Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803527 | Semiconductor integrated circuit device having semi-insulator substrate | Yasushi Hatta, Hirotoshi Tanaka, Takehisa Hayashi | 1989-02-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803527 | Semiconductor integrated circuit device having semi-insulator substrate | Yasushi Hatta, Hirotoshi Tanaka, Takehisa Hayashi | 1989-02-07 |