Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10483816 | Motor, rotor, compressor, and refrigeration and air conditioning apparatus | Masahiro Nigo, Ryukichi Kijima | 2019-11-19 |
| 10284030 | Permanent magnet embedded electric motor, compressor, and a refrigerating and air conditioning device | Masahiro Nigo, Kazuhiko Baba | 2019-05-07 |
| 10135307 | Rotor, permanent-magnet-embedded motor, and compressor | Tomoaki Oikawa, Masahiro Nigo, Naohiro Oketani | 2018-11-20 |
| 10103588 | Permanent magnet-embedded electric motor, compressor, and refrigerating and air-conditioning device | Kazuhiko Baba, Masahiro Nigo, Atsushi Ishikawa | 2018-10-16 |
| 10090743 | Embedded permanent magnet-type electric motor, compressor, and refrigeration/air-conditioning device | Masahiro Nigo, Kazuhiko Baba | 2018-10-02 |
| 10084354 | Electric motor with a permanent magnet embedded rotor with curved magnets and magnet accommodation holes of varying radiuses | Kazuhiko Baba, Masahiro Nigo | 2018-09-25 |
| 10027193 | Embedded permanent magnet-type electric motor, compressor, and refrigeration/air-conditioning device | Masahiro Nigo | 2018-07-17 |
| 10027191 | Compressor, heat pump device, air conditioner, and freezing machine | Osamu Kazama | 2018-07-17 |
| 10020699 | Embedded permanent magnet type electric motor, compressor, and refrigeration air-conditioning device | Atsushi Ishikawa, Masahiro Nigo, Kazuhiko Baba | 2018-07-10 |
| 10008893 | Permanent magnet-embedded electric motor, compressor, and refrigerating and air-conditioning device | Masahiro Nigo, Kazuhiko Baba | 2018-06-26 |
| 9899897 | Permanent magnet buried type electric motor and compressor | Kazuhiko Baba, Masahiro Nigo | 2018-02-20 |
| 9876402 | Permanent magnet embedded electric motor, compressor, and refrigerating and air-conditioning device | Masahiro Nigo, Kazuhiko Baba, Atsushi Ishikawa, Tomoaki Oikawa | 2018-01-23 |
| 9853510 | Permanent magnet-embedded electrical motor, compressor, and refrigerating air conditioning device | Atsushi Ishikawa, Kazuhiko Baba, Masahiro Nigo | 2017-12-26 |
| 9828996 | Hermetic rotary compressor | Osamu Kazama | 2017-11-28 |
| 9800096 | Interior permanent magnet synchronous motor with optimized thicknesses and sectional areas | Tomoaki Oikawa | 2017-10-24 |
| 9647501 | Interior permanent magnet motor, compressor and refrigeration and air conditioning apparatus | Masahiro Nigo, Kazuhiko Baba | 2017-05-09 |
| 9634531 | Electric motor with embedded permanent magnet, compressor, and refrigeration/air-conditioning device | Kazuhiko Baba, Masahiro Nigo, Atsushi Ishikawa | 2017-04-25 |
| 9577483 | Rotor for a permanent-magnet embedded motor having permanent magnets fitted into a plurality of magnet insertion holes formed in a circumferential direction | Masahiro Nigo | 2017-02-21 |
| 9472986 | Rotor | Masahiro Nigo | 2016-10-18 |
| 9276445 | Rotor and interior permanent magnet motor | Masahiro Nigo, Koji Yabe, Tomoaki Oikawa | 2016-03-01 |