Inventor · disambiguated record
Masayoshi Sunada
Also filed as: SUNADA MASAYOSHI
9 granted patents·228 citations·filing 1974–1997
90Inventor score
Top patents by PatentIndex Score
9 records- 0190US4080914ASewing machine with improved non-ravel seaming controllerHITACHI LTD·Filed 1976·Granted Mar 28, 1978·22 cites·15 claims
- 0284US4385296ARemote-controlled automatic control apparatusHITACHI LTD·Filed 1981·Granted May 24, 1983·113 cites·21 claims
- 0382US4006790AElectromagnetic guidance systemHITACHI LTD·Filed 1975·Granted Feb 8, 1977·30 cites·10 claims
- 0470US4040508AControl circuit for controlling the shaft speed of a motor having clutch and brake devicesHITACHI LTD·Filed 1976·Granted Aug 9, 1977·18 cites·7 claims
- 0560US4622603AHead positioning system for magnetic recording/playback apparatusHITACHI LTD·Filed 1984·Granted Nov 11, 1986·12 cites·4 claims
- 0658US4331184ADeveloper quality monitoring deviceHITACHI LTD·Filed 1980·Granted May 25, 1982·10 cites·12 claims
- 0753US3977792ASystem for detecting reflecting objectsHITACHI LTD·Filed 1974·Granted Aug 31, 1976·10 cites·9 claims
- 0844US4992893AAlignment disk for magnetic disk driving apparatus and method and apparatus for verifying tracking error of the magnetic disk driving apparatusHITACHI LTD·Filed 1987·Granted Feb 12, 1991·8 cites·30 claims
- 0929US6081046APower supply circuit for microcomputerSAMSUNG ELECTRONICS CO LTD·Filed 1997·Granted Jun 27, 2000·5 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →