Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10451175 | Oil jet arm and method for lubricating chain span employing said oil jet arm, and chain tensioning device and method for lubricating chain span employing said chain tensioning device | — | 2019-10-22 |
| 9022887 | Clip-type tensioner | — | 2015-05-05 |
| 8562465 | Clip-type tensioner | — | 2013-10-22 |
| 8197369 | Hydraulic tensioner | — | 2012-06-12 |
| 6680129 | Steel composition | Yumin Wang, Yoshito Hanayama, Doug Fornell, Naosumi Tada | 2004-01-20 |
| 6607850 | Hard steel articles | Yumin Wang, Yoshito Hanayama, Doug Fornell, Naosumi Tada | 2003-08-19 |
| 6582765 | Carbide coated steel articles and method of making them | Yumin Wang, Yoshito Hanayama, Doug Fornell, Naosumi Tada | 2003-06-24 |