TT

Takashi Tsubota

OC Oki Electric Industry Co.: 5 patents #405 of 2,807Top 15%
SC Shinko Electric Industries Co.: 3 patents #234 of 723Top 35%
YE Yokogawa Electric: 2 patents #398 of 1,441Top 30%
Overall (All Time): #507,419 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10298174 Photoelectric conversion element evaluation apparatus Akishige Ito, Masato Ishikawa, Yoshinori Matsumoto 2019-05-21
9541493 Inspection apparatus using polarized lights Yoshinori Matsumoto, Toyoaki Hamaguchi, Akishige Ito 2017-01-10
8208268 Semiconductor apparatus Atsunori Kajiki, Sadakazu Akaike, Norio Yamanishi 2012-06-26
7911042 Package having shield case Yuya Yoshino, Akinobu Inoue, Atsunori Kajiki, Sadakazu Akaike, Norio Yamanishi 2011-03-22
7261596 Shielded semiconductor device Sadakazu Akaike, Akinobu Inoue, Atsunori Kajiki, Hiroyuki Takatsu, Norio Yamanishi 2007-08-28
6226309 Semiconductor laser and light source 2001-05-01
5067809 Opto-semiconductor device and method of fabrication of the same 1991-11-26
5048039 Laser diode Yoji Hosoi 1991-09-10
5034955 Superluminescent diode Yasumasa Kashima, Masao Kobayashi, Yoji Hosoi 1991-07-23
4975752 Light-emitting diode Yasumasa Kashima, Masao Kobayashi 1990-12-04