| 5155671 |
Power converter with current-type inverter |
Hiromi Inaba, Kiyoshi Nakamura, Sadao Hokari, Yoshio Sakai, Naoyuki Outi +1 more |
1992-10-13 |
| 4884182 |
Current source power converting apparatus with overvoltage protection |
Kiyoshi Nakamura, Toshisuke Mine, Hiromi Inaba, Toshiaki Kurosawa, Masao Nakazato +1 more |
1989-11-28 |
| 4833586 |
PWM control for power converter system utilizing pulse dropping at minimum pulse widths |
Hiromi Inaba, Seiya Shima, Toshiaki Kurosawa, Nobuo Mitsui |
1989-05-23 |
| 4787021 |
Current-type converter apparatus |
Sadao Hokari, Kiyoshi Nakamura, Katsu Komuro, Hiromi Inaba, Shigeta Ueda |
1988-11-22 |
| 4779709 |
Apparatus for controlling AC elevators |
Nobuo Mitsui, Yoshio Sakai, Masao Nakazato, Mitsuyuki Honbu, Shigeta Ueda +5 more |
1988-10-25 |
| 4757436 |
Current-type converter protecting apparatus |
Shigeta Ueda, Mitsuyuki Hombu, Kazuhiko Sasaki, Kazuo Honda, Hideaki Takahashi |
1988-07-12 |
| 4636932 |
dv/dt Protection circuit device for an AC-DC converter apparatus |
Toshiaki Kurosawa, Seiya Shima, Hiromi Inaba, Hajime Nakashima, Toshisuke Mine |
1987-01-13 |
| 4629034 |
Elevator control apparatus |
Hiromi Inaba, Hajime Nakashima, Hisakatsu Kiwaki, Akiteru Ueda, Toshiaki Kurosawa +1 more |
1986-12-16 |
| 4584636 |
AC-to-DC power converter with improved power factor and overvoltage suppression |
Toshiaki Kurosawa, Hiroaki Kuroha, Yoshio Sakai |
1986-04-22 |
| 4553640 |
Controller for elevator |
Hiromi Inaba, Seiya Shima, Toshiaki Kurosawa, Yasunori Katayama, Takanobu Hatakeyama +1 more |
1985-11-19 |
| 4361866 |
Power converter apparatus |
Seiya Shima, Hiroaki Kuroha, Toshiaki Kurosawa, Hiromi Inaba, Yoshio Sakai |
1982-11-30 |
| 4263988 |
Speed control system for a motor |
Hiromi Inaba, Seiya Shima, Toshiaki Kurosawa, Hiroaki Kuroha |
1981-04-28 |
| 4256204 |
Safety apparatus for elevator system |
Seiya Shima, Toshiaki Kurosawa, Hiromi Inaba, Hiroaki Kuroha, Hideo Miyao +2 more |
1981-03-17 |