Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837106 | Recording materials containing photopolymerizable composition and component capable of causing a color reaction in microcapsules | Shun-ichi Ishikawa, Minoru Maeda, Fumiaki Shinozaki | 1989-06-06 |