Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689263 | Magnetic recording medium | Kazuhiro Kuroda, Masashi Hayama | 1987-08-25 |
HK
Hirokazu Kambe
Overall (All Time): #3,980,834 of 4,157,543Top 100%
1
Patents All Time