Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921986 | Hoisting and lowering driving engagement multi-row chain | Toshihiko Takashima, Takeshi Kondo, Michio Oitaka | 2011-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921986 | Hoisting and lowering driving engagement multi-row chain | Toshihiko Takashima, Takeshi Kondo, Michio Oitaka | 2011-04-12 |