Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4958707 | Elevator control system | Kenzi Yoneda, Kazuhiro Sakata, Mitsuo Munakata, Masato Suzuki | 1990-09-25 |
| 4872532 | Signal transmission method and system in elevator equipment | Toshimitsu Tobita, Hiromi Inaba, Masachika Yamazaki, Masato Suzuki, Yuzo Morita +2 more | 1989-10-10 |