Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837812 | Dual connection mode equipped communication control apparatus | Takaho Koshiishi | 1989-06-06 |
| 4823376 | Time limited data communication system | — | 1989-04-18 |
ST
Shuichi Takahashi
Overall (1989): #15,814 of 140,708Top 15%
2
Patents 1989