Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6098756 | Guide rail lubricating device for elevator, and case and oil-retaining member for the lubricating device | Masaki Nakano, Tomoharu Onishi, Tokiji Tamaru, Shigeyuki Sato, Atsushi Hotta | 2000-08-08 |