YK

Yasuo Kitaoka

Sumitomo Electric Industries: 60 patents #113 of 21,551Top 1%
PA Panasonic: 16 patents #1,398 of 21,108Top 7%
UN Unknown: 11 patents #718 of 83,584Top 1%
OU Osaka University: 5 patents #121 of 1,984Top 7%
NI Ngk Insulators: 4 patents #658 of 2,083Top 35%
TC Toyoda Gosei Co.: 2 patents #900 of 2,296Top 40%
Ricoh Company: 2 patents #5,693 of 9,818Top 60%
YE Yokogawa Electric: 1 patents #658 of 1,441Top 50%
Overall (All Time): #20,717 of 4,157,543Top 1%
84
Patents All Time

Issued Patents All Time

Showing 1–25 of 84 patents

Patent #TitleCo-InventorsDate
9096950 Nitride crystal and method for producing the same Takashi Satoh, Seiji Sarayama, Hirokazu Iwata, Yusuke Mori 2015-08-04
8574361 Group-III element nitride crystal producing method and group-III element nitride crystal Osamu Yamada, Hisashi Minemoto, Kouichi Hiranaka, Takeshi Hatakeyama, Takatomo Sasaki +2 more 2013-11-05
8568532 Method for growing single crystal of group III metal nitride and reaction vessel for use in same Makoto Iwai, Shuhei Higashihara, Yusuke Mori, Naoya Miyoshi 2013-10-29
8506705 Method for manufacturing nitride single crystal Mikiya Ichimura, Katsuhiro Imai, Makoto Iwai, Takatomo Sasaki, Yusuke Mori +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
8501141 Method for producing group III nitride semiconductor Takayuki Sato, Seiji Nagai, Makoto Iwai, Shuhei Higashihara, Yusuke Mori 2013-08-06
8317333 Method and device for converting an emission beam from a laser light source into 2-dimensional light Kenichi Kasazumi, Kiminori Mizuuchi, Kazuhisa Yamamoto 2012-11-27
8231726 Semiconductor light emitting element, group III nitride semiconductor substrate and method for manufacturing such group III nitride semiconductor substrate Hisashi Minemoto, Yasutoshi Kawaguchi, Yasuhito Takahashi, Yoshiaki Hasegawa 2012-07-31
8187507 GaN crystal producing method, GaN crystal, GaN crystal substrate, semiconductor device and GaN crystal producing apparatus Yusuke Mori, Takatomo Sasaki, Fumio Kawamura, Masashi Yoshimura, Minoru Kawahara +1 more 2012-05-29
8018134 Light source, optical pickup, and electronic apparatus Isao Kidoguchi, Hiroyoshi Yajima, Keiji Ito, Akihiko Ishibashi, Yoshiaki Hasegawa +1 more 2011-09-13
8016428 2-dimensional image display device or illumination device for obtaining uniform illumination and suppressing speckle noise Kenichi Kasazumi, Kiminori Mizuuchi, Kazuhisa Yamamoto 2011-09-13
7948469 Image display device and image display system Kazuhisa Yamamoto, Hiromu Kitaura, Ken ichi Kasazumi 2011-05-24
7855823 Acoustooptic device and optical imaging apparatus using the same Hisashi Minemoto, Isao Kidoguchi, Takayuki Negami, Yasuhito Takahashi, Toshimi Nishiyama +1 more 2010-12-21
7830357 Image display device and image display system Kazuhisa Yamamoto, Hiromu Kitaura, Ken ichi Kasazumi 2010-11-09
7794539 Method for producing III group element nitride crystal, production apparatus for use therein, and semiconductor element produced thereby Hisashi Minemoto, Isao Kidoguchi, Yusuke Mori, Fumio Kawamura, Takatomo Sasaki +1 more 2010-09-14
7754012 Apparatus for production of crystal of group III element nitride and process for producing crystal of group III element nitride Hisashi Minemoto, Isao Kidoguchi, Yusuke Mori, Fumio Kawamura, Takatomo Sasaki +2 more 2010-07-13
7749921 Semiconductor element, method for manufacturing the semiconductor element, electronic device and method for manufacturing the electronic device Norihisa Mino, Takayuki Takeuchi 2010-07-06
7623559 Optical device, laser beam source, laser apparatus and method of producing optical device Kazuhisa Yamamoto, Kiminori Mizuuchi, Makoto Kato 2009-11-24
7570677 Optical device, laser beam source, laser apparatus and method of producing optical device Kazuhisa Yamamoto, Kiminori Mizuuchi, Makoto Kato 2009-08-04
7551654 Coherent light source and optical system Kiminori Mizuuchi, Kazuhisa Yamamoto, Ken'ichi Kasazumi, Isao Kidoguchi 2009-06-23
7524691 Method of manufacturing group III nitride substrate Hisashi Minemoto, Isao Kidoguchi, Akihiko Ishibashi 2009-04-28
7494286 Laser module and method for manufacturing the same Akihiro Morikawa, Toshifumi Yokoyama, Kazuhisa Yamamoto 2009-02-24
7459697 Fluorescence measuring equipment Kazuhisa Yamamoto 2008-12-02
7435295 Method for producing compound single crystal and production apparatus for use therein Hisashi Minemoto, Isao Kidoguchi, Yasuhito Takahashi, Takatomo Sasaki, Yusuke Mori +1 more 2008-10-14
7427522 Short-wavelength laser module and method of producing the same Akihiro Morikawa, Kazuhisa Yamamoto, Shinichi Takigawa 2008-09-23