Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12253180 | Valve device | Yasuhiro Tochigi, Toshiaki Fujitani | 2025-03-18 |
| 11378195 | Reed valve | Shingo Karino, Toshiaki Fujitani, Mitsukuni Oyama | 2022-07-05 |
| 7891331 | Synthetic resin tube structure | — | 2011-02-22 |
| 7249582 | Intake apparatus | Kazuyori Kito | 2007-07-31 |