Issued Patents All Time
Showing 1–6 of 6 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 | Shogo Sumitani, Kenta Hisamura, Shinichi Sekikawa, Shuri Tobo | 2025-02-04 |
| 11414503 | Modified conjugated diene-based polymer, rubber composition, and tire | Shinichi Sekikawa | 2022-08-16 |
| 11207918 | Modified conjugated diene-based polymer and rubber composition thereof, and tire | Shinichi Sekikawa | 2021-12-28 |
| 11091609 | Modified conjugated diene-based polymer, production method thereof, rubber composition and tire | Kenta Hisamura | 2021-08-17 |
| 10519254 | Modified conjugated diene-based polymer and production method therefor, rubber composition and tire | Shinichi Sekikawa, Hiromi Nakafutami | 2019-12-31 |
| 10434821 | Modified conjugated diene-based polymer and production method therefor, rubber composition and tire | Shinichi Sekikawa | 2019-10-08 |