Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833710 | Pay television system | — | 1989-05-23 |
| 4823135 | Satellite receiver having improved polarization plane determination means | Osamu Shizuya, Noriaki Omoto | 1989-04-18 |
MH
Masayoshi Hirashima
Overall (1989): #20,929 of 140,708Top 15%
2
Patents 1989