MA

Makoto Ashiura

The Yokohama Rubber Co.: 48 patents #6 of 1,136Top 1%
EN Eneos: 2 patents #54 of 206Top 30%
NC Nippon Chemi-Con: 1 patents #97 of 199Top 50%
Overall (All Time): #54,206 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
10072138 Rubber composition for use in tire treads Ayumi Naka, Takashi Shirokawa, Yoshihiro Kameda, Masaki Satou 2018-09-11
9834661 Rubber composition for tire tread and pneumatic tire Masaki Sato 2017-12-05
9567451 Rubber composition for use in tire treads Masaki Satou, Takashi Shirokawa, Yoshihiro Kameda, Ayumi Naka, Keisuke Maejima 2017-02-14
9493638 Rubber composition for tire Hiroki Sugiura, Masaki Sato 2016-11-15
9475924 Rubber composition for tire tread and pneumatic tire using the same Yoshihiro Kameda 2016-10-25
9416252 Rubber composition for tire tread Ayumi Naka, Takashi Shirokawa, Yoshihiro Kameda, Masaki Satou, Keisuke Maejima 2016-08-16
9416258 Rubber composition for tire, and pneumatic tire Shinya Takeda 2016-08-16
8506276 Method for manufacturing bladder for use in manufacturing tires Atsushi Tanno, Yuji Sato, Yoshio Hirose 2013-08-13
8310813 Sealing material for electrolytic capacitor and electrolytic capacitor employing the sealing material Hiroaki Fujita, Kazuhiko Kimura, Masatoshi Iemura, Masashi Ozawa, Tetsuji Kawazura 2012-11-13
8293817 Method for manufacturing natural rubber Takashi Matsuda, Tetuji Kawazura, Keisuke Chino 2012-10-23
8293827 Method for producing a rubber composition Takashi Matsuda, Tetsuji Kawazura 2012-10-23
8148473 Sulfur-containing conjugated diolefin copolymer rubber, and rubber composition comprising the same Yoshihiro Kameda 2012-04-03
8034868 Rubber composition containing modified conjugated diene-based polymer bonded to fullerene Tetsuji Kawazura, Fumito Yatsuyanagi 2011-10-11
7956134 Modified butyl rubber composition Tetsuji Kawazura 2011-06-07
7812096 Modification method of polymer Tetsuji Kawazura 2010-10-12
7772325 Thermoplastic elastomer composition Tetsuji Kawazura, Kazuo Arakawa 2010-08-10
7700695 Modified butyl rubber composition Tetsuji Kawazura 2010-04-20
7589155 Modified butyl rubber composition Tetsuji Kawazura 2009-09-15
7282542 Modification method of polymer Tetsuji Kawazura 2007-10-16
7196144 Process for modification of polymer Tetsuji Kawazura 2007-03-27
6930153 Production of maleic anhydride modified butyl rubber and use thereof 2005-08-16
6809157 Thermoplastic polymer and thermoplastic elastomer composition Keisuke Chino, Tetsuji Kawazura, Masahiro Ikawa 2004-10-26
6653409 Radical-modified polymer and polymer composition containing the same Keisuke Chino, Tetsuji Kawazura 2003-11-25
6642291 Viscoelasticity improving agent for rubber and rubber composition containing the same Keisuke Chino, Naoshi Miyashita, Tetsuji Kawazura 2003-11-04
6512051 Elastomer composition Keisuke Chino, Masahiro Ikawa 2003-01-28