Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398822 | Valve | Takahiro Ejima, Kohei Fukudome, Keigo Shirafuji | 2025-08-26 |
| 12298048 | Expansion valve | Kohei Fukudome, Toshinori Kanzaki, Keigo Shirafuji, Keichi Urushiyama, Takahiro Ejima +2 more | 2025-05-13 |
| 12196464 | Valve | Takahiro Ejima, Kohei Fukudome, Keigo Shirafuji | 2025-01-14 |
| 11598437 | Capacity control valve | Takahiro Ejima, Kohei Fukudome, Keigo Shirafuji | 2023-03-07 |