HM

Hideki Matsubara

Sumitomo Electric Industries: 20 patents #1,058 of 21,551Top 5%
Rohm Co.: 5 patents #568 of 2,292Top 25%
Ngk Spark Plug Co.: 2 patents #703 of 1,594Top 45%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
📍 Kyoto, JP: #71 of 140 inventorsTop 55%
Overall (All Time): #153,781 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
10923297 Switch monitoring device, switch state detection circuit, and a vehicle-mounted switch system Hiroyoshi Ishida, Hiroki Yamakami 2021-02-16
9543084 Switch state detection circuit and switch system Tomoki Yamamoto, Satoru Kominami 2017-01-10
9461460 Circuit control device, circuit system, switch state detection circuit and vehicle Tomoki Yamamoto, Satoru Kominami 2016-10-04
8962365 Method of manufacturing GaN-based film and composite substrate used therefor Issei Satoh, Yuki Seki, Koji Uematsu, Yoshiyuki Yamamoto, Shinsuke Fujiwara +1 more 2015-02-24
8697550 Method of manufacturing GaN-based film Issei Satoh, Yuki Seki, Koji Uematsu, Yoshiyuki Yamamoto, Shinsuke Fujiwara +1 more 2014-04-15
8633087 Method of manufacturing GaN-based semiconductor device Kuniaki Ishihara 2014-01-21
8605769 Semiconductor laser device and manufacturing method thereof Susumu Yoshimoto, Hirohisa Saitou, Takashi Misaki, Fumitake Nakanishi, Hiroki Mori 2013-12-10
8274088 Surface-emitting laser element, fabrication method thereof, surface-emitting laser array, and fabrication method thereof Hirohisa Saito, Fumitake Nakanishi, Shinji Matsukawa 2012-09-25
8235603 Optoelectric conversion module, method for assembling same, and optoelectric information processor using same Mitsuaki Tamura, Wataru Sakurai, Hideaki Toshioka, Kyouichirou Nakatsugi, Masahiro Adachi +1 more 2012-08-07
8155163 Photonic crystal laser and method of manufacturing photonic crystal laser Hirohisa Saito 2012-04-10
8012780 Method of fabricating semiconductor laser Susumu Yoshimoto 2011-09-06
6876003 Semiconductor light-emitting device, method of manufacturing transparent conductor film and method of manufacturing compound semiconductor light-emitting device Takao Nakamura 2005-04-05
6872649 Method of manufacturing transparent conductor film and compound semiconductor light-emitting device with the film Takao Nakamura 2005-03-29
6741029 Light emission apparatus and method of fabricating the same Toshihiko Takebe, Hiroki Ishinaga, Mamoru Maegawa 2004-05-25
6642547 Light emitting device Toshihiko Takebe, Hiroki Ishinaga, Mamoru Maegawa 2003-11-04
6509651 Substrate-fluorescent LED Toshihiko Takebe, Kensaku Motoki 2003-01-21
6465273 Method of making ZnSe based light emitting device with in layer using vibration and pressure Koji Katayama, Akihiko Saegusa 2002-10-15
6420731 Light emitting diode and manufacturing method thereof Koji Katayama, Akihiko Saegusa 2002-07-16
6348140 Gas sensor with a high combined resistance to lead wire resistance ratio Noboru Matsui, Nobuhiro Hayakawa 2002-02-19
6337536 White color light emitting diode and neutral color light emitting diode Koji Katayama, Toshihiko Takebe 2002-01-08
5864573 Epitaxial wafer and compound semiconductor light emitting device, and method of fabricating the same Yoshiki Miura, Hisashi Seki, Akinori Koukitu 1999-01-26
5843590 Epitaxial wafer and method of preparing the same Yoshiki Miura, Keiichiro Fujita, Kikurou Takemoto, Masato Matsushima, Shigenori Takagishi +2 more 1998-12-01
5756374 Compound semiconductor light emitting device and method of preparing the same Yoshiki Miura, Masato Matsushima, Hisashi Seki, Akinori Koukitu 1998-05-26
5665986 Compound semiconductor light emitting device and method of preparing the same Yoshiki Miura, Masato Matsushima, Hisashi Seki, Akinori Koukitu 1997-09-09
5589429 Aluminum nitride sintered body and process for producing the same Kenzo Kawaguchi, Tetsuya Takemura, Sinya Takagi, Atsushi Kanda 1996-12-31