Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669725 | Impact dot printer with noise suppression | Osamu Koshiishi, Shigeki Mizuno, Keiichi Kubota, Katsuhiko Nishizawa, Motoyuki Niimura +1 more | 1997-09-23 |
| 5540511 | Impact dot printer with noise suppression | Osamu Koshiishi, Shigeki Mizuno, Keiichi Kubota, Katsuhiko Nishizawa, Motoyuki Niimura +1 more | 1996-07-30 |