Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10073127 | Surface potential sensor and copying machine | — | 2018-09-11 |
| 4719886 | Internal combustion engine siamese port type intake system construction with deflection valve additional to intake control valve | Takeshi Kotani | 1988-01-19 |
| 4694794 | Method and device for control of internal combustion engine variable swirl air fuel intake system with direct helical intake passage | Kenji Kato, Kiyoshi Nakanishi | 1987-09-22 |
| 4682577 | Method and apparatus for reducing NOx in internal combustion engine | Kenji Kato, Tokuta Inoue, Kiyoshi Nakanishi | 1987-07-28 |