RT

Ritsuo Toya

NK Nsk-Warner K.K.: 11 patents #10 of 206Top 5%
Overall (All Time): #459,712 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10132368 Roller-type one-way clutch and side plate Takashi Kurita, Tetsuya Wakamori 2018-11-20
8403122 Wet-type multi-plate clutch 2013-03-26
8037987 Wet-type multi-plate clutch 2011-10-18
7823712 Wet-type multi-plate clutch 2010-11-02
7789209 Friction plate and wet-type multi-plate clutch Tomoyuki Miyazaki, Tsuyoshi Hirayanagi, Masahiro Kobayashi 2010-09-07
7779980 Wet multi-plate clutch 2010-08-24
7770708 Wet-type multi-plate clutch 2010-08-10
7757827 Lockup clutch 2010-07-20
7731005 Lock-up clutch mechanism for torque converter 2010-06-08
7597180 Friction plate for wet-type multiplate clutch Masahiro Kobayashi, Tsuyoshi Hirayanagi, Masahiro Yamada, Hirokazu Hino 2009-10-06
7322453 Lockup clutch assembly Yoshio Kinoshita, Shiro Takeuchi, Tatsuro Miyoshi, Shigeki Umezawa, Shun Kitahara +7 more 2008-01-29