KI

Katsuhiro Imai

NI Ngk Insulators: 55 patents #22 of 2,083Top 2%
TC Toyoda Gosei Co.: 6 patents #376 of 2,296Top 20%
OU Osaka University: 6 patents #92 of 1,984Top 5%
SE Seiko Epson: 5 patents #2,973 of 7,774Top 40%
ED Epson Imaging Devices: 3 patents #24 of 141Top 20%
SO Sony: 2 patents #12,963 of 25,231Top 55%
NC Nippon Zeon Co.: 2 patents #188 of 609Top 35%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%
Overall (All Time): #30,888 of 4,157,543Top 1%
68
Patents All Time

Issued Patents All Time

Showing 26–50 of 68 patents

Patent #TitleCo-InventorsDate
9548418 Gallium nitride self-supported substrate, light-emitting device and manufacturing method therefor Morimichi Watanabe, Jun Yoshikawa, Tsutomu Nanataki, Tomohiko Sugiyama, Takashi Yoshino +2 more 2017-01-17
9327994 Zinc oxide powder and process for manufacturing same Jun Yoshikawa, Koichi Kondo 2016-05-03
9318307 Zinc oxide sputtering target and method for producing same Jun Yoshikawa, Koichi Kondo 2016-04-19
9312446 Gallium nitride self-supported substrate, light-emitting device and manufacturing method therefor Morimichi Watanabe, Jun Yoshikawa, Tsutomu Nanataki, Tomohiko Sugiyama, Takashi Yoshino +2 more 2016-04-12
9290861 Group 13 nitride crystal with stepped surface Takayuki Hirao, Takanao Shimodaira 2016-03-22
9287453 Composite substrates and functional device Makoto Iwai, Masahiro Sakai 2016-03-15
8999059 Process for producing a nitride single crystal and apparatus therefor Makoto Iwai, Takanao Shimodaira, Takatomo Sasaki, Yusuke Mori, Fumio Kawamura 2015-04-07
8795431 Method for producing gallium nitride layer and seed crystal substrate used in same Makota Iwai, Takanao Shimodaira, Masahiro Sakai, Shuhei Higashihara, Takayuki Hirao 2014-08-05
8729672 Method for growing group 13 nitride crystal and group 13 nitride crystal Takanao Shimodaira, Takayuki Hirao 2014-05-20
8506705 Method for manufacturing nitride single crystal Mikiya Ichimura, Makoto Iwai, Takatomo Sasaki, Yusuke Mori, Fumio Kawamura +1 more 2013-08-13
8507364 N-type group III nitride-based compound semiconductor and production method therefor Seiji Nagai, Shiro Yamazaki, Yasuhide Yakushi, Takayuki Sato, Makoto Iwai +2 more 2013-08-13
8486190 Process for producing single crystal Makoto Iwai, Takatomo Sasaki, Yusuke Mori, Fumio Kawamura 2013-07-16
8440017 Method for growing group 13 nitride crystal and group 13 nitride crystal Takanao Shimodaira, Takayuki Hirao 2013-05-14
8361222 Method for producing group III nitride-based compound semiconductor Shiro Yamazaki, Seiji Nagai, Takayuki Sato, Makoto Iwai, Takatomo Sasaki +2 more 2013-01-29
8241422 Gallium nitride single crystal growing method and gallium nitride single crystal Makoto Iwai, Minoru Imaeda 2012-08-14
8216365 Method for producing a semiconductor crystal Seiji Nagai, Shiro Yamazaki, Takayuki Sato, Makoto Iwai, Takatomo Sasaki +2 more 2012-07-10
8154675 Liquid crystal display panel and method for manufacturing the same Kanechika KIYOSE, Kennosuke Kakehi, Satoshi Taguchi 2012-04-10
8084281 Semiconductor substrate, electronic device, optical device, and production methods therefor Naoki Shibata, Koji Hirata, Shiro Yamazaki, Makoto Iwai, Takatomo Sasaki +2 more 2011-12-27
8068202 Liquid crystal device Norihito Harada 2011-11-29
8025728 Method for manufacturing single crystal of nitride Mikiya Ichimura, Chikashi Ihara, Takatomo Sasaki, Yusuke Mori, Fumio Kawamura 2011-09-27
7988784 Method for manufacturing III metal nitride single crystal Takayuki Hirao, Mikiya Ichimura 2011-08-02
7839471 Transflective liquid crystal device having a wire serpentinely bypassing a light-shielding layer in an interpixel region Mutsumi Matsuo, Tomohiko Kojima, Yoshio Yamaguchi 2010-11-23
7815733 Method for producing hexagonal boron nitride single crystal and hexagonal boron nitride single crystal Makoto Iwai, Takatomo Sasaki, Fumio Kawamura, Minoru Kawahara, Hiroaki Isobe 2010-10-19
7708833 Crystal growing apparatus Shiro Yamazaki, Koji Hirata, Takayuki Sato, Seiji Nagai, Makoto Iwai +4 more 2010-05-04
7670430 Method of recovering sodium metal from flux Mikiya Ichimura 2010-03-02