Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11274020 | Door operation controller | Atsushi Yamada, Tomomitsu Sano | 2022-03-15 |
| 10252882 | Elevator motion alert system | Daisuke Meguro, Keiji Hashimoto, Takayuki Suzuki | 2019-04-09 |
| 10239730 | Building sway operation system | — | 2019-03-26 |
| 10233053 | Automatic door switch inspection | Atsushi Yamada | 2019-03-19 |
| 10093518 | Remote inspection of passenger conveyors | Atsushi Yamada | 2018-10-09 |