Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10027093 | Spark plug | Tsutomu Kobayashi | 2018-07-17 |
| 10008834 | Method for manufacturing spark plug | Junji Kimura | 2018-06-26 |
KO
Keiji Ozeki
Overall (2018): #129,708 of 503,207Top 30%
2
Patents 2018