Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7115845 | Superheated steam generator | Masaaki Nomura, Yuzuru Marukuni | 2006-10-03 |
| 5234079 | Ropeless linear motor elevator system | — | 1993-08-10 |
| 5153389 | Two stage electromagnetic braking device for an elevator | — | 1992-10-06 |
| 4987977 | Control apparatus for A.C. elevator | — | 1991-01-29 |
| 4984659 | Elevator control apparatus | — | 1991-01-15 |
| 4974703 | Elevator control apparatus | — | 1990-12-04 |
| 4741415 | Control system for an AC elevator | — | 1988-05-03 |
| 4667776 | Control apparatus for A-C elevator | — | 1987-05-26 |
| 4667777 | Control apparatus for A.C. elevator | — | 1987-05-26 |
| 4548299 | AC elevator control system | — | 1985-10-22 |
| 4545464 | Apparatus for controlling an A-C power elevator | — | 1985-10-08 |
| 4527663 | Apparatus for controlling an AC power elevator | — | 1985-07-09 |
| 4503938 | AC elevator control system | — | 1985-03-12 |
| 4484664 | Emergency drive device for an A.C. elevator | — | 1984-11-27 |
| 4482031 | AC elevator control apparatus | Masayuki Yoshida, Hiroyuki Ikejima | 1984-11-13 |
| 4479565 | Control apparatus for a.c. elevator | — | 1984-10-30 |
| 4478315 | Apparatus for operating an AC power elevator | — | 1984-10-23 |
| 4475631 | AC Elevator control system | — | 1984-10-09 |
| 4471855 | Control device for an A.C. elevator | — | 1984-09-18 |
| 4454930 | Apparatus for controlling an AC power elevator | Hiroyuki Ikejima | 1984-06-19 |
| 4432439 | Elevator system | William R. Caputo | 1984-02-21 |
| 4376471 | Emergency apparatus for elevator | Hideo Uchino, Takaaki Aoi, Masumi Kanbe | 1983-03-15 |