MY

Masakazu Yamaguchi

KT Kabushiki Kaisha Toshiba: 33 patents #712 of 21,451Top 4%
KA Kao: 11 patents #204 of 3,221Top 7%
FU Fujifilm: 3 patents #1,989 of 4,519Top 45%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
TK Toyoda Koki Kabushiki Kaisha: 1 patents #307 of 674Top 50%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #58,499 of 4,157,543Top 2%
48
Patents All Time

Issued Patents All Time

Showing 1–25 of 48 patents

Patent #TitleCo-InventorsDate
10984344 Document classifying device Toshiyuki Ando, Shinsuke Nagahara 2021-04-20
RE47641 Semiconductor device with super junction region Wataru Saito, Ichiro Omura, Masaru Izumisawa 2019-10-08
RE47198 Power semiconductor device Hideaki Ninomiya, Ichiro Omura, Tomoki Inoue 2019-01-08
8484155 Hair evaluation method and system Takashi Ito, Shinobu Nagase, Chihiro Saegusa 2013-07-09
8319314 Semiconductor device Tsuneo Ogura, Tomoki Inoue, Hideaki Ninomiya, Koichi Sugiyama 2012-11-27
7896932 Non-oxidative hair dye composition Masaki Fukuhara 2011-03-01
7896931 Hair dye composition Osamu Takiguchi, Masaaki Tsukase, Yasuhiro Ishiwata 2011-03-01
7772641 Power semiconductor device with a plurality of gate electrodes Ichiro Omura, Yoko Sakiyama, Hideki Nozaki, Atsushi Murakoshi, Masanobu Tsuchitani +3 more 2010-08-10
7651538 Hair dye composition Dominic Pratt, Yasuhiro Ishiwata 2010-01-26
7518197 Power semiconductor device 2009-04-14
7492031 Semiconductor device Koichi Sugiyama, Tomoki Inoue, Hideaki Ninomiya 2009-02-17
7476261 Hair dye composition Dominic Pratt, Makiko Aimi, Yasuhiro Ishiwata 2009-01-13
7456487 Semiconductor device Tsuneo Ogura, Tomoki Inoue, Hideaki Ninomiya, Koichi Sugiyama 2008-11-25
7361954 Power semiconductor device Koichi Sugiyama 2008-04-22
7319257 Power semiconductor device Hideaki Ninomiya, Ichiro Omura, Tomoki Inoue 2008-01-15
7238576 Semiconductor device and method of manufacturing the same Ichiro Omura, Wataru Saito, Takashi Shinohe, Hiromichi Ohashi 2007-07-03
7170106 Power semiconductor device Hideaki Ninomiya, Ichiro Omura, Tomoki Inoue 2007-01-30
7115475 Method of manufacturing semiconductor device Wataru Saito, Ichiro Omura, Masaru Izumisawa 2006-10-03
7078740 Power semiconductor device Hideaki Ninomiya, Ichiro Omura, Tomoki Inoue 2006-07-18
7075168 Semiconductor device Koichi Sugiyama, Tomoki Inoue, Hideaki Ninomiya 2006-07-11
6995426 Semiconductor device having vertical metal insulator semiconductor transistors having plural spatially overlapping regions of different conductivity type Hideki Okumura, Hitoshi Kobayashi, Masanobu Tsuchitani, Akihiko Osawa, Wataru Saito +1 more 2006-02-07
6936893 Power semiconductor device Masahiro Tanaka, Shinichi Umekawa, Tadashi Matsuda 2005-08-30
6921687 Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same Hidetaka Hattori 2005-07-26
6894347 Power semiconductor element capable of improving short circuit withstand capability while maintaining low on-voltage and method of fabricating the same Hidetaka Hattori 2005-05-17
6844592 Semiconductor device with super junction region Wataru Saito, Ichiro Omura, Masaru Izumisawa 2005-01-18