Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7131164 | Vacuum cleaner and suction nozzle employed therein | Hiroyuki Uratani, Masakuni Soejima, Koichi Fujita, Masaki Shibuya, Masaki Takahashi +2 more | 2006-11-07 |
| 6901624 | Self-moving cleaner | Hiroshi Mori, Kiminori Kato, Naoyuki Ohara, Toru Odachi, Hidetaka Yabuuchi +7 more | 2005-06-07 |
| 5216777 | Fuzzy control apparatus generating a plurality of membership functions for determining a drive condition of an electric vacuum cleaner | Masaru Moro, Tadashi Matsuyo, Seiji Yamaguchi, Shuji Abe | 1993-06-08 |
| 4942640 | Automatic electric vacuum cleaner with temporary manual override | Nobuhiro Hayashi, Toshiichiro Tanaka, Seiji Yamaguchi | 1990-07-24 |