Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11414300 | Damper for elevator, and elevator | Yutaro Hanawa | 2022-08-16 |
| 9909950 | Method and apparatus for inspecting resin shock absorber | Shinya Naito, Michio Murai | 2018-03-06 |