Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851777 | Hydrogen gas mixing device | Takeshi Katoh, Toru Ishii, Yukio Sasaki | 2023-12-26 |
| 11471841 | Hydrogen gas mixing device | Takeshi Katoh, Toru Ishii, Yukio Sasaki | 2022-10-18 |
| 11285446 | Mixed gas supply device | Hidemi Takahashi, Takeshi Kato, Yuichi Doki | 2022-03-29 |