Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191247 | Polysiloxane composition having superior storage stability and rubber composition containing same | Kazunori Ishikawa, Tetsuji Kawazura | 2001-02-20 |
| 6177505 | Polysiloxane-containing rubber composition | Kazunori Ishikawa, Yoshiaki Hashimura, Tetsuji Kawazura, Hiroyuki Kaido | 2001-01-23 |
| 6147659 | Tire with transponder and transponder for tire | Osamu Takahashi, Kazuhiro Shimura | 2000-11-14 |
| 6140450 | Modified polysiloxanes, rubber compositions and tire tread rubber compositions containing the same, and reactive plasticizer | Kazunori Ishikawa | 2000-10-31 |
| 6121347 | Polysiloxane-containing rubber composition | Kazunori Ishikawa, Yoshiaki Hashimura, Tetsuji Kawazura, Hiroyuki Kaido | 2000-09-19 |
| 6103811 | Polysiloxane-containing tire rubber composition | Shingo Midorikawa, Kazunori Ishikawa | 2000-08-15 |
| 6084015 | Rubber composition | Keisuke Chino, Hiroyuki Kaido, Masahiro Ikawa, Masayoshi Ito | 2000-07-04 |
| 6077899 | Process for production of rubber composition | Hiroyuki Kaido, Tetsuji Kawazura | 2000-06-20 |
| 6033597 | Polysiloxane-containing rubber composition | Kazunori Ishikawa, Yoshiaki Hashimura, Tetsuji Kawazura, Hiroyuki Kaido | 2000-03-07 |
| 6019832 | Process for production of surface-treated carbon black for rubber reinforcement | Tetsuji Kawazura, Masayuki Kawazoe, Shuji Takahashi | 2000-02-01 |
| 5962575 | Rubber composition containing carbon black | Hiroyuki Kaido, Tetsuji Kawazura | 1999-10-05 |
| 5883179 | Rubber composition comprising carbon black surface treated with silica | Masayuki Kawazoe, Tetsuji Kawazura, Kouichi Ikai, Yoshiaki Hashimura, Kazunori Ishikawa | 1999-03-16 |
| 5679728 | Surface-treated carbon black and rubber composition containing same | Tetsuji Kawazura, Hiroyuki Kaido, Kouichi Ikai, Masayuki Kawazoe | 1997-10-21 |