Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847640 | Dual-mode recorder system | — | 1989-07-11 |
| D301885 | Hand held electronic dialer | Keiko Takemata | 1989-06-27 |
OM
Osamu Murakami
Overall (1989): #18,971 of 140,708Top 15%
2
Patents 1989