Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677121 | Heat-developable silver halide infrared ray-sensitive material | — | 1997-10-14 |
| 5652088 | Silver halide photographic material | Seiji Yamashita, Tadashi Ito | 1997-07-29 |
HT
Hirohiko Tsuzuki
Overall (1997): #37,924 of 185,788Top 25%
2
Patents 1997