Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888265 | Light-sensitive microcapsule containing polymerizable compound and silver halide, and light-sensitive material employing the same wherein the silver halide is embedded in the shell wall comprised of polyurea or polyurethane | Fujio Kakimi | 1989-12-19 |
| 4880721 | Light-sensitive dual-walled microcapsule containing polymerizable compound and silver halide, and light-sensitive material employing the same | — | 1989-11-14 |
| 4853524 | Optical identification card system | Masami Yamaguchi, Hideo Tamura, Hirokazu Tanaka, Tomio Nakaya, Kiyomitsu Ishikawa | 1989-08-01 |
| 4842978 | Process for preparation of light-sensitive microcapsules containing silver halide and polymerizable compound | — | 1989-06-27 |
| 4835272 | Process for formation of base and light-sensitive material | Kozo Sato, Ken Kawata | 1989-05-30 |