TK

Tetsuji Kawazura

The Yokohama Rubber Co.: 52 patents #5 of 1,136Top 1%
NC Nippon Zeon Co.: 3 patents #131 of 609Top 25%
DC Dainippon Ink And Chemicals: 2 patents #241 of 1,002Top 25%
NC Nippon Chemi-Con: 1 patents #97 of 199Top 50%
Overall (All Time): #51,215 of 4,157,543Top 2%
52
Patents All Time

Issued Patents All Time

Showing 1–25 of 52 patents

Patent #TitleCo-InventorsDate
8557926 Method for producing modified polymer Michiko Kawabata 2013-10-15
8310813 Sealing material for electrolytic capacitor and electrolytic capacitor employing the sealing material Hiroaki Fujita, Kazuhiko Kimura, Masatoshi Iemura, Masashi Ozawa, Makoto Ashiura 2012-11-13
8293827 Method for producing a rubber composition Takashi Matsuda, Makoto Ashiura 2012-10-23
8034868 Rubber composition containing modified conjugated diene-based polymer bonded to fullerene Makoto Ashiura, Fumito Yatsuyanagi 2011-10-11
7956134 Modified butyl rubber composition Makoto Ashiura 2011-06-07
7812096 Modification method of polymer Makoto Ashiura 2010-10-12
7772325 Thermoplastic elastomer composition Makoto Ashiura, Kazuo Arakawa 2010-08-10
7754819 Thermoplastic elastomer Keisuke Chino, Manabu Kato 2010-07-13
7700695 Modified butyl rubber composition Makoto Ashiura 2010-04-20
7589155 Modified butyl rubber composition Makoto Ashiura 2009-09-15
7538161 Production and bonding method of elastomer composition Hajime Satoh 2009-05-26
7282542 Modification method of polymer Makoto Ashiura 2007-10-16
7196144 Process for modification of polymer Makoto Ashiura 2007-03-27
7144943 Process for production of modified carbon black for rubber reinforcement and process of production of rubber composition containing modified carbon black Masayuki Kawazoe 2006-12-05
7019086 Process for producing modified polymer Hidekazu Onoi, Keisuke Chino 2006-03-28
6962952 Process for production of modified carbon black for rubber reinforcement and process of production of rubber composition containing modified carbon black Masayuki Kawazoe 2005-11-08
6927255 Rubber composition Masayuki Kawazoe, Masao Nakamura 2005-08-09
6861470 Thermoplastic elastomer composition and process for producing the same and pneumatic tire and hose using the same Jiro Watanabe, Kazuto Yamakawa, Daisuke Kanenari, Noriaki Kuroda, Gou Kawaguchi +3 more 2005-03-01
6809157 Thermoplastic polymer and thermoplastic elastomer composition Keisuke Chino, Makoto Ashiura, Masahiro Ikawa 2004-10-26
6653409 Radical-modified polymer and polymer composition containing the same Makoto Ashiura, Keisuke Chino 2003-11-25
6652641 Process for production of modified carbon black for rubber reinforcement and rubber composition containing modified carbon black 2003-11-25
6642291 Viscoelasticity improving agent for rubber and rubber composition containing the same Keisuke Chino, Naoshi Miyashita, Makoto Ashiura 2003-11-04
6538066 Thermoplastic elastomer composition and process for producing the same and pneumatic tire and hose using the same Jiro Watanabe, Kazuto Yamakawa, Daisuke Kanenari, Noriaki Kuroda, Gou Kawaguchi +3 more 2003-03-25
6525110 Polysiloxane-containing rubber composition Fumito Yatsuyanagi, Kazunori Ishikawa, Yoshiaki Hashimura, Hiroyuki Kaido 2003-02-25
6397912 Pneumatic tire with colored thermoplastic elastomer layer adjacent a black-concealing layer Jiro Watanabe, Noriaki Kuroda, Gou Kawaguchi, Hidekazu Takeyama, Yoshihiro Soeda +3 more 2002-06-04