Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10889465 | Mechanical hoistway access control device | Hiromitsu Miyajima, Takako Fukuyama, Takero Kobari | 2021-01-12 |
| 10882717 | Elevator network for emergency operation | Hiromitsu Miyajima | 2021-01-05 |