TK

Tetsuya Kumano

Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #820,283 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
11539188 Surface emitting laser and method of manufacturing the same 2022-12-27
10601200 Optical module Yohei Enya, Hiromi Nakanishi 2020-03-24
10333270 Optical module and method for manufacturing the optical module Takashi Kyono, Hideyuki Ijiri, Takao Nakamura, Hiromi Nakanishi, Takatoshi Ikegami +2 more 2019-06-25
9806494 Optical module and method for manufacturing the optical module Takashi Kyono, Hideyuki Ijiri, Takao Nakamura, Hiromi Nakanishi, Takatoshi Ikegami +2 more 2017-10-31
9231375 Semiconductor device Kunihiko Tasai, Hiroshi Nakajima, Noriyuki Futagawa, Katsunori Yanashima, Yohei Enya +1 more 2016-01-05
8477818 Gallium nitride-based semiconductor laser device, and method for fabricating gallium nitride-based semiconductor laser device Masaki Ueno, Takashi Kyono, Yohei Enya, Katsunori Yanashima, Kunihiko Tasai +1 more 2013-07-02