Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8084003 | Ozone detecting device | Takashi Miwa, Yasuko Maruo, Tatsuya Kunioka, Seizo Sakata | 2011-12-27 |
| 7976781 | Ozone detecting device | Yasuko Maruo, Takashi Miwa, Tatsuya Kunioka | 2011-07-12 |