YK

Yuki Kawahara

EX Exedy: 29 patents #5 of 223Top 3%
AN Anritsu: 3 patents #129 of 633Top 25%
Canon: 3 patents #11,241 of 19,416Top 60%
SO Sony: 3 patents #10,744 of 25,231Top 45%
Overall (All Time): #80,947 of 4,157,543Top 2%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
9702445 Torque converter 2017-07-11
9618105 Fluid power transmission device Yusuke Okamoto, Yusuke Okamachi 2017-04-11
9605729 Lock-up device for torque converter 2017-03-28
9506524 Lock-up device for fluid coupling Kazuhiro Yamashita 2016-11-29
9222564 Lock-up device for torque converter Hiroyuki Ushio, Naoki Tomiyama 2015-12-29
9163677 Torque converter lock-up device 2015-10-20
9051977 Lock-up device for torque converter Yoshihiro Matsuoka 2015-06-09
9011257 Lock-up device for fluid coupling Kazuhiro Yamashita 2015-04-21
9004248 Power transmission device for torque converter Yoshihiro Matsuoka, Mitsuru Kuwahata, Shinji Fujimoto 2015-04-14
8857586 Lockup device for torque converter Naoki Tomiyama 2014-10-14
8746425 Torque converter lock-up device 2014-06-10
6995724 Waveguide slot type radiator having construction to facilitate manufacture Tasuku Teshirogi 2006-02-07
6597323 Dielectric leaky wave antenna having mono-layer structure Tasuku Teshirogi, Takashi Hidai, Aya Yamamoto 2003-07-22
6489930 Dielectric leaky-wave antenna Tasuku Teshirogi, Takashi Hidai, Aya Yamamoto 2002-12-03