Issued Patents All Time
Showing 26–50 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6280588 | NOx-decomposing electrode and NOx concentration-measuring apparatus | Kunihiko Nakagaki, Satoshi Nishikawa | 2001-08-28 |
| 6196053 | Method of measuring a gas component and sensing device for measuring the gas component | Kunihiko Nakagaki | 2001-03-06 |
| 6156175 | Method for producing electrochemical element and electrochemical element | Kunihiko Nakagaki | 2000-12-05 |
| 6134883 | Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means | Hiroshi Kurachi | 2000-10-24 |
| 6120663 | Gas sensor | Yasuhiko Hamada | 2000-09-19 |
| 6093294 | Gas sensor and gas concentration controller | Noriyuki Ina | 2000-07-25 |
| 6083370 | Gas sensor | Yasuhiko Hamada | 2000-07-04 |
| 6076393 | Method of measuring a gas component and sensing device for measuring the gas component | Kunihiko Nakagaki | 2000-06-20 |
| 6059947 | Gas sensor | Yasuhiko Hamada | 2000-05-09 |
| 6045673 | Gas sensor | Kunihiko Nakagaki | 2000-04-04 |
| 6036842 | Gas sensor, method for controlling gas sensor, gas concentration controller, and method for controlling gas concentration | Noriyuki Ina | 2000-03-14 |
| 6036841 | Method for measuring nitrogen oxide | Noriyuki Ina | 2000-03-14 |
| 6026640 | Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means | Hiroshi Kurachi | 2000-02-22 |
| 6017503 | Method of removing NO.sub.x from exhaust gases | Hiroshi Kurachi | 2000-01-25 |
| 6012282 | Method for controlling engine exhaust gas system | Hiroshi Kurachi | 2000-01-11 |
| 6010615 | Gas sensor and method for controlling gas sensor | Yasuhiko Hamada | 2000-01-04 |
| 5997707 | Oxide sensor | Kunihiko Nakagaki | 1999-12-07 |
| 5976335 | Gas sensor having a function for minimizing heater leak current | Yasuhiko Hamada | 1999-11-02 |
| 5953907 | Method of controlling an engine exhaust gas system and method of detecting deterioration of catalyst/adsorbing means | Hiroshi Kurachi | 1999-09-21 |
| 5948963 | Gas sensor | Nobukazu Ikoma, Yasuhiko Hamada | 1999-09-07 |
| 5948964 | NOx sensor and method of measuring NOx | — | 1999-09-07 |
| 5942190 | Oxide sensor | Kunihiko Nakagaki | 1999-08-24 |
| 5939615 | Method of measuring a gas component and sensing device for measuring the gas component | Kunihiko Nakagaki | 1999-08-17 |
| 5928494 | Gas sensor and method of measuring quantity of specific compounds in measuring gas | Noriyuki Ina | 1999-07-27 |
| 5922287 | Combustible gas sensor and method for detecting deterioration of catalyst | Nobukazu Ikoma, Satoshi Nishikawa, Takeya Miyashita | 1999-07-13 |