MM

Mutsumi Muraoka

TI Tokai Rubber Industries: 13 patents #22 of 557Top 4%
SL Sumitomo Riko Company Limited: 5 patents #45 of 446Top 15%
KE Keihin: 1 patents #237 of 596Top 40%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
Overall (All Time): #256,399 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
10415665 Fluid-filled vibration-damping device Atsushi Goto, Tetsuji Ando 2019-09-17
9651111 Fluid-filled vibration damping device Tomomi Suzuki, Kei Okumura, Wakako Michiyama 2017-05-16
9243680 Fluid-filled type active vibration damping device Hironori Koyama 2016-01-26
8936235 Fluid-filled type vibration damping device and manufacturing method thereof Hironori Koyama, Hironori DAITO, Satoshi Umemura, Jyoji Tsutsumida, Shinichi Suganuma +2 more 2015-01-20
8919748 Active antivibration device and manufacturing method for the same Atsushi Urayama, Hirozumi Kon, Hironori Koyama, Atsushi Muramatsu 2014-12-30
8807546 Fluid filled vibration damping device Hironori DAITO, Hironori Koyama 2014-08-19
8789819 Fluid-filled type active vibration damping device Satoshi Umemura, Hironori Koyama 2014-07-29
8292273 Fluid filled type vibration damping device Satoshi Umemura 2012-10-23
8172209 Fluid filled type vibration damping device 2012-05-08
8132796 Fluid filled type vibration damping device 2012-03-13
8047513 Fluid filled type vibration damping device Hironori Koyama 2011-11-01
7857293 Fluid filled type vibration damping device 2010-12-28
7648129 Fluid filled vibration damping device and method of manufacturing the same 2010-01-19
7584945 Vibration damping device Hajime Maeno 2009-09-08
7350776 Fluid-filled type vibration-damping device Atsushi Muramatsu, Hajime Maeno, Hironori Koyama 2008-04-01
7344128 Fluid-filled type vibration-damping device Atsushi Muramatsu, Hajime Maeno, Hironori Koyama, Satoshi Umemura 2008-03-18
7255335 Fluid-filled active damping apparatus Atsushi Muramatsu 2007-08-14
7165761 Fluid filled active vibration damping device Atsushi Muramatsu 2007-01-23