Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5090515 | Passenger transport installation, vehicle for use therein, and method of operating said installation | Jun Sugahara, Toshihiko Nara, Yuki YAMAMOTO, Yoshinari Atsumi, Hideaki Seki +7 more | 1992-02-25 |
| 5067593 | Braking device for elevator winding machine and elevator using the braking device | Masakatsu Tanaka, Masanobu Itoh, Noboru Arabori, Toshihiko Nara, Katutaro Masuda +1 more | 1991-11-26 |
| 4846309 | Elevator hoisting apparatus | Toshihiko Nara, Masakatsu Tanaka, Yusho Maue, Naoyuki Tanaka, Masaaki Isono +1 more | 1989-07-11 |