Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11993489 | Elevator system | — | 2024-05-28 |
| 4901184 | Trip control apparatus of circuit breaker | Kazuhiro Ishii, Yoshihiro Hatakeyama, Kazushi Sato | 1990-02-13 |
AT
Akira Takao
Overall (All Time): #1,763,653 of 4,157,543Top 45%
2
Patents All Time