Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7765636 | Vacuum cleaner and dust bag for vacuum cleaner | Masanobu Hirota, Hiroyuki Kayama, Makoto Murakami, Koichi Nakano, Hidenori Kitamura +2 more | 2010-08-03 |
| 7306640 | Vacuum cleaner | Yoshiki Kuroki, Seiji Yamaguchi, Tomonori Kato, Masashi Okushima, Yuichi Shimizu +7 more | 2007-12-11 |