Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8039665 | Method for producing fluorine-containing carboxylic acid ester | — | 2011-10-18 |
| 7980978 | Hoisting and lowering driving engagement multi-row chain | Toshihiko Takashima, Tomoyuki Saji, Hiroko Ishida, Masatoshi Sonoda | 2011-07-19 |
| 7921986 | Hoisting and lowering driving engagement multi-row chain | Takahisa Ando, Toshihiko Takashima, Michio Oitaka | 2011-04-12 |