Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7036298 | Rope for elevator and method for manufacturing the rope | — | 2006-05-02 |
| 6591945 | Self propelled elevator | Hiroshi Kigawa, Takashi Yumura | 2003-07-15 |
| 6302239 | Elevator apparatus with hoisting machine beneath elevator car | — | 2001-10-16 |
| 5117945 | Counterweight apparatus for a traction-type elevator | — | 1992-06-02 |
| 5109958 | Brake unit for an elevator hoist apparatus | Kunio Kato, Yasumasa Iida, Kazuhiko Sugita, Shinji Yamasaki | 1992-05-05 |
| 4960186 | Elevator hoist apparatus with an outer rotor motor | — | 1990-10-02 |
| 4591025 | Traction type elevator system | — | 1986-05-27 |
| 4566562 | Traction elevator apparatus | Katsuhiko Suzuki | 1986-01-28 |