Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7276099 | Electric vacuum cleaner | Shoji Hayashi, Yukiji Iwase, Yasuyuki Hiruta, Kyouichi Kanno, Susumu Sato +4 more | 2007-10-02 |
| 7207083 | Electric vacuum cleaner | Shoji Hayashi, Yukiji Iwase, Yasuyuki Hiruta, Kyouichi Kanno, Susumu Sato +4 more | 2007-04-24 |
| 5216778 | Vacuum cleaner | Akira Iwao, Yoshitaro Ishii, Masao Sunagawa, Yasuyuki Hiruta | 1993-06-08 |
| 5042844 | Hose fixture device | Akira Iida, Akira Iwao, Yoshitaro Ishii, Yasuyuki Hiruta | 1991-08-27 |
| D312901 | Electric vacuum cleaner | Tomoyuki Miyata, Kohichi Hasegawa, Masao Sunagawa, Akira Iwao | 1990-12-11 |