Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7361258 | Sensor element and gas sensor | Kaname Miwa, Katsuhiko Horii | 2008-04-22 |
| 7306657 | Oxygen concentrating apparatus | Junichi Akiyama | 2007-12-11 |
| 7077133 | Oxygen enriching apparatus, controller, and recording medium | Junichi Akiyama | 2006-07-18 |
| 7017575 | Oxygen supply apparatus, controller for the oxygen supply apparatus, and recording medium for the controller | Junichi Akiyama | 2006-03-28 |
| 6837244 | Oxygen enriching apparatus, controller for the oxygen enriching apparatus, and recording medium for the controller | Takahito Kojima, Junichi Akiyama | 2005-01-04 |
| 6733644 | Gas sensor and gas sensor unit | Takehiko Saiki, Keiichi Ichikawa | 2004-05-11 |
| 6453723 | Gas sensor device | Keiichi Ichikawa, Takehiko Saiki | 2002-09-24 |
| 6143637 | Process for production of semiconductor device and cleaning device used therein | — | 2000-11-07 |
| 6007697 | Method for cleaning a limiting current type gas sensor | Katsuhiko Horii | 1999-12-28 |
| 5348630 | Method of measuring humidity using an electrochemical cell | Katsuhiko Horii | 1994-09-20 |
| 5281314 | Method of measuring humidity by using an electrochemical cell | Katsuhiko Horii | 1994-01-25 |
| 4801211 | Humidity and dew point detector | Takahito Kojima, Katsuhiko Horii | 1989-01-31 |
| 4737707 | Humidity sensor | Keijiro Mori, Ichiro Shimano, Tooru Onouchi | 1988-04-12 |