Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343238 | Wide-screen television receiver with aspect ratio conversion function and method of displaying a range to be magnified and displayed | Haruki Takata, Kenji Katsumata, Shigeru Hirahata, Kouichi Ishibashi, Sunao Suzuki | 1994-08-30 |
| 5276515 | Compatible wide aspect ratio receiver with spatial filtering for variable zoom | Kenji Katsumata, Shigeru Hirahata, Haruki Takata, Kouichi Ishibashi, Kazuhiro Kaizaki +2 more | 1994-01-04 |