Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198184 | Brushless motor | Hiroshi Ohsawa, Kazuyoshi Horiuchi, Kouji Ando | 2001-03-06 |
| 5969445 | Brushless motor | Kazuyoshi Horiuchi, Koji Ando, Mitsuji Sekiya, Kanta Arai | 1999-10-19 |
| 5936364 | Drive control apparatus for brushless motor | Hiroshi Ohsawa, Kzuyoshi Horiuchi, Kouji Ando | 1999-08-10 |
| 5907226 | Drive control apparatus for brushless motor | Hiroshi Ohsawa, Kzuyoshi Horiuchi, Kouji Ando | 1999-05-25 |
| 5901268 | Drive control apparatus for brushless motor | Kouji Ando, Kzuyoshi Horiuchi, Hiroshi Ohsawa | 1999-05-04 |
| 5798589 | Brushless motor having lubrication system for upper and lower bearings | Fuhito Umegaki, Masami Takemasa, Tatsuo Haraguchi, Yoshihide Gunji, Hiroshi Ohsawa | 1998-08-25 |
| 5760512 | Brushless motor | Fuhito Umegaki | 1998-06-02 |
| 5517101 | Stepping motor control device for automobile air-conditioning system | Yoshimi Sakai, Toshiya Yamashita, Fuhito Umegaki, Hiroshi Ohsawa | 1996-05-14 |
| 5296789 | Apparatus for controlling brushless motors in response to switching transistor temperature | — | 1994-03-22 |
| 5220227 | Rotor magnet of motor and having improved magnetizing pattern and method of magnetizing the same | — | 1993-06-15 |
| 5162709 | Apparatus for controlling blower motor of automobile air-conditioner | — | 1992-11-10 |
| 5152676 | Aspirator fan | — | 1992-10-06 |
| 5130621 | Apparatus for preventing generation of noise of a blower unit using a brushless motor | — | 1992-07-14 |
| 5043642 | Apparatus for controlling blower motor of automobile air-conditioner | — | 1991-08-27 |
| 4935717 | Resistor device for controlling a blower | Katsuyoshi Osawa, Tadahiro Takahashi, Kazuo Noguchi, Kashiwa Kobayashi | 1990-06-19 |
| 4922171 | Motor actuator with air-mix door opening-limiter and built-in switching unit | — | 1990-05-01 |
| 4795867 | Motor actuator for air conditioning system | Shinichiro Yoshida | 1989-01-03 |
| 4671073 | Intake air control device for automotive air-conditioning apparatus | — | 1987-06-09 |
| 4626820 | Thermoswitch | Tadahiro Takahashi, Kashiwa Kobayashi | 1986-12-02 |
| 4502853 | Rotational speed sensor for vane compressors | — | 1985-03-05 |