Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841358 | Device for reading a color image from an original document with reciprocating filter | Yoshiaki Kammoto | 1989-06-20 |
| 4820686 | Sheet for heat transference | Yoshikazu Ito, Masanori Akada, Masaki Kutsukake, Mineo Yamauchi, Atsushi Takano +2 more | 1989-04-11 |