Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4976989 | Method for preparing a magnetic recording medium | Masashi Aonuma, Tsutomu Okita, Hiroshi Hashimoto | 1990-12-11 |
KK
Kingo Kobayashi
Overall (All Time): #3,917,061 of 4,157,543Top 95%
1
Patents All Time