Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846309 | Elevator hoisting apparatus | Toshihiko Nara, Tastuhiko Takahashi, Masakatsu Tanaka, Naoyuki Tanaka, Masaaki Isono +1 more | 1989-07-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846309 | Elevator hoisting apparatus | Toshihiko Nara, Tastuhiko Takahashi, Masakatsu Tanaka, Naoyuki Tanaka, Masaaki Isono +1 more | 1989-07-11 |