Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784215 | Production process of non-flying plastic mircoballoons | Yoshihiro Shigemori, Osamu Saito | 2004-08-31 |
| 5753156 | Process for producing non-scattering hollow plastic balloons | Yoshihiro Shigemori, Osamu Saito | 1998-05-19 |