KI

Kouichi Igata

Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
Overall (All Time): #895,045 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4748498 Luminance signal processing circuit with recursive filter for reducing noise while retaining a high vertical resolution Kazuhiro Yamanishi 1988-05-31
4635137 Phase control system for a video tape recorder Tokikazu Matsumoto 1987-01-06
4611252 Video tape recorder Masaaki Kobayashi 1986-09-09
4600952 Helical scan video tape recorder with auxiliary heads for blur free high speed reproduction pictures Yoshihiro Deguchi, Masaaki Kobayashi 1986-07-15
4395741 Positionable element driving circuit Masaaki Kobayashi, Akihiro Takeuchi 1983-07-26
4394701 Recording time mode detector Masaaki Kobayashi 1983-07-19