Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4541900 | Method for heating solid electrolyte | Shigeo Soejima | 1985-09-17 |
| 4519870 | Method for producing a single crystal | Soichiro Matsuzawa | 1985-05-28 |
| 4507394 | High electric resistant zirconia and/or hafnia ceramics | Shigeo Soejima | 1985-03-26 |
| 4505803 | Oxygen concentration detector | Shigeo Soejima | 1985-03-19 |
| 4505805 | Oxygen concentration detector | Shigeo Soejima | 1985-03-19 |
| 4505790 | Oxygen concentration regulation | Shigeo Soejima | 1985-03-19 |
| 4505783 | Oxygen concentration detector and method of using same | Shigeo Soejima | 1985-03-19 |
| 4505802 | Oxygen concentration detector | Shigeo Soejima | 1985-03-19 |
| 4505804 | Oxygen concentration detector | Shigeo Soejima | 1985-03-19 |
| 4444615 | Method for producing a single crystal | Soichiro Matsuzawa | 1984-04-24 |
| 4407704 | Oxygen concentration detector and a method of detecting oxygen concentration | Shigeo Soejima | 1983-10-04 |
| 4402787 | Method for producing a single crystal | Soichiro Matsuzawa | 1983-09-06 |
| 4370393 | Solid electrolytes | Tetsuo Watanabe, Shigeo Soejima | 1983-01-25 |
| 4360598 | Zirconia ceramics and a method of producing the same | Tadashi Otagiri, Tetsuo Watanabe | 1982-11-23 |
| 4357223 | Oxygen sensing device | Shuichiro Oki | 1982-11-02 |
| 4339301 | Method for producing a single crystal of ferrite | Soichiro Matsuzawa | 1982-07-13 |