KN

Kiyoshi Nakata

HI Hitachi: 27 patents #1,104 of 28,497Top 4%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
TK Toyo Boseki Kabushiki Kaisha: 2 patents #343 of 1,085Top 35%
HI Hitchi: 1 patents #1 of 56Top 2%
KC Kansai Coke And Chemicals Co.: 1 patents #11 of 29Top 40%
Overall (All Time): #82,403 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 1–25 of 39 patents

Patent #TitleCo-InventorsDate
11701971 Three-phase AC motor drive device, rail vehicle equipped with same, and three-phase AC motor drive method Takeshi Shinomiya, Naoki Kunihiro, Kazutoshi Ogawa, Katsumi Ishikawa, Kuniaki Otsuka +4 more 2023-07-18
11211881 Power conversion device and electric railroad vehicle equipped with power conversion device Keisuke Horiuchi, Noriyoshi Urushiwara, Shuichi Terakado, Kiyoshi Terasawa 2021-12-28
8157968 Oven observing equipment and push-out ram having the same Manabu Sato, Hironobu Inamasu, Keiji Yoshimoto 2012-04-17
D515523 Television receiver Toshikazu Asanuma, Koichi Matsumoto 2006-02-21
D513501 Combined television and base Toshikazu Asanuma, Koichi Matsumoto 2006-01-10
D512390 DVD-RAM recorder with LCD television receiver Kazuhiko Maeda, Noriaki Mori 2005-12-06
D510732 LCD television receiver with DVD-RAM recorder Kazuhiko Maeda, Noriaki Mori 2005-10-18
D496341 Television receiver Takashi Inoue, Seigo Takahashi 2004-09-21
6642689 Control apparatus for power converter Seiji Ishida, Toshiaki Okuyama, Takashi Ogawa, Tetsuo Kojima 2003-11-04
6633495 DC apparatus and vehicle using the same Seiji Ishda, Toshiaki Okuyama, Tetsuo Kojima, Akira Horie 2003-10-14
6600978 Railway vehicle operation-control system and a railway vehicle using the operation control system Masahiro Nagasu, Yutaka Sato, Shin Kimura 2003-07-29
D477292 Combined television and base Takashi Inoue, Satoshi Tanigawa 2003-07-15
D476632 Monitor/television receiver Takashi Inoue, Satoshi Tanigawa 2003-07-01
6556460 Method for controlling a vehicle provided with an electric power converter Seiji Ishida, Toshiaki Okuyama, Tetsuo Kojima, Akira Horie 2003-04-29
6456909 Control apparatus of electric vehicle Motomi Shimada, Tetsuo Kojima, Eiichi Toyota, Toshihiko Sekizawa 2002-09-24
6437997 Control device for electric power translating device Satoru Inarida, Tokunosuke Tanamachi 2002-08-20
6307759 Control device for electric power translating device Satoru Inarida, Tokunosuke Tanamachi 2001-10-23
6304472 Electric power converting system with integrator providing output indicative of current Masahiro Nagasu, Shin Kimura, Mutsuhiro Mori, Mutsuhiro Terunuma 2001-10-16
6166514 Apparatus and method for controlling induction motor Takeshi Ando, Tokunosuke Tanamachi, Eiichi Toyota, Masato Suzuki, Kouji Yasuda 2000-12-26
5929519 Semiconductor module including switching device chips and diode chips Mutsuhiro Mori, Ryuichi Saito, Shin Kimura, Syuuji Saitoo, Akira Horie +2 more 1999-07-27
5801936 Semiconductor module for a power conversion device Mutsuhiro Mori, Ryuichi Saito, Shin Kimura, Syuuji Saitoo, Akira Horie +2 more 1998-09-01
5781423 Pulse width modulation control system for electric power converter Satoru Inarida, Kouji Yasuda, Masato Suzuki, Wataru Miyake 1998-07-14
5731970 Power conversion device and semiconductor module suitable for use in the device Mutsuhiro Mori, Ryuichi Saito, Shin Kimura, Syuuji Saitoo, Akira Horie +2 more 1998-03-24
5680299 Electric power conversion equipment Kouji Yasuda, Masato Suzuki, Mutsuhiro Terunuma 1997-10-21
5627742 Three level power converting apparatus having means for balancing DC component thereof Mutsuhiro Terunuma, Tokunosuke Tanamachi, Kiyoshi Nakamura 1997-05-06