KA

Katsushi Akita

Sumitomo Electric Industries: 13 patents #2 of 397Top 1%
RI Riken: 2 patents #9 of 163Top 6%
📍 Itami, JP: #1 of 149 inventorsTop 1%
Overall (2011): #1,882 of 364,097Top 1%
13
Patents 2011

Issued Patents 2011

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
8071986 Nitride semiconductor light-emitting element Takashi Kyono, Hideki Hirayama 2011-12-06
8067257 Nitride based semiconductor optical device, epitaxial wafer for nitride based semiconductor optical device, and method of fabricating semiconductor light-emitting device Masaki Ueno, Yohei Enya, Takashi Kyono, Yusuke Yoshizumi, Takamichi Sumitomo +1 more 2011-11-29
8053806 Group III nitride semiconductor device and epitaxial substrate Takashi Kyono, Yusuke Yoshizumi, Yohei Enya, Masaki Ueno, Takamichi Sumitomo +1 more 2011-11-08
8048702 Method of fabricating nitride-based semiconductor optical device Yohei Enya, Yusuke Yoshizumi, Masaki Ueno, Takashi Kyono 2011-11-01
7973322 Nitride semiconductor light emitting device and method for forming the same Takashi Kyono, Keiji Ishibashi, Hitoshi Kasai 2011-07-05
7968864 Group-III nitride light-emitting device Hitoshi Kasai, Takashi Kyono, Kensaku Motoki 2011-06-28
7955881 Method of fabricating quantum well structure Takamichi Sumitomo, Yohei Enya, Takashi Kyono, Masaki Ueno 2011-06-07
7949026 Group III nitride semiconductor laser Takashi Kyono, Yusuke Yoshizumi 2011-05-24
7943943 Light-emitting device and manufacturing method thereof Hideki Hirayama, Takao Nakamura 2011-05-17
7939354 Method of fabricating nitride semiconductor laser Takashi Kyono, Yusuke Yoshizumi 2011-05-10
7933303 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Yusuke Yoshizumi, Yohei Enya, Takashi Kyono, Masahiro Adachi, Masaki Ueno +5 more 2011-04-26
7915635 Semiconductor light-emitting element and substrate used in formation of the same Hitoshi Kasai, Yoshiki Miura, Kensaku Motoki 2011-03-29
7884351 Nitride semiconductor light-emitting device Takashi Kyono, Yusuke Yoshizumi 2011-02-08