Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10947472 | Lubricant base oil for power transmission | Akinobu Takegami, Yasuyuki Kawahara, Jun Itsuki | 2021-03-16 |
| 9663741 | Lubricant base oil for fluid bearing | Yasuyuki Kawahara, Hiroshi Ishida | 2017-05-30 |
| 8575749 | Semiconductor device and method for fabricating the same | — | 2013-11-05 |