Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5897608 | Compensating apparatus and method for signal processing circuit | Masaaki Nagai, Yoshimichi Sanada | 1999-04-27 |
| 5450623 | CN ratio measuring apparatus | Masaaki Nagai, Kenichi Ishida, Kakuya Saito | 1995-09-12 |
| 5291285 | Television signal level meter | Masaaki Nagai, Kakuya Saito | 1994-03-01 |