Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839125 | Process for preparation of light-diffusing methacrylic resin plates | — | 1989-06-13 |
KI
Kozo Ida
Overall (1989): #86,361 of 140,708Top 65%
1
Patents 1989