Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815172 | 1,3-butadiene separation and recovery method and 1,3-butadiene separation and recovery apparatus | Masanobu Kanauchi, Seiji Futamura | 2020-10-27 |
| 10174529 | Handle device for vehicle door | Tadashi Saitou | 2019-01-08 |