Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795690 | Toners for electrophotographic process containing a phenolic compound | Seizin Shindo, Masaki Shinmoto | 1989-01-03 |
| 4682192 | Heat-sensitive recording sheet | Masaharu Nomura, Hiroaki Tsugawa, Yukio Ishizaka | 1987-07-21 |