Hatcho; Seiji
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hatcho; Seiji.The latest application filed is for "air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto".
- Hatcho; Seiji - Wako JP
| Patent | Date |
|---|---|
| Air-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable thereto Grant 5,678,402 - Kitagawa , et al. October 21, 1 | 1997-10-21 |
| Air-fuel ratio control system for internal combustion engines Grant 5,655,363 - Ito , et al. August 12, 1 | 1997-08-12 |
| Exhaust gas-purifying system for internal combustion engines Grant 5,600,949 - Kato , et al. February 11, 1 | 1997-02-11 |
| Capacity determining system in exhaust emission control unit for internal combustion engine Grant 5,555,724 - Hatcho , et al. September 17, 1 | 1996-09-17 |
| Exhaust gas-purifying system for internal combustion engines Grant 5,544,482 - Matsumoto , et al. August 13, 1 | 1996-08-13 |
| Ignition timing control system for internal combustion engines Grant 5,501,073 - Miyashita , et al. March 26, 1 | 1996-03-26 |
| Exhaust gas-purifying system for internal combustion engines Grant 5,467,594 - Aoki , et al. November 21, 1 | 1995-11-21 |
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