Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10890575 | Lubricant deterioration detection device and lubricant deterioration state evaluation method | Takenobu Inaba, Taisuke MARUYAMA | 2021-01-12 |
KH
Koichi Hachiya
Overall (2021): #371,119 of 548,734Top 70%
1
Patents 2021