Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5202669 | Display control device for superimposing data with a broadcast signal on a television screen | Haruki Ishimochi, Kimio Yamamura, Masato Yanai, Satoshi Takahashi | 1993-04-13 |
| 4899139 | Display control device for superimposing data with a broad case signal on a television screen | Haruki Ishimochi, Kimio Yamamura, Masato Yanai, Satoshi Takahashi | 1990-02-06 |