Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155190 | Process for producing poly methyl methacrylate/N-substituted maleimide optical resin | Kiyomi Sugawara, Hiromasa Kawai, Fumiaki Kanega | 1992-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155190 | Process for producing poly methyl methacrylate/N-substituted maleimide optical resin | Kiyomi Sugawara, Hiromasa Kawai, Fumiaki Kanega | 1992-10-13 |