Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8081533 | Semiconductor memory device | — | 2011-12-20 |
| 7980978 | Hoisting and lowering driving engagement multi-row chain | Toshihiko Takashima, Takeshi Kondo, Tomoyuki Saji, Hiroko Ishida | 2011-07-19 |
| 7942772 | Silent chain | Takayuki Morimoto | 2011-05-17 |