shigetoshi Takayanagi

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,685,483 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4261792 Method for fabrication of semiconductor devices Kazuhiko Tsuji, Takashi Ohzone 1981-04-14
4256513 Photoelectric conversion device Manabu Yoshida, Jun Fukuchi 1981-03-17
4185291 Junction-type field effect transistor and method of making the same Takashi Hirao, Takeshi Onuma, Toshio Sugawa, Kaoru Inoue 1980-01-22