Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041566 | Seal structure, sealing method, and coupling equipped with said seal structure | Koji Hiramatsu, Michio Yamaji, Kunihiko Daido, Tadayuki Yakushijin, Takashi Funakoshi | 2021-06-22 |