Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10013222 | Image forming system, control method for the same and recording medium | — | 2018-07-03 |
| 9785389 | Image forming system, control method for the same and recording medium | — | 2017-10-10 |
| 9297753 | Photoelectric smoke sensor | Tadayuki Shibuya, Masao Iguchi | 2016-03-29 |