Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868584 | Heat-resistant polyimide insulative coated thermal head | Masaru Nikaido, Hikaru Okunoyama, Katsumi Yanagibashi | 1989-09-19 |
| 4835548 | Thermal head | Masaru Nikadio, Tadayoshi Kinoshita, Reiko Watanabe, Shinzo Sugai | 1989-05-30 |