Yamada; Tetsusyo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yamada; Tetsusyo.The latest application filed is for "air/fuel ratio detector".
- Yamada; Tetsusyo - Aichi JP
- Yamada; Tetsusyo - Nagoya JP
| Patent | Date |
|---|---|
| Air/fuel ratio detector Grant 4,839,018 - Yamada , et al. June 13, 1 | 1989-06-13 |
| Air-fuel ratio sensor Grant 4,836,906 - Yamada , et al. June 6, 1 | 1989-06-06 |
| Plate-like ceramic heater Grant 4,806,739 - Kojima , et al. February 21, 1 | 1989-02-21 |
| Plate-like alumina heater Grant 4,785,150 - Kojima , et al. November 15, 1 | 1988-11-15 |
| Air/fuel ratio sensor apparatus for use with internal combustion engine Grant 4,753,203 - Yamada June 28, 1 | 1988-06-28 |
| Air-fuel ratio sensor Grant 4,624,770 - Yamada , et al. November 25, 1 | 1986-11-25 |
| Air/fuel ratio detector Grant 4,591,421 - Yamada , et al. May 27, 1 | 1986-05-27 |
| Air/fuel ratio detector Grant 4,578,172 - Yamada , et al. March 25, 1 | 1986-03-25 |
| Oxygen sensor Grant 4,505,806 - Yamada March 19, 1 | 1985-03-19 |
| Oxygen sensor Grant 4,505,807 - Yamada March 19, 1 | 1985-03-19 |
| Oxygen sensor Grant 4,498,968 - Yamada , et al. February 12, 1 | 1985-02-12 |
| Oxygen sensor Grant 4,450,065 - Yamada , et al. May 22, 1 | 1984-05-22 |
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