Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300744 | Combined computer display terminal and telephone | Takao Oura, Masayoshi Hosaka | 1989-04-18 |
| D300533 | Combined computer display terminal and telephone | Takao Oura, Masayoshi Hosaka | 1989-04-04 |