Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12269928 | Raw-material supply system and raw-material supply method | Takayuki IHARA, Takashi Fujiwara | 2025-04-08 |
| 5906189 | Evaporative fuel controller for internal combustion engine | Harumi Suzuki, Hitoshi Nakashima | 1999-05-25 |
| 5893353 | Evaporative fuel controller for internal combustion engine | — | 1999-04-13 |
| 5870997 | Evaporative fuel controller for internal combustion engine | — | 1999-02-16 |
| 5647333 | Evaporative fuel control system for an internal combustion engine | — | 1997-07-15 |
| 5435287 | Evaporating fuel control apparatus for internal combustion engine | — | 1995-07-25 |
| 5375579 | Evaporated fuel controller | — | 1994-12-27 |
| 5335638 | Evaporated fuel controller | — | 1994-08-09 |
| 5297528 | Evaporation fuel control apparatus for engine | — | 1994-03-29 |
| 5297527 | Diagnosing apparatus of evaporation fuel control system of vehicle | Harumi Suzuki, Hitoshi Nakashima | 1994-03-29 |
| 5269279 | Evaporating fuel control device for vehicles | Harumi Suzuki, Hitoshi Nakashima | 1993-12-14 |