Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5321518 | Video signal recording and reproducing apparatus using an added specific signal during recording | Hideaki Mita, Yasuo Hamamoto | 1994-06-14 |
| 5299003 | Signal processing apparatus for changing the frequency characteristics of an input signal | Masayuki Yoneyama, Yasuo Hamamoto, Akihiro Takeuchi, Masaaki Kobayashi, Haruo Ohta | 1994-03-29 |