Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6166479 | Spark plug having a spark discharge portion with a specific composition | Wataru Matsutani | 2000-12-26 |
| 6046532 | Spark plug | Wataru Matsutani | 2000-04-04 |
IG
Ichiro Gonda
Overall (All Time): #2,236,596 of 4,157,543Top 55%
2
Patents All Time