Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6492602 | Two-position pushbutton switch | Akira Asai, Katsuichi Oba, Sachiko Homma | 2002-12-10 |
| 6442792 | Vacuum cleaner | Takayuki Sudou, Ryuji Ikeda, Susumu Sato, Taiji Tajima, Shoji Hayashi +3 more | 2002-09-03 |