Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8421486 | Oil-degradation detecting apparatus | Yo Akiyama, Akihiko Yano, Yoshihiro Deguchi, Taketoshi Yamaura | 2013-04-16 |
| 8224600 | Method of monitoring deterioration of lubricating oil and device therefore | Yo Akiyama, Akihiko Yano | 2012-07-17 |