Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236785 | Printing sheet | Yoshiaki Kaburaki, Koichi Tomita | 1993-08-17 |
| 5234746 | Conductive substrate and printing media using the same | Kiyoshi Iwamoto, Tomio Oki | 1993-08-10 |
| 5122411 | Electrostatic recording material | Kiyoshi Iwamoto, Tomio Oki, Yoshiaki Kaburaki | 1992-06-16 |