Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4787021 | Current-type converter apparatus | Sadao Hokari, Kiyoshi Nakamura, Takeki Ando, 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 |
| 4773508 | Elevator control apparatus | Toshisuke Mine, Hideaki Takahashi, Noboru Arabori, Hiromi Inaba | 1988-09-27 |
| 4661757 | Controller for AC elevator | Sadao Hokari, Takamasa Hori, Takanobu Hatakeyama, Toshiroo Narita, Yasunori Katayama +1 more | 1987-04-28 |
| 4441584 | AC Elevator control system | Nobuo Mitsui, Yasuyuki Maeda, Tomiaki Kurihara, Seiya Shima, Takanobu Hatakeyama | 1984-04-10 |
| 4319665 | AC Elevator control system | Sadao Hokari, Yasuyuki Maeda | 1982-03-16 |