Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851288 | Magnetic recording system | Kouiti Mochizuki, Masaaki Fujiyama | 1989-07-25 |
| 4812330 | Process for producing a magnetic recording medium | Masaaki Fujiyama | 1989-03-14 |
TI
Tadashi Ishikuro
Overall (1989): #15,086 of 140,708Top 15%
2
Patents 1989