HK

Hiroshi Kuroiwa

HI Hitachi: 78 patents #77 of 28,497Top 1%
HC Hitachi Car Engineering Co.: 11 patents #43 of 465Top 10%
HC Hitachi Automotive Engineering Co.: 7 patents #4 of 314Top 2%
RE Renesas Electronics: 6 patents #669 of 4,529Top 15%
RT Renesas Technology: 3 patents #990 of 3,337Top 30%
JA Jatco: 1 patents #458 of 871Top 55%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
HC Hitachi Ulsi Systems Co.: 1 patents #577 of 867Top 70%
HC Hitachi, Ltd. And Hitachi Car Engineering, Co.: 1 patents #1 of 26Top 4%
Overall (All Time): #18,028 of 4,157,543Top 1%
90
Patents All Time

Issued Patents All Time

Showing 1–25 of 90 patents

Patent #TitleCo-InventorsDate
11077852 Shift control device and shift control method for vehicle Toshimitsu Araki, Tomoaki Honma, Yasuhiro Endo 2021-08-03
10396547 Semiconductor device and power control device Ryo Kanda, Tetsu Toda, Yasushi Nakahara 2019-08-27
10224921 Semiconductor device and electric power control apparatus Ryo Kanda, Koichi Yamazaki, Masatoshi Maeda, Tetsu Toda 2019-03-05
9667142 Power supply device with shared inductive elements under switch control Osamu Yamashita, Masahiro Ishihara, Minoru Kurosawa 2017-05-30
9621151 Semiconductor device and electric power control apparatus Ryo Kanda, Koichi Yamazaki, Masatoshi Maeda, Tetsu Toda 2017-04-11
8482233 Hard disc device control circuit and hard disc device 2013-07-09
7967721 Control apparatus for an automatic transmission Hiroyuki Sakamoto, Masahiko Ibamoto 2011-06-28
7848044 VCM driver and PWM amplifier Yasuhiko Kokami 2010-12-07
7710678 VCM driver and PWM amplifier Yasuhiko Kokami 2010-05-04
7632209 Vehicular drive system and driving method Hiroyuki Sakamoto, Masahiko Ibamoto 2009-12-15
7628720 Vehicle control apparatus and method Hiroyuki Sakamoto, Masahiko Ibamoto 2009-12-08
7575084 Automobile and control apparatus, and power train system of automobile Kinya Fujimoto, Tetsuo Matsumura, Naoyuki Ozaki 2009-08-18
7503233 Vehicle control apparatus and control method Kentaro Shishido, Yoshiyuki Yoshida, Tetsuo Matsumura, Kinya Fujimoto 2009-03-17
7492132 Switching regulator Yasuhiko Kokami, Osamu Yamashita 2009-02-17
7476176 Automatic transmission, dynamo-electric machine, and car Masahiko Ibamoto 2009-01-13
7370551 Gearshift operating device Kenichiro Tokuo, Masaru Yamasaki, Naoyuki Ozaki 2008-05-13
7367917 Shift change control system and automatic transmission system of automobile Hiroyuki Sakamoto, Masahiko Ibamoto 2008-05-06
7331897 Active shift transmission, transmission control unit and automobile Masahiko Ibamoto, Hiroyuki Sakamoto 2008-02-19
7226379 Active shift transmission, transmission control unit and automobile Masahiko Ibamoto, Hiroyuki Sakamoto 2007-06-05
7211028 Method of controlling a vehicle, apparatus for controlling the same, transmission and apparatus for controlling the same Tetsuo Matsumura, Naoyuki Ozaki, Kinya Fujimoto, Takashi Okada 2007-05-01
7165470 Vehicular drive system and driving method Hiroyuki Sakamoto, Masahiko Iabamoto 2007-01-23
7150698 Power transmission apparatus for automobile Hiroshi Sakamoto, Toshimichi Minowa, Takashi Okada, Mitsuo Kayano, Tatsuya Ochi +1 more 2006-12-19
7093512 Automatic transmission, dynamo-electric machine, and car Masahiko Ibamoto 2006-08-22
7083545 Automatic transmission system and automobile using the system Masahiko Ibamoto, Hiroyuki Sakamoto 2006-08-01
6961647 Method of controlling a vehicle and system of controlling the same Tetsuo Matsumura, Naoyuki Ozaki, Kinya Fujimoto, Takashi Okada, Toshimichi Minowa 2005-11-01