Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161310 | Heat-caulking device | Hiroshi Ishikawa, Yoshinori Tsurugai, Yuichi Tajiri, Shigeto Akahori, Satoshi Shiozaki +1 more | 2021-11-02 |
| 10369749 | Thermal caulking device | Yoshinori Tsurugai, Hiroshi Ishikawa, Yuichi Tajiri, Shigeto Akahori, Satoshi Shiozaki | 2019-08-06 |