Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10965104 | Spark plug | Kazuki ITO | 2021-03-30 |
| 10958045 | Spark plug | Kazuki ITO | 2021-03-23 |
DS
Daisuke Sumoyama
Overall (2021): #167,801 of 548,734Top 35%
2
Patents 2021