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 51–75 of 115 patents

Patent #TitleCo-InventorsDate
8445319 Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using the nonvolatile memory element Yoshihiko Kanzawa, Satoru Fujii, Shunsaku Muraoka, Koichi Osano, Satoru Mitani +3 more 2013-05-21
8445885 Nonvolatile memory element having a thin platinum containing electrode Yoshihiko Kanzawa, Satoru Mitani, Zhiqiang Wei, Takeshi Takagi 2013-05-21
8420419 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Shimpei Takagi, Yusuke Yoshizumi, Masaki Ueno, Takatoshi Ikegami 2013-04-16
8415707 Group III nitride semiconductor device Shinji Tokuyama, Masaki Ueno, Masahiro Adachi, Takashi Kyono, Takamichi Sumitomo +1 more 2013-04-09
8401048 Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device Shimpei Takagi, Yusuke Yoshizumi, Masaki Ueno, Takatoshi Ikegami 2013-03-19
8395930 Method of programming variable resistance element and nonvolatile storage device Shunsaku Muraoka, Takeshi Takagi, Satoru Mitani 2013-03-12
8389312 Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device Yusuke Yoshizumi, Shimpei Takagi, Takatoshi Ikegami, Masaki Ueno 2013-03-05
8361885 Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and method of estimating damage from formation of scribe groove Yusuke Yoshizumi, Shimpei Takagi, Takatoshi Ikegami, Masaki Ueno 2013-01-29
8345465 Driving method of variable resistance element, initialization method of variable resistance element, and nonvolatile storage device Shunsaku Muraoka, Takeshi Takagi, Satoru Mitani 2013-01-01
8309946 Resistance variable element Satoru Mitani, Shunsaku Muraoka, Yoshihiko Kanzawa, Ryoko Miyanaga, Satoru Fujii +1 more 2012-11-13
8306082 Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device Yusuke Yoshizumi, Yohei Enya, Takashi Kyono, Masahiro Adachi, Katsushi Akita +5 more 2012-11-06
8279658 Method of programming variable resistance element and nonvolatile storage device Shunsaku Muraoka, Takeshi Takagi, Satoru Mitani 2012-10-02
8264865 Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor device incorporating nonvolatile memory element Satoru Mitani, Yoshihiko Kanzawa, Takeshi Takagi 2012-09-11
8265113 Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device Yusuke Yoshizumi, Shimpei Takagi, Takatoshi Ikegami, Masaki Ueno 2012-09-11
8227277 Group-III nitride semiconductor laser device, and method of fabricating group-III nitride semiconductor laser device Yusuke Yoshizumi, Yohei Enya, Takashi Kyono, Masahiro Adachi, Katsushi Akita +5 more 2012-07-24
8227279 Manufacturing method of a semiconductor element Hiroyuki Kitabayashi, Satoshi Arakawa 2012-07-24
8213475 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Shimpei Takagi, Yusuke Yoshizumi, Masaki Ueno, Takatoshi Ikegami 2012-07-03
8175129 Group-III nitride semiconductor laser device, method of fabricating group-III nitride semiconductor laser device, and method of estimating damage from formation of scribe groove Yusuke Yoshizumi, Shimpei Takagi, Takatoshi Ikegami, Masaki Ueno 2012-05-08
8139619 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Shimpei Takagi, Yusuke Yoshizumi, Masaki Ueno, Takatoshi Ikegami 2012-03-20
8105857 Method of fabricating group-III nitride semiconductor laser device Shimpei Takagi, Yusuke Yoshizumi, Masaki Ueno, Takatoshi Ikegami 2012-01-31
8076167 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Shimpei Takagi, Yusuke Yoshizumi, Masaki Ueno, Takatoshi Ikegami 2011-12-13
8071405 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Shimpei Takagi, Yusuke Yoshizumi, Masaki Ueno, Takatoshi Ikegami 2011-12-06
8022502 Nonvolatile memory element, manufacturing method thereof, and nonvolatile semiconductor apparatus using the nonvolatile memory element Yoshihiko Kanzawa, Satoru Fujii, Shunsaku Muraoka, Koichi Osano, Satoru Mitani +3 more 2011-09-20
7970618 Content distribution server for distributing content frame for reproducing music and terminal Shigeyuki Sakazawa, Koichi Takagi, Hiroshi Mitsuhashi 2011-06-28
7933303 Group-III nitride semiconductor laser device, and method for fabricating group-III nitride semiconductor laser device Yusuke Yoshizumi, Yohei Enya, Takashi Kyono, Masahiro Adachi, Katsushi Akita +5 more 2011-04-26