Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360611 | Fine spherical polymer particles and process for the preparation thereof | Sadayasu Miyahara, Yoshihiko Hyosu | 1982-11-23 |
| 4314932 | Fine spherical polymer particles containing inorganic pigment and/or coloring agent and process for the preparation thereof | Sadayasu Miyahara, Yoshihiko Hyosu | 1982-02-09 |