Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6333578 | Induction motor | Michi Masuya, Hisashi Maeda, Shinpei Uemura | 2001-12-25 |
| 6255797 | AC motor with reactor interposed between AC motor and power source | Michi Masuya, Hisashi Maeda, Yohei Arimatsu | 2001-07-03 |
| 5952764 | Cage rotor having reinforcing members that prevent deformation of end rings at moderately high rotation speeds | Yohei Arimatsu | 1999-09-14 |
| 5937930 | Method for casting conductor of a cage rotor of an induction motor and apparatus for casting the same | Yukio Katsuzawa, Yasuyuki Nakazawa | 1999-08-17 |
| 5894653 | Method of machining motor frame body and motor machined by the method | Akio Sadatsuki, Yukio Katsuzawa, Michi Masuya | 1999-04-20 |
| 5887643 | Conductor casting apparatus for a squirrel-cage rotor of an induction motor | Yukio Katsuzawa, Minoru Kasama, Yasuyuki Nakazawa | 1999-03-30 |
| 5780946 | Air-cooled type electric motor | Yukio Katsuzawa, Yasuyuki Nakazawa | 1998-07-14 |
| 5760567 | Induced voltage reduction method and an induced voltage reduction apparatus for an induction motor | Yoshiyuki Hayashi, Hisashi Maeda | 1998-06-02 |
| 5747900 | Electric motor with an air-cooling system | Yukio Katsuzawa, Junichi Nagai | 1998-05-05 |
| 5636949 | Multi-function machine tool | Kazuhisa Numai, Hisashi Maeda | 1997-06-10 |
| 5637829 | Terminal box for motor and method of positioning a conduit therein | Kazuhisa Numai, Hideki Oka | 1997-06-10 |
| 5577847 | Supporting arrangement for a bearing in an electric motor | Yukio Katsuzawa, Michi Masuya | 1996-11-26 |
| 5572080 | Squirrel-cage rotor for induction motor | Yoshiyuki Hayashi, Hisashi Maeda | 1996-11-05 |
| 5559380 | Air-cooled motor | Yukio Katsuzawa, Yoshinobu Maeda | 1996-09-24 |
| 5538067 | Method and device of producing a squirrel-cage rotor for an induction motor | Yukio Katsuzawa, Michi Masuya, Junichi Nagai | 1996-07-23 |
| 5467521 | Method of producing squirrel-cage rotor for induction motor | Yoshiyuki Hayashi, Masami Kimijima, Yohei Arimatsu | 1995-11-21 |
| 5448118 | Liquid cooled motor and its jacket | Yukio Katsuzawa, Michi Masuya | 1995-09-05 |
| 5444319 | Squirrel-cage rotor for high-speed induction motor | Yoshiyuki Hayashi, Masami Kimijima, Yohei Arimatsu | 1995-08-22 |
| 5389847 | Rotor for a high speed induction type AC motor having a press fit stacked core | Yoshiyuki Hayashi, Kazuhisa Numai | 1995-02-14 |
| 5352964 | Controlling method and apparatus for actuating induction motor | Yukio Katsuzawa, Yasuyuki Nakazawa | 1994-10-04 |
| 5177423 | Winding arrangement in an AC motor | Yoshiyuki Hayashi, Kazuhisa Numai, Masami Kimijima | 1993-01-05 |
| 5168662 | Process of structuring stator of built-in motor | Yoshiyuki Hayashi, Kazuhisa Numai, Masami Kimijima | 1992-12-08 |
| 5142179 | Stator structure of built-in motor | Yoshiyuki Hayashi, Kazuhisa Numai, Masami Kimijima | 1992-08-25 |
| 5134332 | AC spindle motor and method of changing rotating speed of same | Yoshiyuki Hayashi, Kazuhisa Numai, Masami Kimijima | 1992-07-28 |
| 5070291 | Connection switching apparatus for three-phase induction motor | Kazuhisa Numai | 1991-12-03 |