Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12326293 | Drainage cap and cold storage | Takumi Nishimura, Eiji Doi, Mitsuyuki Shirata | 2025-06-10 |
| 11221172 | Heat insulation box manufacturing method and heat insulation box | Kenichi Mizumoto | 2022-01-11 |