AT

Akihiko Takenaka

DE Denso: 24 patents #289 of 11,792Top 3%
NS Nippon Soken: 8 patents #157 of 1,540Top 15%
TO Toyota: 6 patents #4,786 of 26,838Top 20%
NC Nippondenso Co.: 5 patents #465 of 3,479Top 15%
AC Advics Co.: 1 patents #370 of 686Top 55%
Overall (All Time): #132,218 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
8776745 Variable valve timing apparatus Yasuhiro Hamaoka, Takashi Yamaguchi 2014-07-15
8646424 Variable valve timing device Toshiki Fujiyoshi 2014-02-11
8631773 Valve timing adjuster Takashi Yamaguchi, Toshiki Fujiyoshi 2014-01-21
8453614 Variable valve timing device for internal combustion engine and manufacturing method therefor Toshio Imamura 2013-06-04
8286601 Variable valve timing apparatus Yasuhiro Hamaoka, Takashi Yamaguchi 2012-10-16
8166937 Valve timing control apparatus Takashi Yamaguchi 2012-05-01
8156906 Valve timing controller 2012-04-17
7950361 Valve timing control apparatus 2011-05-31
7564145 Vehicle control apparatus Yoshihito Moriya, Haruyuki Urushihata 2009-07-21
7458351 Valve timing controller Eiji Isobe, Takayuki Inohara, Yoshihito Moriya, Takashi Inoue, Koichi Shimizu 2008-12-02
7444969 Variable valve timing apparatus Yasumichi Inoue, Zenichiro Mashiki, Noboru Takagi, Yoshihito Moriya, Haruyuki Urushihata +2 more 2008-11-04
7278386 Valve timing controller Akira Hori, Shuji Mizutani 2007-10-09
7252055 Valve controller Hideji Tani, Yoshihiro Sato 2007-08-07
7081063 Internal planetary gear mechanism Masashi Hori, Masamichi Watanabe, Takahisa Yokoyama, Takayuki Takeshita, Yuzo Imoto 2006-07-25
6920855 Valve timing adjustment device Takayuki Inohara 2005-07-26
6883482 Variable valve timing controller Takayuki Inohara 2005-04-26
6848401 Valve timing adjusting device Michio Adachi, Takayuki Inohara 2005-02-01
6805082 Valve timing adjustment device Takayuki Inohara 2004-10-19
6799553 Variable valve timing controller Haruyuki Urushihata, Hideji Tani, Hideji Yoshida, Takayuki Inohara 2004-10-05
6779499 Variable valve timing apparatus Shigeyuki Kusano, Hirohiko Yamada 2004-08-24
6655332 Valve timing adjusting apparatus Michio Adachi 2003-12-02
6439184 Valve timing adjusting system of internal combustion engine Masashi Hayashi, Akira Hori 2002-08-27
6378476 Valve timing adjusting device Motohiro Okada, Osamu Sato 2002-04-30
6378475 Valve timing adjusting device Isao Hattori, Michio Adachi 2002-04-30
5483930 Valve timing control device Yoshihito Moriya, Michio Adachi 1996-01-16