Inventor · disambiguated record
James D. Birch
Also filed as: BIRCH JAMES D · BIRCH JAMES DAVID
4 granted patents·1 pending application·113 citations·filing 1973–2020
79Inventor score
Top patents by PatentIndex Score
5 records- 0177US5675345ACompact antenna with folded substrateRAYTHEON CO·Filed 1995·Granted Oct 7, 1997·77 cites·30 claims
- 0264US3938158AAntenna element for circular or linear polarizationRAYTHEON CO·Filed 1973·Granted Feb 10, 1976·17 cites·3 claims
- 0354US4001733AFerrite phase shifter having conductive material plated around ferrite assemblyRAYTHEON CO·Filed 1975·Granted Jan 4, 1977·11 cites·4 claims
- 0441US2022200517A1Solar power claddingB XO GROUP LTD·Filed 2020·Application pending·0 cites
- 0538US4308539ACompensated phased array antennaRAYTHEON CO·Filed 1980·Granted Dec 29, 1981·8 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →