Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10298148 | Inverter circuit and distributed power source system including the same | — | 2019-05-21 |
| 9906070 | Distributed power source system with storage battery | — | 2018-02-27 |
| 8354907 | Superconducting coil assembly and magnetic field generating equipment | Atsuko Fukaya, Tomoya Oota | 2013-01-15 |
| 8022797 | Superconducting coil apparatus and inductor-type synchronous machine | Toshio Takeda, Toru Okazaki | 2011-09-20 |
| 7977844 | Inductor-type synchronous machine | Toshio Takeda, Tomoya Oota, Hiroyuki Togawa, Toru Okazaki | 2011-07-12 |
| 7932659 | Superconducting device and axial-type superconducting motor | Toru Okazaki, Shingo Ohashi | 2011-04-26 |
| 7872393 | Axial gap type superconducting motor | Toru Okazaki, Shingo Ohashi, Toshio Takeda | 2011-01-18 |
| 7791246 | Axial motor | Toru Okazaki, Shingo Ohashi | 2010-09-07 |
| 7750524 | Superconductor magnetizing device and superconducting synchronization device | Mitsuru Izumi, Masahiro Kitano | 2010-07-06 |
| 7667358 | Cooling structure of superconducting motor | Toru Okazaki, Shingo Ohashi, Toshio Takeda | 2010-02-23 |
| 7598647 | Inductor-type synchronous machine | Toru Okazaki, Shingo Ohashi, Toshio Takeda | 2009-10-06 |
| 6144139 | Piezoelectric transformer inverter | Takashi Noma, Yasuyuki Morishima | 2000-11-07 |
| 5844403 | Power apparatus | Yasuyuki Morishima | 1998-12-01 |
| 5583752 | Switching power supply for generating a voltage in accordance with an instruction signal | Yasuyuki Morishima | 1996-12-10 |
| 5301111 | Suspension apparatus for a vehicle | Yoshihiko Utsui, Masahiro Tado, Shunichi Wada | 1994-04-05 |
| 5141082 | Linear motor elevator system | Toshiaki Ishii, Hiroyuki Ikejima, Hirosi Yosikawa, Kazuhiko Sugita, Shigekazu Sakabe +2 more | 1992-08-25 |
| 5065304 | Controller for AC power converter | Shinzo Tamai | 1991-11-12 |
| 4991075 | Low-switching loss DC-DC converter | Akira Saitou, Osamu Takahashi, Seigou Tsukada, Yasuyuki Sohara, Hideki Tsuruse | 1991-02-05 |
| 4969080 | A method of decoupling a three-phase converter | Takao Kawabata, Takeshi Miyashita, Yushin Yamamoto | 1990-11-06 |
| 4885520 | Induction motor controller | Shinzo Tamai | 1989-12-05 |
| 4675802 | Three-phase-to-three-phase power converter | — | 1987-06-23 |
| 4484257 | Series-connected assembly of electronic switches | — | 1984-11-20 |
| 4379258 | Power control circuit for induction motor | — | 1983-04-05 |
| 4320332 | Speed control system for induction motor | — | 1982-03-16 |
| 4309750 | Inverter device | — | 1982-01-05 |