Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11542879 | EGR device | Kenichi Yamamoto, Kenji Hijikata, Masafumi Hanazawa, Tomomichi Shiono, Noriyuki Matsuda | 2023-01-03 |
| 11300079 | Diagnostic apparatus for evaporative fuel processing system | Masahiro Ono | 2022-04-12 |
| 11111883 | Diagnostic apparatus for evaporative fuel processing system | Masahiro Ono | 2021-09-07 |
| 10837409 | Purge system malfunction diagnosis device | Masahiro Ono, Naoki Matsumoto, Kazunori Takahashi | 2020-11-17 |
| 10774790 | Purge system malfunction diagnosis device | Naoki Matsumoto, Atsushi Kaneko, Yoshitaka Ono | 2020-09-15 |