Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9989032 | Control device for spark ignition type internal combustion engine | Katsumi Uchida, Yuta Shima, Akira Nakajima, Takeshi Serizawa, Yuji Ikeda | 2018-06-05 |
| 9587618 | Spark ignition internal combustion engine | Yuji Ikeda, Atsushi Nishiyama, Takeshi Serizawa | 2017-03-07 |
| 9523342 | Ignition device for spark-ignition internal combustion engine | Yuji Ikeda, Atsushi Nishiyama, Takeshi Serizawa | 2016-12-20 |
| 9347420 | Barrier discharge device | Yoonho Kim, Takeshi Serizawa, Akira Nakajima | 2016-05-24 |