Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11492952 | Catalyst degradation detection apparatus | Kenji Furui, Go Hayashita | 2022-11-08 |
| 11434806 | Catalyst deterioration detection system | Kenji Furui, Go Hayashita | 2022-09-06 |
| 11105242 | Exhaust gas purification device | Yasushi TAKAYAMA | 2021-08-31 |
| 9718053 | Porous honeycomb structure and producing the same | Tomohiko Nakanishi, Kensuke TAKIZAWA | 2017-08-01 |
| 9550169 | Honeycomb structure body and method of producing the same | — | 2017-01-24 |
| 6223716 | Fuel control system for cylinder injection type internal combustion engine | — | 2001-05-01 |
| 6086510 | Engine-output control unit | — | 2000-07-11 |
| 6076502 | Exhaust gas recirculation control system for internal combustion engines | Hideaki Katashiba, Hironori Matsumori, Hirofumi Ohuchi, Wataru Fukui, Ryoji Nishiyama | 2000-06-20 |
| 6041757 | Inter-cylinder-injection fuel controller for an internal combustion engine | — | 2000-03-28 |
| 6029622 | Fuel control method and system for cylinder injection type internal combustion engine | Kazutoshi Noma | 2000-02-29 |
| 6030316 | Drive by wire fail safe control to fix the vehicle speed at a preset speed | — | 2000-02-29 |
| 5988138 | Inter-cylinder-injection fuel controller for an internal combustion engine | — | 1999-11-23 |
| 5983862 | Combustion control system for internal combustion engine | Ryoji Nishiyama, Hideaki Katashiba | 1999-11-16 |
| 5957107 | Fuel injection control method for cylinder injection type internal combustion engine and system for carrying out the same | — | 1999-09-28 |
| 5904129 | Control device for cylinder injection type internal-combustion engine | — | 1999-05-18 |
| 5878713 | Fuel control system for cylinder injection type internal combustion engine | — | 1999-03-09 |
| 5666924 | Malfunction diagnosis device for fuel-evaporated-gas processing device | — | 1997-09-16 |
| 5635633 | Self-diagnosis apparatus using a pressure sensor | — | 1997-06-03 |
| 5625143 | Misfire detector for internal combustion engine | — | 1997-04-29 |
| 5462034 | Intensive self-diagnosing system for engine exhaust gas control components and systems | — | 1995-10-31 |
| 5318003 | Air-fuel ratio control unit for engine | — | 1994-06-07 |
| 5190009 | Control device for an engine of an automobile | — | 1993-03-02 |
| 5152178 | Engine control apparatus | — | 1992-10-06 |
| 4678967 | Fluorescent display panel | — | 1987-07-07 |