FM

Fumimasa Muramatsu

NK Nsk-Warner K.K.: 3 patents #65 of 206Top 35%
NK Nsk-Warner Kabushiki Kaisha: 2 patents #11 of 62Top 20%
SC Shin-Etsu Chemical Co.: 1 patents #1,340 of 2,176Top 65%
Overall (All Time): #979,913 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10260570 Friction plate and wet-type multiple-disc clutch with friction plate Hideaki Takabayashi, Yousuke IKEDA, Masanori Okada, Masahiro Kobayashi, Osamu Tanaka +4 more 2019-04-16
7392891 Friction plate for wet-type multiplate clutch Yoshio Kinoshita, Shiro Takeuchi, Tatsuro Miyoshi, Shigeki Umezawa, Shun Kitahara +6 more 2008-07-01
7322453 Lockup clutch assembly Yoshio Kinoshita, Shiro Takeuchi, Tatsuro Miyoshi, Shigeki Umezawa, Shun Kitahara +7 more 2008-01-29
6331358 Wet friction material and process for producing the same Shun Kitahara, Shigeki Umezawa 2001-12-18
5563196 Wet frictional material Shun Kitahara, Shigeki Umezawa, Mitsuhiro Takarada, Tadashi Takahashi 1996-10-08