Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917947 | Magnetic recording medium | Kiyomi Ejiri, Toshihiko Miura, Koyotaka Fukino, Kouichi Masaki | 1990-04-17 |
KK
Kideaki Kosha
Overall (All Time): #3,900,768 of 4,157,543Top 95%
1
Patents All Time