RI

Ryuji Izumoto

Bridgestone: 13 patents #150 of 2,860Top 6%
Overall (All Time): #380,681 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10011146 Non-pneumatic tire Hiroyuki Fudemoto, Hidefumi Kotsubo 2018-07-03
9623702 Non-pneumatic tyre Hiroyuki Fudemoto, Hidefumi Kotsubo 2017-04-18
9511631 Non-pneumatic tire Hiroyuki Fudemoto, Hidefumi Kotsubo 2016-12-06
9511632 Non-pneumatic tire Hiroyuki Fudemoto, Hidefumi Kotsubo 2016-12-06
8453683 Sealing and pump-up device Masaki Yoshida, Yuji Takeda, Yusuke Inoue, Takahiko Kojima 2013-06-04
8201586 Sealing pump-up device Masaki Yoshida, Shinichi Iwasaki 2012-06-19
7981940 Method of treating sealing compound and apparatus for treating the same Shinichi Iwasaki, Daisuke Sugio 2011-07-19
7960448 Method for producing puncture sealant Narukuni Hirata 2011-06-14
7926521 Sealing agent injecting apparatus, sealing agent injecting method and sealing pump up apparatus Daisuke Sugio, Masaki Yoshida, Yuji Takeda 2011-04-19
7589135 Puncture sealing agent Daisuke Sugio, Kazuma Nakazawa 2009-09-15
D544895 Apparatus for repairing punctured tires Shinichi Iwasaki, Masaki Yoshida 2007-06-19
6335377 Reclaimed rubber and process for reclaiming vulcanized rubber Nobumitsu Ohshima 2002-01-01
5975173 Pneumatic tire using fiber composite material Teruo Miura, Koshiro Monji, Shinichi Iwasaki, Kentaro Fujino, Masayuki Ohashi 1999-11-02