Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5193651 | Elevator apparatus | Masayuki Shigeta, Tadashi Shibata, Jun Sugahara, Kiyoyasu Mitsumori | 1993-03-16 |
| 5154261 | Electromagnetic disc brake for elevator lifting apparatus | Masakatsu Tanaka, Masanobu Itoh, Tasuhiko Takahashi | 1992-10-13 |
| 5090515 | Passenger transport installation, vehicle for use therein, and method of operating said installation | Tastuhiko Takahashi, Jun Sugahara, Yuki YAMAMOTO, Yoshinari Atsumi, Hideaki Seki +7 more | 1992-02-25 |
| 5086882 | Elevator apparatus provided with guiding device used for preventing passenger cage vibration | Jun Sugahara, Hideaki Takahashi | 1992-02-11 |
| 5067593 | Braking device for elevator winding machine and elevator using the braking device | Masakatsu Tanaka, Masanobu Itoh, Noboru Arabori, Tastuhiko Takahashi, Katutaro Masuda +1 more | 1991-11-26 |
| 4846309 | Elevator hoisting apparatus | Tastuhiko Takahashi, Masakatsu Tanaka, Yusho Maue, Naoyuki Tanaka, Masaaki Isono +1 more | 1989-07-11 |
| 4830146 | Fluid-pressure elevator | Ichiro Nakamura | 1989-05-16 |
| 4775031 | Hydraulic elevator and control method thereof | Ichiro Nakamura, Satoshi Kobayashi | 1988-10-04 |