Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6488836 | CO gas sensor and method of using same | Toshihide Nakata, Katsuhiko Saguchi, Keiji Kunimatsu | 2002-12-03 |
| 6090268 | CO gas sensor and CO gas concentration measuring method | Keiji Kunimatsu | 2000-07-18 |