Issued Patents All Time
Showing 76–83 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5107218 | Method of operation of air cleaner used in motor vehicle | Yoshinori Takashima | 1992-04-21 |
| 5084659 | Method of operation of air cleaner | Shuji Abe | 1992-01-28 |
| 5003351 | Image forming apparatus | Kenichiro Waki | 1991-03-26 |
| 4942640 | Automatic electric vacuum cleaner with temporary manual override | Toshiichiro Tanaka, Seiji Yamaguchi, Hidetoshi Imai | 1990-07-24 |
| 4792345 | Control circuit for an air cleaner | Shuji Abe, Toshiichiro Tanaka, Katsunory Zaizen, Seiichi Ueno | 1988-12-20 |
| 4637092 | Vacuum cleaner with agitator | Seizo Hayashi, Kenji Okano | 1987-01-20 |
| 4610531 | Developing method and apparatus | Kimio Nakahata, Hatsuo Tajima, Shunji Nakamura | 1986-09-09 |
| 4498755 | Developing device for use in electrophotography | Masaharu Ohkubo, Tomohiro Aoki | 1985-02-12 |