TU

Takaji Umeno

TO Toyota: 32 patents #471 of 26,838Top 2%
TL Toyota Central R&D Labs: 23 patents #9 of 1,657Top 1%
DE Denso: 5 patents #2,617 of 11,792Top 25%
Aisin Seiki Kabushiki Kaisha: 4 patents #844 of 3,782Top 25%
NS Nippon Soken: 2 patents #546 of 1,540Top 40%
KK Kabushiki Kaisha Chuo Kenkyusho: 1 patents #1 of 22Top 5%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
Overall (All Time): #56,651 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDate
9973071 Control device and control method for power converter Masanori Ishigaki, Shuji Tomura, Masaki Okamura, Daigo Nobe 2018-05-15
9935548 Power supply system having two DC power supplies Shigeaki Goto, Masanori Ishigaki, Shuji Tomura, Takahide Sugiyama, Masaki Okamura +1 more 2018-04-03
9669727 Electrical source control apparatus Masaki Okamura, Naoyoshi Takamatsu, Shuji Tomura, Masanori Ishigaki, Naoki Yanagizawa 2017-06-06
9660307 Battery temperature adjustment device Yasuki Hirota, Shuji Tomura, Takashi Shimazu, Takashi Murata 2017-05-23
9647544 Magnetic component, power converter and power supply system Masanori Ishigaki, Shuji Tomura, Masaki Okamura, Daigo Nobe 2017-05-09
9539903 External power supply system Shigeki Kinomura, Shingo Ueda, Yoshitoshi Watanabe 2017-01-10
9450499 Electric power conversion circuit system Kenichi Takagi, Masanori Ishigaki, Takahide Sugiyama, Kenichiro Nagashita, Takahiro HIRANO +1 more 2016-09-20
9434273 Electrical source control apparatus Masaki Okamura, Naoyoshi Takamatsu, Shuji Tomura, Masanori Ishigaki, Naoki Yanagizawa 2016-09-06
9438115 Power supply system Masanori Ishigaki, Shuji Tomura, Naoki Yanagizawa, Masaki Okamura, Daigo Nobe 2016-09-06
9431824 DC-DC converter comprising DC power sources to be connected in parallel or in series Masanori Ishigaki, Shuji Tomura, Masaki Okamura, Daigo Nobe, Yoshiyuki Nakamura 2016-08-30
9270187 Electric power conversion system Kenichi Takagi, Masanori Ishigaki, Takahiro HIRANO, Jun Muto, Yasuharu Terada +1 more 2016-02-23
9209701 Electric power conversion system Kenichi Takagi, Masanori Ishigaki, Kenichiro Nagashita, Takahiro HIRANO, Jun Muto +1 more 2015-12-08
8935023 Secondary battery system and vehicle having secondary battery system Yasuki Hirota, Shuji Tomura, Takashi Shimazu 2015-01-13
8829713 Power conversion circuit and power conversion circuit system Masanori Ishigaki, Shuji Tomura, Kenji Kimura 2014-09-09
8615372 State estimating device for secondary battery Shuji Tomura, Yasushi Amano, Yuji Nishi, Takeshi Takemoto, Nobuyasu Haga +1 more 2013-12-24
8547192 Electromagnetic actuator Yukihiko Ideshio, Yoshihiro Iijima, Hideaki Komada, Miyoshi Kawaguchi, Hidetoshi Aoki 2013-10-01
8513830 Power supply apparatus for vehicle Kenji Kimura, Shuji Tomura, Masanori Ishigaki 2013-08-20
8515607 Hybrid vehicle controller Yasushi Amano, Shuji Tomura, Tetsuhiro Ishikawa, Naoya Kanada, Hiroshi Yoshida 2013-08-20
8384236 Vehicle mounted converter Hiroo Fuma, Kota Manabe 2013-02-26
8340849 Hybrid vehicle controller Yasushi Amano, Shuji Tomura, Tetsuhiro Ishikawa, Naoya Kanada, Hiroshi Yoshida 2012-12-25
8310181 Motor drive system using potential at neutral point Makoto Taniguchi, Kazunari Moriya, Kosuke Aiki 2012-11-13
8294322 Rotating electrical machine Kosuke Aiki, Hideo Nakai, Eiji Yamada, Kazutaka Tatematsu, Norimoto Minoshima +3 more 2012-10-23
8108161 State estimating device of secondary battery Shuji Tomura, Yasushi Amano, Yuji Nishi, Takeshi Takemoto, Nobuyasu Haga +1 more 2012-01-31
8095255 Control apparatus for hybrid vehicle Hiroaki Ebuchi, Hiromichi Kimura, Hirotatsu Kitabatake 2012-01-10
7677340 Hybrid-type forklift Hisashi Ichijo, Shoichi Ieoka, Norihiko Kato, Masaru Sugai 2010-03-16