Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687756 | Vulcanization accelerator, a means for accelerating vulcanization and an improved rubber product containing said accelerator therein | Akinori Okamoto, Tetsuo Yamaguchi, Eizo Okino | 1987-08-18 |
| 4670489 | Piperidine derivatives, their production and use as stabilizers | Yukoh Takahashi, Tatsuo Kaneoya, Eizo Okino, Yuzo Maegawa, Shinichi Yachigo +1 more | 1987-06-02 |
| 4670488 | Piperidine derivatives, their production and use as stabilizers | Yuzo Maegawa, Yukoh Takahashi, Eizo Okino, Tatsuo Kaneoya, Shinichi Yachigo +1 more | 1987-06-02 |
| 4603159 | Phenolic compounds and stabilizers containing the same | Tamaki Ishii, Shinichi Yachigo, Manji Sasaki, Masahisa Shinoya | 1986-07-29 |
| 4576734 | Stabilizer for synthetic resins | Tamaki Ishii, Shinichi Yachigo, Manji Sasaki, Masahisa Shionoya | 1986-03-18 |
| 4308180 | Sulfide resin for rubber | Tetsuo Yamaguchi, Tamaki Ishii | 1981-12-29 |