Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7276099 | Electric vacuum cleaner | Shoji Hayashi, Yukiji Iwase, Kyouichi Kanno, Susumu Sato, Naofumi Kitagawa +4 more | 2007-10-02 |
| 7207083 | Electric vacuum cleaner | Shoji Hayashi, Yukiji Iwase, Kyouichi Kanno, Susumu Sato, Naofumi Kitagawa +4 more | 2007-04-24 |
| 5216778 | Vacuum cleaner | Naruhiko Suzuki, Akira Iwao, Yoshitaro Ishii, Masao Sunagawa | 1993-06-08 |
| 5042844 | Hose fixture device | Akira Iida, Akira Iwao, Yoshitaro Ishii, Naruhiko Suzuki | 1991-08-27 |
| 4912593 | Electrical appliance | Akira Iwao, Yoshitaro Ishii | 1990-03-27 |