Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669725 | Impact dot printer with noise suppression | Osamu Koshiishi, Shigeki Mizuno, Keiichi Kubota, Motoyuki Niimura, Hiroshi Shirotori +1 more | 1997-09-23 |
| 5615959 | Serial printer using carriage for paper insertion | Osamu Koshiishi, Kouichirou Yokoyama | 1997-04-01 |