Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7810238 | Optimum number of teeth setting method for helical gear pair and helical gear pair manufactured by this method | Toshiki HIROGAKI, Eiichi Aoyama, Yuusuke Nakano | 2010-10-12 |