KS

Kenji Sakurai

TO Toyota: 23 patents #895 of 26,838Top 4%
OM Omron: 10 patents #250 of 3,089Top 9%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
Ngk Spark Plug Co.: 4 patents #450 of 1,594Top 30%
HS Hitachi Information & Control Solutions: 4 patents #10 of 68Top 15%
SE Seiko Epson: 3 patents #3,864 of 7,774Top 50%
Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
TK Toshiba Tec Kabushiki Kaisha: 3 patents #733 of 1,664Top 45%
SI Sumitomo Electric Device Innovations: 2 patents #69 of 208Top 35%
NK Nittoh Kogaku K.K.: 2 patents #11 of 32Top 35%
Canon: 2 patents #12,681 of 19,416Top 70%
HD Hitachi Power Semiconductor Device: 2 patents #16 of 79Top 25%
SS Sumitomo Wiring Systems: 1 patents #1,603 of 2,615Top 65%
DC Daiichi Kigenso Kagaku Kogyo Co.: 1 patents #28 of 61Top 50%
Aisin Seiki Kabushiki Kaisha: 1 patents #2,094 of 3,782Top 60%
📍 Uji, JP: #2 of 3 inventorsTop 70%
Overall (All Time): #39,052 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
9169758 Fuel injection control system of an internal combustion engine Yusuke Nakayama, Toru Kidokoro 2015-10-27
9115660 Exhaust purifying system for internal combustion engine 2015-08-25
9010093 Exhaust gas purification apparatus for an internal combustion engine Toru Kidokoro, Yasuyuki Irisawa, Yuji Miyoshi 2015-04-21
8993359 Method for manufacturing semiconductor optical device 2015-03-31
8841816 Energy conversion device of electrostatic induction type Tatsuakira Masaki, Yuji Suzuki 2014-09-23
8796902 Electrostatic induction power generator Tatsuakira Masaki, Toru Yokoyama 2014-08-05
8769934 Exhaust purifying system for internal combustion engine 2014-07-08
8661789 Exhaust purification system for internal combustion engine Shigeki Miyashita 2014-03-04
8651042 Operation device Atsushi Kosemura, Yasushi Oonishi, Yuusuke Yoshida 2014-02-18
8617969 Method for producing semiconductor optical device Hideki Yagi, Hiroyuki Yoshinaga 2013-12-31
8485015 Degradation detection system for NOx sensor, and degradation detection method therefor Toru Kidokoro 2013-07-16
8421395 Synchronous motor and control method of synchronous motor Daisuke Maeda, Hiroyuki Hasegawa, Hidefumi Shirahama, Mitsuhiro Mishima 2013-04-16
8035330 Apparatus and method for driving synchronous motor Daisuke Maeda, Tsunehiro Endo, Hidefumi Shirahama, Hiroyuki Hasegawa, Mitsuhiro Mishima 2011-10-11
7859210 Semiconductor device for driving motor, three-phase motor and motor driving apparatus with the semiconductor device and fan motor Hiroyuki Hasegawa, Tomoyuki Utsumi, Shoichi Ohozeki, Daisuke Maeda, Mitsuhiro Mishima 2010-12-28
7839113 Apparatus and method for driving synchronous motor Daisuke Maeda, Tsunehiro Endo, Hidefumi Shirahama, Hiroyuki Hasegawa, Mitsuhiro Mishima 2010-11-23
7729847 Air-fuel ratio control device of internal combustion engine Hiroaki Mizoguchi, Takahiko Fujiwara, Kunihiko Nakata, Hiroki Ichinose, Masaaki Kawai +1 more 2010-06-01
7710064 Semiconductor device for motor driving and motor having the same, motor driving apparatus and air conditioner Hiroyuki Hasegawa 2010-05-04
7471355 Liquid crystal display, surface light source device, and information device Ken Watanuki, Gouo Kurata, Akihiro Funamoto, Shigeru Aoyama 2008-12-30
7455443 Surface light source device Makoto Ohhira, Gouo Kurata, Yasuhiro Kawabata, Masayuki Shinohara 2008-11-25
7434976 Double-side display device with surface light source device having deflection patterns Makoto Ohhira, Gouo Kurata, Akihiro Funamoto, Shigeru Aoyama 2008-10-14
7299788 Internal combustion engine and method of detecting abnormality of internal combustion engine Koichi Hoshi, Makoto Tomimatsu 2007-11-27
7224133 Control apparatus, dual chip inverter and single chip inverter of AC motors Junnosuke Nakatsugawa, Tsuyoshi Tanaka, Tunehiro Endo 2007-05-29
7092164 Lens array and image display apparatus of projection type Daido Uchida, Shigeru Aoyama 2006-08-15
7060520 Piezoelectric device and cover sealing method and apparatus therefor, cellular phone apparatus using piezoelectric device and electronic apparatus using piezoelectric device Osamu Kawauchi, Kenichiro Murata 2006-06-13
6737729 Anisotropic etching of a semiconductor device using tilted etching holes Masakazu Shiinoki, Mitsuru Fujii 2004-05-18