Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808463 | Substrate for magnetic disks | Matsuda Osamu | 1989-02-28 |
OY
Okabayashi Yoshikatsu
Overall (All Time): #3,921,962 of 4,157,543Top 95%
1
Patents All Time