Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215091 | Method for producing methylene disulfonate compound | Seiya Ashibe | 2025-02-04 |
| 11802119 | Method for producing cyclic disulfonic acid ester compound | Seiji Bando, Seiya Ashibe | 2023-10-31 |
| D827589 | Heat sink | Seiji Bando | 2018-09-04 |