Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8391931 | Mobile communication terminal and communication method | — | 2013-03-05 |
| 8106784 | Combination smoke and heat detector | Tomohiro Katou, Takashi Itou | 2012-01-31 |
| D588485 | Fire detector | Tomohiro Katou, Takashi Itou | 2009-03-17 |
| 5456741 | Air purifier | Toshihiro Takahara, Masakazu Takeichi | 1995-10-10 |