Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10833487 | Ignition apparatus for internal combustion engine | Daisuke Tanaka, Daisuke Shimamoto, Naoto Hayashi | 2020-11-10 |
| 10811850 | Spark plug of internal combustion engine | Fumiaki Aoki, Daisuke Tanaka, Ryota Wakasugi, Kanechiyo Terada, Tetsuya Miwa +1 more | 2020-10-20 |
| 10720760 | Spark plug for internal combustion engine | Fumiaki Aoki, Daisuke Tanaka, Ryota Wakasugi, Akimitsu Sugiura, Kanechiyo Terada +1 more | 2020-07-21 |