Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6281625 | Fluorescent lamp with specific protective film | Yoshinori Otaka, Toyokazu Amano, Fumihiro Inagaki | 2001-08-28 |
| 5961919 | Deodorizing and sterilizing device having catalyst deterioration sensing function | Akiyoshi Hattori, Nobuyuki Yoshiike, Akihiko Yoshida | 1999-10-05 |
| 5511006 | Method and apparatus for determining an air quality level | Nobuyuki Yoshiike | 1996-04-23 |
| 5261596 | Air quality conditioning system | Nobuyuki Yoshiike | 1993-11-16 |
| 5015616 | Composition for catalytically cleaning exhaust gas and to improve the sensitivity of sensors | Satoshi Sekido, Yasuharu Yamamura | 1991-05-14 |
| 4692429 | Catalyst composition and multi-functional sensor | Satoshi Sekido, Yasuharu Yamamura | 1987-09-08 |
| 4601883 | Sensor element | Satoshi Sekido, Yoshito Ninomiya | 1986-07-22 |
| 4485191 | Catalysts for converting reductive and oxidative gases in exhaust gases into innoxious gases | Satoshi Sekido, Yoshito Ninomiya | 1984-11-27 |