Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508637 | Ignition control system | Kaori Doi, Akimitsu Sugiura, Noriaki Nishio, Yuki Murayama | 2019-12-17 |
| 10454252 | Spark plug for internal combustion engine | Daisuke Tanaka, Akimitsu Sugiura | 2019-10-22 |
| 10415533 | Ignition apparatus having circuit to continue spark discharge in an internal combustion engine | Hideaki Kosuge, Shohei Ishida, Shunichi Takeda, Kazuaki Ueda | 2019-09-17 |
| 10361027 | Ignition device | Shota Kinoshita, Kazuki Fukatsu, Akimitsu Sugiura | 2019-07-23 |
| 10247164 | Ignition apparatus | Shota Kinoshita, Akimitsu Sugiura, Kaori Doi | 2019-04-02 |