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 51–73 of 73 patents

Patent #TitleCo-InventorsDate
7772611 Nitride semiconductor device with depressed portion Eiji Yamada, Masahiro Araki 2010-08-10
7763527 Semiconductor element, semiconductor device, and method for fabrication thereof 2010-07-27
7750363 Nitride semiconductor light-emitting device having an end face coating film and method of manufacturing the same Yoshinobu Kawaguchi 2010-07-06
7709858 Nitride semiconductor light emitting device Yuhzoh Tsuda 2010-05-04
7700963 Nitride semiconductor light-emitting device Teruyoshi Takakura, Shigetoshi Ito 2010-04-20
7701994 Nitride semiconductor light-emitting device and method for fabrication thereof Masahumi Kondou, Yoshinobu Kawaguchi 2010-04-20
7697585 Semiconductor laser diode Ryuichi Sogabe, Yoshinobu Kawaguchi 2010-04-13
7692200 Nitride semiconductor light-emitting device Yoshika Kaneko, Kensaku Motoki 2010-04-06
7691653 Nitride semiconductor laser element and method for manufacturing the same Yoshinobu Kawaguchi 2010-04-06
7633983 Semiconductor laser device Yoshinobu Kawaguchi 2009-12-15
7579627 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 2009-08-25
7529283 Nitride semiconductor laser device and method for fabrication thereof Yoshika Kaneko 2009-05-05
7462882 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 2008-12-09
7410819 Nitride semiconductor light-emitting device and method for producing same Teruyoshi Takakura, Shigetoshi Ito 2008-08-12
7361518 Semiconductor element, semiconductor device, and method for fabrication thereof 2008-04-22
7327770 Nitride semiconductor laser device Tatsuya Ryowa, Masaya Ishida, Yukiko Morishita, Kensaku Motoki 2008-02-05
7199398 Nitride semiconductor light emitting device having electrode electrically separated into at least two regions Tomoki Ono, Shigetoshi Ito, Toshiyuki Okumura, Hirokazu Mouri, Kyoko Matsuda +2 more 2007-04-03
7180487 Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus Shigetoshi Ito, Mototaka Taneya 2007-02-20
7157297 Method for fabrication of semiconductor device Eiji Yamada, Masahiro Araki 2007-01-02
7109049 Method for fabricating a nitride semiconductor light-emitting device Teruyoshi Takakura, Yoshika Kaneko 2006-09-19
6628249 Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus Shigetoshi Ito, Mototaka Taneya 2003-09-30
6603146 Gallium nitride group compound semiconductor light-emitting device Toshio Hata, Taiji Morimoto, Kensaku Yamamoto 2003-08-05
6521998 Electrode structure for nitride III-V compound semiconductor devices Nobuaki Teraguchi 2003-02-18