Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215179 | Conjugated diene-based polymer, branching agent, production method for conjugated diene-based polymer, oil extended conjugated diene-based polymer, rubber composition, and tire | Kenta Hisamura, Shinichi Sekikawa, Miki Kyo, Shuri Tobo | 2025-02-04 |
| 12043741 | Conjugated diene-based polymer composition and tire | Shinichi Sekikawa, Kenta Hisamura, Yoshifumi Araki | 2024-07-23 |