Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10625980 | Elevator device that transmits inspection data when inspection operation after earthquake is interrupted | Yutaka Matsueda, Akihiko Watanabe, Norihiro Chotoku, Masafumi Etoh, Masafumi Ozawa +1 more | 2020-04-21 |
| 10526167 | Restoration information registration device and restoration information registration method for elevators | Masafumi Ozawa, Akihiko Watanabe, Norihiro Chotoku, Yutaka Matsueda, Masafumi Eto +1 more | 2020-01-07 |