Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6002218 | Control device for air conditioner | Yoshio Ogawa | 1999-12-14 |
| 5749311 | Presser foot device for sewing machine | Hideyuki Kobayashi | 1998-05-12 |
| 5712540 | Control method and apparatus for controlling motors of air conditioner | Yoshio Ogawa | 1998-01-27 |