Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810167 | Catalyst advanced warmup control device for spark ignition engine | Tomomi Watanabe, Naoki Kishikawa, Keiji Araki | 2017-11-07 |
SH
Shigeyuki Hirashita
Overall (2017): #245,596 of 506,227Top 50%
1
Patents 2017