Inventor · disambiguated record
Chuichi Sodeyama
Also filed as: SHOYAMA HIROJI · SODEYAMA CHUICHI
9 granted patents·280 citations·filing 1974–1982
91Inventor score
Files withHITACHI LTD9
Top patents by PatentIndex Score
9 records- 0192US3944931AMulti-channel frequency converter having automatic controlHITACHI LTD·Filed 1974·Granted Mar 16, 1976·100 cites·4 claims
- 0284US4435688AFET Microwave oscillator being frequency stabilized by capacitive reactance micro-strip stub lineHITACHI LTD·Filed 1981·Granted Mar 6, 1984·34 cites·15 claims
- 0381US4307352AMicro-strip oscillator with dielectric resonatorHITACHI LTD·Filed 1979·Granted Dec 22, 1981·28 cites·3 claims
- 0479US4417279AFM Television signal receiving circuitHITACHI LTD·Filed 1982·Granted Nov 22, 1983·30 cites·4 claims
- 0578US4249263AMixer circuitHITACHI LTD·Filed 1979·Granted Feb 3, 1981·25 cites·9 claims
- 0675US4219779ASelf-oscillating mixer circuitHITACHI LTD·Filed 1978·Granted Aug 26, 1980·23 cites·6 claims
- 0770US4187476ASHF band oscillator circuit using FETHITACHI LTD·Filed 1978·Granted Feb 5, 1980·19 cites·5 claims
- 0860US4491809AMatching circuit for a pre-amplifier of SHF band television signal receiverHITACHI LTD·Filed 1982·Granted Jan 1, 1985·10 cites·5 claims
- 0955US4211977AMixer circuit arrangementHITACHI LTD·Filed 1977·Granted Jul 8, 1980·11 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →