Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11898478 | Exhaust pipe | Shigeru Ogawa | 2024-02-13 |
| 10465590 | Changeover valve | Munehiro Tsubosaka, Yasushi Okamoto, Kazuya Okamoto, Yasufumi Umeno | 2019-11-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11898478 | Exhaust pipe | Shigeru Ogawa | 2024-02-13 |
| 10465590 | Changeover valve | Munehiro Tsubosaka, Yasushi Okamoto, Kazuya Okamoto, Yasufumi Umeno | 2019-11-05 |