TI

Tomomichi Ito

HI Hitachi: 18 patents #2,067 of 28,497Top 8%
HH Hitachi Mitsubishi Hydro: 2 patents #4 of 24Top 20%
HP Hitachi Industrial Products: 1 patents #30 of 86Top 35%
Overall (All Time): #246,038 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12355377 Adjustable speed generator motor system with full power converter Akira Bando, Takahiko Kikui, Kenta Watanabe, Yasuhiro Kiyofuji, Masakazu Ishikawa +3 more 2025-07-08
12289063 Modular multilevel power converter and variable speed generator-motor Akira Bando, Takahiko Kikui, Kenta Watanabe, Yasuhiro Kiyofuji, Masakazu Ishikawa +1 more 2025-04-29
10756571 System and method for stabilizing power system Akira Kikuchi, Masahiro Watanabe 2020-08-25
10202906 Two-shaft gas turbine Tetsuro Morisaki, Naohiro Kusumi, Noriaki Hino, Kazuo Takahashi 2019-02-12
10193383 Dual-shaft gas turbine power generation system, and control device and control method for gas turbine system Noriaki Hino, Naohiro Kusumi, Kazuo Takahashi 2019-01-29
9680368 Power converter installed between an electric power system and an energy storage device Yusuke Abe, Masahiro Taniguchi 2017-06-13
9641034 Rotary machine and drive system therefor Naohiro Kusumi, Noriaki Hino, Nobuhiro KUSUNO, Aung Kothet 2017-05-02
9520757 Dual-shaft gas turbine power generation system, and control device and control method for gas turbine system Noriaki Hino, Naohiro Kusumi, Kazuo Takahashi 2016-12-13
9484793 Electrical rotating machine system or wind turbine system Mamoru Kimura, Nobuhiro KUSUNO, Tetsuo Fujigaki, Daisuke KORI, Motonobu Iizuka +1 more 2016-11-01
9219426 Switching element, power converter, direct current transmission system, current control device, method of controlling power converter, and method of controlling current in voltage source converter Takayoshi Yamamoto, Masaya Ichinose, Akira Bando, Keiichi Yamashita, Shigenori Inoue +4 more 2015-12-22
7667436 Energy storage type feeder voltage compensation apparatus and method of controlling feeder voltage Tetsuya Kato, Takashi Ikimi 2010-02-23
7643317 Power converting device and method for controlling the same Shuji Katoh, Yasuhiro Kiyofuji, Shoichiro Koseki, Motoo Futami 2010-01-05
7402982 Energy storage type feeder voltage compensation apparatus and method of controlling feeder voltage Tetsuya Kato, Takashi Ikimi 2008-07-22
6809561 Semiconductor power converting apparatus Shuji Katoh, Shigeta Ueda, Hiromitsu Sakai, Takashi Ikimi 2004-10-26
6727516 Semiconductor power conversion apparatus Shuji Katoh, Shigeta Ueda, Hiromitsu Sakai, Takashi Ikimi 2004-04-27
6717177 Semiconductor power conversion apparatus Shuji Katoh, Shigeta Ueda, Hiromitsu Sakai, Takashi Ikimi 2004-04-06
6703874 Gate driver for MOS control semiconductor devices Shuji Katoh, Shigeta Ueda, Hiromitsu Sakai, Takashi Ikimi 2004-03-09
6490182 Power conversion apparatus Shuji Katoh, Hiromitsu Sakai, Shigeta Ueda, Hidetoshi Aizawa 2002-12-03