Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4901103 | Image recording apparatus using pressure sensitive sheet | Kiyoharu Hayakawa, Yumio Matsumoto, Masashi Ueda, Akira Sago | 1990-02-13 |
| 4878084 | Method and device for feeding sheet in image recording apparatus | Kiyoharu Hayakawa, Yumio Matsumoto, Masashi Ueda, Akira Sago | 1989-10-31 |