KK

Koji Katayama

Sumitomo Electric Industries: 45 patents #198 of 21,551Top 1%
PA Panasonic: 31 patents #493 of 21,108Top 3%
TO Tosoh: 11 patents #36 of 1,042Top 4%
Mitsubishi Electric: 7 patents #4,301 of 25,717Top 20%
Canon: 6 patents #8,497 of 19,416Top 45%
NJ Nuvoton Technology Corporation Japan: 6 patents #10 of 222Top 5%
KC Kowa Company: 3 patents #157 of 562Top 30%
SO Sony: 2 patents #12,963 of 25,231Top 55%
NU National University Corporation Chiba University: 1 patents #100 of 320Top 35%
IC Itoki Crebio: 1 patents #7 of 22Top 35%
KD Kddi: 1 patents #215 of 396Top 55%
MK Mitsubishi Denki K.K.: 1 patents #164 of 577Top 30%
MD Mitsubisih Denki: 1 patents #26 of 381Top 7%
FI Fujimi Incorporated: 1 patents #125 of 216Top 60%
📍 Nara, JP: #10 of 2,795 inventorsTop 1%
Overall (All Time): #10,749 of 4,157,543Top 1%
115
Patents All Time

Issued Patents All Time

Showing 76–100 of 115 patents

Patent #TitleCo-InventorsDate
7687822 Light emitting apparatus Youichi Nagai, Makoto Kiyama, Takao Nakamura, Takashi Sakurada, Katsushi Akita +3 more 2010-03-30
7641871 Fine channel device and a chemically operating method for fluid using the device Toru Futami, Tomohiro Ohkawa, Tomoyuki Oikawa, Akira Kawai, Keiichiro Nishizawa 2010-01-05
7560740 Light-emitting device Youichi Nagai, Hiroyuki Kitabayashi 2009-07-14
7547910 Semiconductor light-emitting device and method of manufacturing semiconductor light-emitting device Katsushi Akita, Yusuke Yoshizumi, Takashi Kyono, Hiroyuki Kitabayashi 2009-06-16
7491974 Light-emitting device Youichi Nagai, Hiroyuki Kitabayashi 2009-02-17
7488454 Microchannel structure body Toru Futami 2009-02-10
7423284 Light emitting device, method for making the same, and nitride semiconductor substrate Youichi Nagai, Hiroyuki Kitabayashi 2008-09-09
7338641 Fine channel device, desksize chemical plant and fine particle producing apparatus employing them Akira Kawai, Toru Futami, Shinichi Matsumoto, Tomohiro Ohkawa, Tomoyuki Oikawa +1 more 2008-03-04
7201873 Fine channel device, method for producing the fine channel device and use of the same Tsuyoshi Tanaka, Toshinori Hayashi, Toru Futami, Akira Kawai, Keiichiro Nishizawa 2007-04-10
7202509 Light emitting apparatus Youichi Nagai, Makoto Kiyama, Takao Nakamura, Takashi Sakurada, Katsushi Akita +3 more 2007-04-10
7190004 Light emitting device Youichi Nagai, Makoto Kiyama, Takao Nakamura, Takashi Sakurada, Katsushi Akita +3 more 2007-03-13
7049198 Semiconductor device and method for fabricating the same Koichiro Yuki, Tohru Saitoh, Minoru Kubo, Kiyoshi Ohnaka, Akira Asai 2006-05-23
7042016 Semiconductor optical device, method of forming contact in semiconductor optical device Takao Nakamura, Hiroki Mori 2006-05-09
6903374 Structure of p-electrode at the light-emerging side of light-emitting diode 2005-06-07
6804189 Near field optical recording medium Toshio Inase, Koyata Takahashi, Tatsuo Kawasaki, Kenichi Sekimoto, Toru Futami +1 more 2004-10-12
6791677 Information measuring apparatus using a fine channel device Akira Kawai, Toru Futami, Tomoyuki Oikawa, Keiichiro Nishizawa 2004-09-14
6714499 Flying optical recording/playback head and method for controlling the flying height 2004-03-30
6713790 Semiconductor device and method for fabricating the same Akira Asai, Teruhito Oonishi, Takeshi Takagi, Tohru Saitoh, Yoshihiro Hara +4 more 2004-03-30
6597016 Semiconductor device and method for fabricating the same Koichiro Yuki, Tohru Saitoh, Minoru Kubo, Kiyoshi Ohnaka, Akira Asai 2003-07-22
6506469 Surface-side reproduction type optical recording medium Koyata Takahashi, Keiichiro Nishizawa 2003-01-14
6465273 Method of making ZnSe based light emitting device with in layer using vibration and pressure Hideki Matsubara, Akihiko Saegusa 2002-10-15
6455364 Semiconductor device and method for fabricating the same Akira Asai, Teruhito Oonishi, Takeshi Takagi, Tohru Saitoh, Yoshihiro Hara +4 more 2002-09-24
6420731 Light emitting diode and manufacturing method thereof Hideki Matsubara, Akihiko Saegusa 2002-07-16
6403976 Semiconductor crystal, fabrication method thereof, and semiconductor device Tohru Saitoh, Yoshihiko Kanzawa, Katsuya Nozawa, Gaku Sugahara, Minoru Kubo 2002-06-11
6399993 Semiconductor device and method for fabricating the same Teruhito Ohnishi, Akira Asai, Takeshi Takagi, Tohru Saitoh, Yo Ichikawa +4 more 2002-06-04