KI

Kazuyuki Iizuka

HC Hitachi Cable: 14 patents #22 of 1,086Top 3%
KC Koha Co.: 6 patents #5 of 58Top 9%
TA Tamura: 6 patents #19 of 193Top 10%
UC Uchiya Thermostat Co.: 2 patents #3 of 11Top 30%
Overall (All Time): #194,626 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
10975497 Light emitting device Mikihiko Uwani, Akira Ito, Hiroyuki Sawano, Kentaro Tone, Hiroaki Sano +1 more 2021-04-13
10526721 Method for growing β-GA2O3-based single crystal Shinya Watanabe, Kei DOIOKA, Haruka Matsubara, Takekazu Masui 2020-01-07
10196756 β-Ga2O3 single-crystal substrate Shinya Watanabe, Kimiyoshi Koshi, Yu Yamaoka, Masaru Takizawa, Takekazu Masui 2019-02-05
9926646 Method for growing B-Ga2O3-based single crystal Shinya Watanabe, Daiki Wakimoto, Kimiyoshi Koshi, Takekazu Masui 2018-03-27
9153648 Semiconductor stacked body, method for manufacturing same, and semiconductor element Shinkuro Sato, Akito Kuramata, Yoshikatsu Morishima 2015-10-06
9059077 Crystal layered structure and method for manufacturing same, and semiconductor element Yoshikatsu Morishima, Shinkuro Sato 2015-06-16
8237180 Light emitting element including center electrode and thin wire electrode extending from periphery of the center electrode Masahiro Arai 2012-08-07
8120046 Light-emitting element Masahiro Arai 2012-02-21
8120051 Semiconductor light emitting element Masahiro Watanabe 2012-02-21
8071992 Semiconductor light-emitting device Nobuaki Kitano, Masahiro Arai 2011-12-06
7884381 Light emitting device and method for fabricating the same including a back surface electrode with an Au alloy Masahiro Arai 2011-02-08
7692203 Semiconductor light emitting device Taichiroo Konno, Masahiro Arai 2010-04-06
7608859 Semiconductor light-emitting device with transparent conductive film Taichiroo Konno, Masahiro Arai 2009-10-27
7569866 Semiconductor light-emitting device Taichiroo Konno, Masahiro Arai 2009-08-04
7535026 Semiconductor light-emitting device with high brightness and low operating voltage Taichiroo Konno, Masahiro Arai 2009-05-19
7449722 Semiconductor light emitting element Taichiroo Konno, Masahiro Arai, Takashi Furuya 2008-11-11
7368759 Semiconductor light-emitting device Masahiro Arai, Taichiroo Konno, Katsuya Akimoto 2008-05-06
7300643 Method for producing hydrogen and apparatus for supplying hydrogen Kiyoshi Otsuka, Sakae Takenaka, Kiyozumi Nakamura 2007-11-27
7294200 Method for producing nitride semiconductor crystal, and nitride semiconductor wafer and nitride semiconductor device Hajime Fujikura 2007-11-13
7230281 Semiconductor light emitting device Masahiro Arai, Taichiroo Konno 2007-06-12
6989287 Method for producing nitride semiconductor, semiconductor wafer and semiconductor device Hajime Fujikura 2006-01-24
6869585 Method and apparatus for supplying hydrogen and portable cassette for supplying hydrogen Kiyoshi Otsuka, Kiyozumi Nakamura 2005-03-22