Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740583 | Electric vacuum cleaner | Akihiro Hirano, Yuichi Shimizu, Hidenori Kitamura, Kazuma Suoh, Masakazu Onda | 1998-04-21 |
| 5163202 | Dust detector for vacuum cleaner | Hiroshi Kawakami, Shuji Asada, Mitsuo Ishii | 1992-11-17 |