Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10900459 | Ignition control system and ignition control device | Akimitsu Sugiura, Fumiaki Aoki | 2021-01-26 |
| 10886708 | Spark plug for internal combustion engine | Shintaro Itoh, Daisuke Tanaka, Akimitsu Sugiura, Kaori Doi, Kanechiyo Terada +2 more | 2021-01-05 |
| 10855057 | Spark plug for internal combustion engine | Fumiaki Aoki, Daisuke Tanaka, Akimitsu Sugiura, Tetsuya Miwa, Kanechiyo Terada | 2020-12-01 |
| 10811850 | Spark plug of internal combustion engine | Yuuki Kawata, Fumiaki Aoki, Daisuke Tanaka, Kanechiyo Terada, Tetsuya Miwa +1 more | 2020-10-20 |
| 10720760 | Spark plug for internal combustion engine | Yuuki Kawata, Fumiaki Aoki, Daisuke Tanaka, Akimitsu Sugiura, Kanechiyo Terada +1 more | 2020-07-21 |
| 10641230 | Ignition apparatus of internal combustion engine | Akimitsu Sugiura | 2020-05-05 |
| 10291000 | Ignition apparatus | Akimitsu Sugiura, Kenji Hattori, Shunichi Takeda, Kaori Doi | 2019-05-14 |