Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084003 | Ozone detecting device | Takashi Miwa, Yasuko Maruo, Jiro Nakamura, Seizo Sakata | 2011-12-27 |
| 7976781 | Ozone detecting device | Yasuko Maruo, Takashi Miwa, Jiro Nakamura | 2011-07-12 |
| D561187 | Detection card | Yasuko Maruo, Shigeo Ogawa, Jiro Nakamura, Shigekazu Uematsu, Tohru Tanaka +2 more | 2008-02-05 |