Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9810167 | Catalyst advanced warmup control device for spark ignition engine | Tomomi Watanabe, Shigeyuki Hirashita, Keiji Araki | 2017-11-07 |
NK
Naoki Kishikawa
Overall (All Time): #2,973,275 of 4,157,543Top 75%
1
Patents All Time