Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4961112 | Television system | Yoshio Sugimori, Joji Urano | 1990-10-02 |
| 4882628 | Amplitude characteristics of TV vertical frequency signal | Yoshio Sugimori, Tadao Kurosaki, Joji Urano | 1989-11-21 |