Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642183 | Spatial filter used in a reduction-type projection printing apparatus | Takashi Sugihara, Takashi Fukushima | 1997-06-24 |
JT
Junkou Takagi
Overall (1997): #124,106 of 185,788Top 70%
1
Patents 1997