Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872532 | Signal transmission method and system in elevator equipment | Toshimitsu Tobita, Hiromi Inaba, Masachika Yamazaki, Masato Suzuki, Toshiki Kajiyama +2 more | 1989-10-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872532 | Signal transmission method and system in elevator equipment | Toshimitsu Tobita, Hiromi Inaba, Masachika Yamazaki, Masato Suzuki, Toshiki Kajiyama +2 more | 1989-10-10 |