TK

Takeshi Kamikawa

Sharp Kabushiki Kaisha: 64 patents #104 of 10,731Top 1%
University of California: 8 patents #840 of 18,278Top 5%
Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
Kyocera: 1 patents #2,054 of 3,732Top 60%
📍 Midland School, CA: #23 of 439 inventorsTop 6%
🗺 California: #4,078 of 386,348 inventorsTop 2%
Overall (All Time): #26,714 of 4,157,543Top 1%
73
Patents All Time

Issued Patents All Time

Showing 26–50 of 73 patents

Patent #TitleCo-InventorsDate
8541796 Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device Yoshinobu Kawaguchi 2013-09-24
8456394 Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus Shigetoshi Ito, Mototaka Taneya 2013-06-04
8368095 Nitride semiconductor light emitting device and method of fabricating nitride semiconductor laser device Yoshinobu Kawaguchi 2013-02-05
8368183 Nitride semiconductor device Eiji Yamada, Masahiro Araki 2013-02-05
8368098 Light emitting device and manufacturing method thereof Yoshinobu Kawaguchi 2013-02-05
8367441 Nitride semiconductor light emitting device, method of manufacturing nitride semiconductor light emitting device, and nitride semiconductor transistor device Yoshinobu Kawaguchi 2013-02-05
8344413 Nitride semiconductor wafer, nitride semiconductor chip, and method of manufacture of nitride semiconductor chip Masataka Ohta 2013-01-01
8319235 Nitride semiconductor light-emitting device and method of manufacturing nitride semiconductor light-emitting device Yoshinobu Kawaguchi 2012-11-27
8288794 Nitride semiconductor layers on substrate having ridge portions with inflow prevention walls near engraved regions Eiji Yamada, Masahiro Araki 2012-10-16
8248335 Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus Shigetoshi Ito, Mototaka Taneya 2012-08-21
8129732 Nitride semiconductor light-emitting device and method for fabrication thereof Masahumi Kondou, Yoshinobu Kawaguchi 2012-03-06
8067255 Nitride semiconductor light emitting device, method of manufacturing nitride semiconductor light emitting device, and nitride semiconductor transistor device Yoshinobu Kawaguchi 2011-11-29
8030110 Nitride semiconductor light-emitting device and method for fabrication thereof Eiji Yamada, Masahiro Araki, Yoshika Kaneko 2011-10-04
7968898 Nitride semiconductor light emitting device, method of manufacturing nitride semiconductor light emitting device, and nitride semiconductor transistor device Yoshinobu Kawaguchi 2011-06-28
7970035 Nitride semiconductor laser element and external-cavity semiconductor laser device Yoshinobu Kawaguchi 2011-06-28
7940003 Light emitting device and method of fabricating a light emitting device Yoshinobu Kawaguchi 2011-05-10
7928460 Light emitting element and manufacturing method thereof Toshiyuki Kawakami, Yoshinobu Kawaguchi 2011-04-19
7903708 Nitride semiconductor light-emitting device and method for fabrication thereof Eiji Yamada, Masahiro Araki, Yoshika Kaneko 2011-03-08
7903707 Nitride semiconductor light-emitting device Yoshika Kaneko, Kensaku Motoki 2011-03-08
7903710 Nitride semiconductor light-emitting device Yoshika Kaneko, Kensaku Motoki 2011-03-08
7889161 Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus Shigetoshi Ito, Mototaka Taneya 2011-02-15
7858992 Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatus Yoshihiro Ueta, Teruyoshi Takakura, Yuhzoh Tsuda, Shigetoshi Ito, Takayuki Yuasa +2 more 2010-12-28
7820542 Nitride semiconductor light-emitting device and method for fabrication thereof Masahumi Kondou, Yoshinobu Kawaguchi 2010-10-26
7792169 Nitride semiconductor light emitting device Yoshinobu Kawaguchi 2010-09-07
7792172 Nitride semiconductor laser device Yoshinobu Kawaguchi, Shigetoshi Ito 2010-09-07