Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10352252 | Air intake device and air intake control valve | Toshiyuki Oiwa, Masato Ishii, Motonobu Hasegawa | 2019-07-16 |
| 10302051 | Intake device | Manaho Yoshida, Masato Ishii | 2019-05-28 |
| 10273871 | Air intake device and valve | Toshiyuki Oiwa, Masato Oishi | 2019-04-30 |
| 10184362 | Intake device of internal combustion engine | Toshiyuki Oiwa | 2019-01-22 |