KI

Kouji Ishikawa

HC Hitachi Construction Machinery Co.: 111 patents #1 of 1,234Top 1%
Nsk: 26 patents #25 of 1,559Top 2%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
TC Techno Polymer Co.: 2 patents #18 of 68Top 30%
MC Murata Manufacturing Co.: 1 patents #3,462 of 5,295Top 70%
NL Nagano Fujitsu Component Limited: 1 patents #5 of 32Top 20%
AM AMD: 1 patents #5,683 of 9,279Top 65%
TC Toagosei Co.: 1 patents #155 of 338Top 50%
FC Furukawa Techno Material Co.: 1 patents #14 of 42Top 35%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #6,573 of 4,157,543Top 1%
146
Patents All Time

Issued Patents All Time

Showing 101–125 of 146 patents

Patent #TitleCo-InventorsDate
7434394 Hydraulic drive device Yusuke Kajita, Kazunori Nakamura, Genroku Sugiyama, Hideo Karasawa 2008-10-14
7384368 Toroidal-type continuously variable transmission Hiroshi Kato, Eiji Inoue, Hiroki Nishii 2008-06-10
7255088 Engine control system for construction machine Kazunori Nakamura, Yasushi Arai, Yoichi Kowatari, Hideo Karasawa 2007-08-14
7244314 Resin recycling system Takateru Imai, Kenichi Urabe 2007-07-17
7127887 Oil pressure circuit for working machines Tsuyoshi Nakamura, Genroku Sugiyama, Tsukasa Toyooka 2006-10-31
7077781 Power roller unit for toroidal-type continuously variable transmission Eiji Inoue 2006-07-18
7004883 Toroidal-type continuously variable transmission Yutaka Sato, Masami Tanaka, Tomofumi Yamashita, Nobuo Goto 2006-02-28
7004882 Toroidal-type continuously variable transmission Takashi Imanishi, Masami Tanaka, Tomofumi Yamashita, Nobuo Goto 2006-02-28
7001305 Toroidal type continuously variable transmission Masato Yoshida, Takashi Imanishi 2006-02-21
6979277 Toroidal-type continuously variable transmission Takashi Imanishi 2005-12-27
6951524 Toroidal-type continuously variable transmission Masami Tanaka, Takashi Imanishi 2005-10-04
6945904 Toroidal-type continuously variable transmission Yutaka Sato 2005-09-20
6908410 Thrust bearing and toroidal type continuously variable transmission provided with the same 2005-06-21
6902509 Toroidal type continuously variable transmission Hisashi Machida, Takashi Imanishi, Hiroyuki Itoh, Tomofumi Yamashita 2005-06-07
6752735 Toroidal-type continuously variable transmission Masami Tanaka, Takashi Imanishi 2004-06-22
6742529 Resin recycling system Takateru Imai, Kenichi Urabe 2004-06-01
6740001 Toroidal type continuously variable transmission Takashi Imanishi, Hiroyuki Itoh 2004-05-25
6682457 Toroidal type continuously variable transmission Masato Yoshida, Takashi Imanishi 2004-01-27
6659908 Double-cavity toroidal-type continuously variable transmission and method for assembling same Nobuo Goto, Takashi Imanishi 2003-12-09
6619037 Hydraulic driving device of civil engineering and construction machinery Tsukasa Toyooka, Toichi Hirata, Genroku Sugiyama, Masao Nishimura, Tsuyoshi Nakamura 2003-09-16
6618239 Key switch and keyboard Kouki Takahashi, Kiyokazu Moriizumi, Kiyoshi Wada, Katsumi Harada, Junichi Maruyama +3 more 2003-09-09
6592491 Toroidal type continuously variable transmission Hisashi Machida, Takashi Imanishi, Hiroyuki Itoh, Tomofumi Yamashita 2003-07-15
6561946 Toroidal-type continuously variable transmission 2003-05-13
6440034 Toroidal-type continuously variable transmission Nobuo Goto, Takashi Imanishi 2002-08-27
6375595 Toroidal type continuously variable transmission Hisashi Machida, Takashi Imanishi 2002-04-23