Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670022 | Fuel composition for spark-ignition engine | Katuyuki Yamazaki | 1987-06-02 |
TM
Takeshi Maruya
Idemitsu Kosan Co.: 1 patents #699 of 1,237Top 60%
Overall (All Time): #3,975,612 of 4,157,543Top 100%
1
Patents All Time