Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4712930 | Gradation thermal printhead and gradation heat transfer printing apparatus | Susumu Maruno, Shinobu Nakata, Seiko Minamide | 1987-12-15 |
| 4401998 | Magnetic fluid recording apparatus | Masaharu Ushihara, Humio Yamazaki, Masami Nakagawa, Noboru Miyaji, Susumu Maruno | 1983-08-30 |