Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105084 | Pyroelectric infrared sensor with different sized effective light receiving electrode areas and a method of manufacturing a dual pyroelectric element used therein | Aisaku Nagai | 1992-04-14 |
| 4258259 | Infrared detector | Hiroshi Obara | 1981-03-24 |
| 4258260 | Pyroelectric infrared detector | Hiroshi Obara, Naohiro Murayama | 1981-03-24 |