Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7047593 | Vacuum cleaner capable of compressing dirt | Hidenori Kitamura, Saburo Kajikawa, Seiji Ishikawa, Yasunori Tsuzaki, Masashi Okushima +3 more | 2006-05-23 |
| 5740583 | Electric vacuum cleaner | Sadahiro Shimada, Akihiro Hirano, Yuichi Shimizu, Hidenori Kitamura, Kazuma Suoh | 1998-04-21 |