Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5276515 | Compatible wide aspect ratio receiver with spatial filtering for variable zoom | Kenji Katsumata, Shigeru Hirahata, Haruki Takata, Mituo Konno, Kouichi Ishibashi +2 more | 1994-01-04 |
| 5181110 | Video signal processing circuit capable of enlarging and displaying a picture | Kenji Katsumata, Shigeru Hirahata, Masato Sugiyama, Kazuo Ishikura, Sunao Suzuki +1 more | 1993-01-19 |
| 5029006 | Video signal processing circuit capable of enlarging and displaying a picture | Kenji Katsumata, Shigeru Hirahata, Masato Sugiyama, Kazuo Ishikura, Sunao Suzuki +1 more | 1991-07-02 |
| 4953032 | Motion signal generating circuit for use in a television receiver | Tohru Suzaki, Masato Sugiyama, Shigeru Hirahata, Kazuhiro Kaizaki | 1990-08-28 |
| 4853765 | Sequential scanning converter with frame comb filter and freeze frame feature | Kenji Katsumata, Masato Sugiyama, Shigeru Hirahata, Isao Nakagawa, Kazuo Ishikura +1 more | 1989-08-01 |
| 4707732 | Separating circuit of luminance and chrominance signals for TV receiver selecting between three three line comb filters | Toshinori Murata, Toshiyuki Kurita, Isao Nakagawa | 1987-11-17 |
| 4677485 | Video signal processing circuits in television receivers | Toshinori Murata, Nobufumi Nakagaki | 1987-06-30 |