Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9123218 | Fire control panel with a display unit for displaying system information | Katsuhide Tsubokawa | 2015-09-01 |
| D717194 | Fire alarm panel | Masaru Nishina, Katsuhide Tsubokawa | 2014-11-11 |