Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870324 | Half-tone display system for a flat matrix type cathode-ray tube | — | 1989-09-26 |
ZH
Zenichirou Hara
Overall (1989): #39,039 of 140,708Top 30%
1
Patents 1989