Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5892190 | Method and system of controlling elevators and method and apparatus of inputting requests to the control system | Yuzo Morita, Kiyoshi Nakamura, Atsuya Fujino, Soshiro Kuzunuki, Kotaro Hirasawa +5 more | 1999-04-06 |
| 5409085 | Group control elevator system for automatically adjusting elevator operation based on a evaluation function | Atsuya Fujino, Hiromi Inaba, Kiyoshi Nakamura, Yoshio Sakai, Kenji Yoneda +1 more | 1995-04-25 |
| 5307903 | Method and system of controlling elevators and method and apparatus of inputting requests to the control system | Yuzo Morita, Kiyoshi Nakamura, Atsuya Fujino, Soshiro Kuzunuki, Kotaro Hirasawa +5 more | 1994-05-03 |
| 5283399 | Group control of elevator system improvement measures | Atsuya Fujino, Hiromi Inaba, Kenzi Yoneda, Hiroaki Yamani | 1994-02-01 |
| 5239141 | Group management control method and apparatus for an elevator system | Atsuya Fujino, Hiromi Inaba, Kiyoshi Nakamura, Kenzi Yoneda, Takaaki Ueshima | 1993-08-24 |
| 5042620 | Elevator control system | Kenzi Yoneda, Yoshio Sakai, Hiroshi Matsumaru, Seiji Yasunobu | 1991-08-27 |
| 5010472 | Customer participatory elevator control system | Kenzi Yoneda, Takaaki Ueshima, Soshiro Kuzunuki, Yuzo Morita | 1991-04-23 |
| 4989694 | Elevator group supervisory system | Takaaki Ueshima, Kenji Yoneda, Naobumi Nakata, Soshiro Kuzunuki, Yuzo Morita +3 more | 1991-02-05 |
| 4947965 | Group-control method and apparatus for an elevator system with plural cages | Soshiro Kuzunuki, Yuzo Morita, Kenzi Yoneda, Takaaki Ueshima, Atsuya Fujino | 1990-08-14 |
| 4872532 | Signal transmission method and system in elevator equipment | Hiromi Inaba, Masachika Yamazaki, Masato Suzuki, Yuzo Morita, Toshiki Kajiyama +2 more | 1989-10-10 |
| 4870556 | Method and apparatus for controlling power converter | Hiromi Inaba, Seiya Shima, Toshiaki Kurosawa, Mitsuyuki Hombu, Nobuo Mitsui | 1989-09-26 |
| 4829416 | Apparatus for controlling power transducers of the pulse width modulation (PWM) control type | Hiromi Inaba, Seiya Shima, Sadao Hokari, Hideaki Takahashi, Shigeta Ueda | 1989-05-09 |