Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244060 | Elevator apparatus | Masakatsu Tanaka, Masayuki Shigeta, Jun Sugahara, Ichiro Nakamura | 1993-09-14 |
| 5154261 | Electromagnetic disc brake for elevator lifting apparatus | Masakatsu Tanaka, Toshihiko Nara, Tasuhiko Takahashi | 1992-10-13 |
| 5090515 | Passenger transport installation, vehicle for use therein, and method of operating said installation | Tastuhiko Takahashi, Jun Sugahara, Toshihiko Nara, Yuki YAMAMOTO, Yoshinari Atsumi +7 more | 1992-02-25 |
| 5067593 | Braking device for elevator winding machine and elevator using the braking device | Masakatsu Tanaka, Noboru Arabori, Toshihiko Nara, Tastuhiko Takahashi, Katutaro Masuda +1 more | 1991-11-26 |
| 5025896 | Elevator control apparatus | Noboru Arabori, Hideaki Takahashi, Yoshio Sakai, Masao Nakazato, Masakatsu Tanaka +3 more | 1991-06-25 |