Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470935 | Process for producing microcapsules containing hydrophobic core material for carbonless duplicating sheets | Sakamoto Masahiro | 1984-09-11 |
| 4450123 | Process for producing microcapsules | Masahiro Sakamoto | 1984-05-22 |