Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251358 | Vacuum cleaner with fuzzy logic | Tadashi Matsuyo, Seiji Yamaguchi | 1993-10-12 |
| 5216777 | Fuzzy control apparatus generating a plurality of membership functions for determining a drive condition of an electric vacuum cleaner | Tadashi Matsuyo, Seiji Yamaguchi, Shuji Abe, Hidetoshi Imai | 1993-06-08 |
| 5182833 | Vacuum cleaner | Seiji Yamaguchi, Saburou Kajikawa, Masahiro Kimura, Hideo Okubo, Tadashi Matsuyo +1 more | 1993-02-02 |
| 5144715 | Vacuum cleaner and method of determining type of floor surface being cleaned thereby | Tadashi Matsuyo, Masahiro Kimura, Hideo Okubo, Seiji Yamaguchi, Hiroshi Kawakami | 1992-09-08 |