Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7712183 | Electric vacuum cleaner | Kouichi Nakai, Akihiro FUKUMOTO, Chizuyo Matsumoto, Akihiro Morita, Hirotaka Shikano +4 more | 2010-05-11 |
| 6336244 | Electric blower and electric cleaning device using the same | Takao Tarutani, Toshihiro Suto, Masaki Sasao, Toshio Otani, Yoshihisa Ueno +7 more | 2002-01-08 |
| 6243915 | Vacuum cleaner | Kouichi Nakai, Toshinari Kobayashi, Yoshihiro Mori, Toshiyuki Fujiyoshi, Takahiro Nishiyama | 2001-06-12 |
| 6122798 | Dust suction head for electric vacuum cleaner | Toshinari Kobayashi, Kenji Aida, Kazuo Saito, Akihiko Zako, Keiichi Sato +2 more | 2000-09-26 |
| 4949134 | Image forming apparatus having intermediate tray | Hiroshi Iwaki, Yoshiharu Mita, Akihiko Suto, Shinichi Kikkawa, Yasushi Handa | 1990-08-14 |