Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697144 | Method of producing a head for the printer | Masao Mitani, Kenji Yamada, Katsunori Kawasumi, Osamu Machida | 1997-12-16 |
| 5681463 | Portable liquid purifying device having activated carbon filter and micro-porous membrane filter | Satoru Matumoto, Makoto Nakagawa, Masashi Endo | 1997-10-28 |
| 5608824 | Image processing apparatus in which filters having different filtering characteristics can be switched among themselves | Shigeru Kobayashi, Hideyuki Masuyama, Shinji Aramaki | 1997-03-04 |
| 5598291 | Polygon mirror mounting structure | Soichi Isobe, Masaaki Sano, Yoshio Inoue | 1997-01-28 |