Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11181220 | Metal diaphragm damper and manufacturing method for the same | Yusuke Sato, Yoshihiro Ogawa | 2021-11-23 |
| 10883462 | Damper device with a plurality of stacked diaphragms coupled together by a coupler having holders forming a space provided between a peripheral weld of the diaphragms and the coupler | Takeyuki Yabuuchi, Shinichi Sugimoto, Osamu Hishinuma, Hiroatsu Yamada, Yoshihiro Ogawa +1 more | 2021-01-05 |