KO

Kenji Oka

HI Hitachi: 24 patents #1,340 of 28,497Top 5%
HH Hitachi High-Technologies: 14 patents #180 of 1,917Top 10%
FL Fujitsu Ten Limited: 9 patents #33 of 996Top 4%
PA Panasonic: 7 patents #3,841 of 21,108Top 20%
LP Lenovo (Singapore) Pte.: 6 patents #250 of 1,301Top 20%
DI Daicel Chemical Industries: 4 patents #163 of 893Top 20%
Nichia: 3 patents #567 of 1,531Top 40%
RT Renesas Technology: 3 patents #990 of 3,337Top 30%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
DL Denso Ten Limited: 1 patents #150 of 359Top 45%
TO Tokico: 1 patents #164 of 359Top 50%
IBM: 1 patents #44,794 of 70,183Top 65%
HC Hitachi High-Tech Electronics Engineering Co.: 1 patents #11 of 59Top 20%
Overall (All Time): #29,457 of 4,157,543Top 1%
70
Patents All Time

Issued Patents All Time

Showing 1–25 of 70 patents

Patent #TitleCo-InventorsDate
10608332 Microstrip antenna Norihisa Nishimoto, Junzoh TSUCHIYA, Ryuichi Hashimoto, Kenta Shirahige 2020-03-31
10466347 Radar device and method of determining phase difference folding Isao Matsui, Yasuhiro KURONO 2019-11-05
10283874 Antenna apparatus Junzoh TSUCHIYA, Ryuichi Hashimoto, Norihisa Nishimoto, Kenta Shirahige 2019-05-07
10032029 Verifying integrity of backup file in a multiple operating system environment Seiichi Kawano, Randall Scott Springfield 2018-07-24
9910677 Operating environment switching between a primary and a secondary operating system Seiichi Kawano, Randall Scott Springfield 2018-03-06
9886073 Control method for shared devices and electronic device Mitsuhiro Yamazaki, Masaharu Yoneda, Qiya Ye 2018-02-06
9753739 Operating system management of second operating system Seiichi Kawano, Jedd Benedict Kris Mahilum 2017-09-05
9483278 Arrangement for secure independent operating environments in a computer Seiichi Kawano, Shinji Matsushima 2016-11-01
9159868 Method for manufacturing semiconductor light emitting device Yohei Wakai, Hiroaki Matsumura 2015-10-13
9030291 Apparatus for controlling vehicle opening/closing element Hirokazu Muramatsu, Seiji Yoshida 2015-05-12
8983235 Pupil detection device and pupil detection method Sotaro Tsukizawa 2015-03-17
8949043 Surface inspecting apparatus and method for calibrating same Kenji Mitomo, Kenichiro Komeda 2015-02-03
8883529 Method for manufacturing semiconductor light emitting device Yohei Wakai, Hiroaki Matsumura 2014-11-11
8831899 Inspecting apparatus and an inspecting method Kazunori Nemoto, Akira Hamamatsu, Hideo Ota, Takahiro Jingu 2014-09-09
8810642 Pupil detection device and pupil detection method Sotaro Tsukizawa 2014-08-19
8804108 Inspection method and inspection apparatus Kenji Mitomo 2014-08-12
8699017 Appearance inspection apparatus Shigeru Matsui 2014-04-15
8659751 External light glare assessment device, line of sight detection device and external light glare assessment method Sotaro Tsukizawa 2014-02-25
8649583 Pupil detection device and pupil detection method Sotaro Tsukizawa 2014-02-11
8559000 Method of inspecting a semiconductor device and an apparatus thereof Akira Hamamatsu, Minori Noguchi, Yoshimasa Ohshima, Hidetoshi Nishiyama, Takanori Ninomiya +4 more 2013-10-15
8552445 Semiconductor light emitting device and method for manufacturing the same Yohei Wakai, Hiroaki Matsumura 2013-10-08
8539248 Associating biometric information with passwords Mikio Hagiwara, Kishiko Itoh, Akira Hino, Masaki Obinata 2013-09-17
8503737 Visual line estimating apparatus Sotaro Tsukizawa 2013-08-06
8462327 Appearance inspection apparatus Shigeru Matsui 2013-06-11
8274651 Method of inspecting a semiconductor device and an apparatus thereof Akira Hamamatsu, Minori Noguchi, Yoshimasa Ohshima, Hidetoshi Nishiyama, Takanori Ninomiya +4 more 2012-09-25