Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7926323 | Thermal conductivity measuring method and apparatus, and gas component ratio measuring apparatus | Yasuharu Ooishi, Shigeru Aoshima, Nobuyoshi Shingyouji, Yasue Hayashi | 2011-04-19 |
| 5720607 | Ignitor | Yasuhiro Oya, Nobumasa Iguchi | 1998-02-24 |
| 4247880 | Ignition device for oil burners | — | 1981-01-27 |