Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4791267 | Method of forming identifying indicium on cathode ray tubes | Mitsuru Matsushita, Tetsuya Ohtsuka, Yuji Okazaki | 1988-12-13 |
KY
Keishi Yokoyama
Overall (All Time): #3,964,710 of 4,157,543Top 100%
1
Patents All Time