Inventor
SASAKI SEISHI
25 patents
⚠️ This page may combine multiple inventors who share the name “SASAKI SEISHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
13 patentsUS6226447B1May 1, 2001
Video signal recording and reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD159 citations98
US6430363B2Aug 6, 2002
Video signal recording and reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD48 citations95
US4910605AMar 20, 1990
Video signal recording method and apparatus for field-segment recording
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD64 citations95
US4887169ADec 12, 1989
Video signal recording and playback apparatus having varied-speed playback capability
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD65 citations95
US4006343AFeb 1, 1977
Code read-out means
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD59 citations94
US7231136B2Jun 12, 2007
Video signal recording and reproducing apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations92
US4745506AMay 17, 1988
Magnetic head for perpendicular magnetic recording and reproduction
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92
US4613918ASep 23, 1986
Perpendicular magnetic playback head and a perpendicular magnetic recording and reproducing device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD46 citations92
US3978317AAug 31, 1976
Optical bar code reader
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD106 citations91
US4477488AOct 16, 1984
Method of manufacturing magnetic recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US4807056AFeb 21, 1989
Method and apparatus for video signal recording and playback signal level compensation based on recorded reference signal
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations73
US4700252AOct 13, 1987
Magnetic thin film head
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations72
US4654739AMar 31, 1987
Thin film magnetic head for reproducing perpendicular magnetization
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
KOKUSAI ELECTRIC CO LTD
5 patentsUS5475712ADec 12, 1995
Voice coding communication system and apparatus therefor
KOKUSAI ELECTRIC CO LTD62 citations96
US5539858AJul 23, 1996
Voice coding communication system and apparatus
KOKUSAI ELECTRIC CO LTD37 citations92
US5509102AApr 16, 1996
Voice encoder using a voice activity detector
KOKUSAI ELECTRIC CO LTD21 citations92
US5278944AJan 11, 1994
Speech coding circuit
KOKUSAI ELECTRIC CO LTD32 citations92
US5621760AApr 15, 1997
Speech coding transmission system and coder and decoder therefor
KOKUSAI ELECTRIC CO LTD17 citations69