Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189454 | Phase-type focusing screen and process for manufacturing the same | Hiroshi Matsui | 1993-02-23 |
SY
Schoichi Yamazaki
Overall (All Time): #3,818,080 of 4,157,543Top 95%
1
Patents All Time