Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679834 | Production process of (meth) acrylic acid ester having benzoic acid group | Hideyuki Nishikawa | 1997-10-21 |
| 5055386 | Silver halide color photographic materials with polymer particles | Tsumoru Hirano, Osamu Takahashi | 1991-10-08 |