Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11084326 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura | 2021-08-10 |
| 11077711 | Rubber composition and pneumatic tire | Wataru Sakai, Takuma Arikawa, Ryosuke Sakai, Yu Shinke, Yuko Sekine | 2021-08-03 |
| 10934427 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura | 2021-03-02 |
| 10919341 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura | 2021-02-16 |
| 10759225 | Rubber composition and pneumatic tire manufactured using same | Yuko Sekine, Makoto Ashiura, Ryosuke Sakai | 2020-09-01 |
| 10689508 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura | 2020-06-23 |
| 10675915 | Rubber composition and pneumatic tire manufactured using same | Yuko Sekine, Makoto Ashiura, Ryosuke Sakai | 2020-06-09 |
| 10676599 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura | 2020-06-09 |
| 10669408 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura | 2020-06-02 |
| 10669407 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura, Ryosuke Sakai | 2020-06-02 |
| 10494512 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura, Ryosuke Sakai | 2019-12-03 |
| 10494511 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura, Ryosuke Sakai | 2019-12-03 |
| 10487198 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura, Ryosuke Sakai | 2019-11-26 |
| 10487197 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura, Ryosuke Sakai | 2019-11-26 |
| 10472503 | Rubber composition and pneumatic tire using same | Yuko Sekine, Makoto Ashiura, Ryosuke Sakai | 2019-11-12 |
| 8034868 | Rubber composition containing modified conjugated diene-based polymer bonded to fullerene | Makoto Ashiura, Tetsuji Kawazura | 2011-10-11 |
| 6916888 | Rubber composition | Kazunori Ishikawa, Shuichi Fukutani | 2005-07-12 |
| 6849674 | Rubber composition | Kazunori Ishikawa, Shuichi Fukutani | 2005-02-01 |
| 6525110 | Polysiloxane-containing rubber composition | Kazunori Ishikawa, Yoshiaki Hashimura, Tetsuji Kawazura, Hiroyuki Kaido | 2003-02-25 |
| 6518367 | Rubber composition | Kazunori Ishikawa, Shuichi Fukutani | 2003-02-11 |
| 6465579 | Silica-polymer composite, method of production thereof, and rubber composition using the same | Keisuke Chino, Hidekazu Onoi | 2002-10-15 |
| 6433066 | Rubber composition | Yoshiaki Kirino | 2002-08-13 |
| 6337361 | Polysiloxane-containing rubber composition | Kazunori Ishikawa, Yoshiaki Hashimura, Tetsuji Kawazura, Hiroyuki Kaido | 2002-01-08 |
| 6329460 | Polysiloxane composition and rubber composition and resin composition | Kazunori Ishikawa, Hiroyuki Kaido, Naoya Adachi | 2001-12-11 |
| 6310158 | Sulfur-vulcanizable butyl rubber and rubber composition containing the same | Kazunori Ishikawa | 2001-10-30 |