Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10804682 | Spark plug | Takashi Sekizawa, Tomokatsu Kashima | 2020-10-13 |
YS
Yasushi Sakakura
Overall (2020): #217,527 of 565,922Top 40%
1
Patents 2020