Inventor · disambiguated record
Sumiyuki Ishigami
Also filed as: ISHIGAMI SUMIYUKI
4 granted patents·64 citations·filing 1976–1989
78Inventor score
Top patents by PatentIndex Score
4 records- 0175US4091679AVibrating quartz accelerometerMEISEI ELECTRIC CO LTD·Filed 1976·Granted May 30, 1978·23 cites·13 claims
- 0267US4486681AY-Shaped support for piezoelectric resonatorTOKYO DENPA KK·Filed 1982·Granted Dec 4, 1984·14 cites·9 claims
- 0356US4986670ATemperature measurement deviceAGENCY IND SCIENCE TECHN·Filed 1989·Granted Jan 22, 1991·20 cites·7 claims
- 0447US4550475AQuartz unitTOKYO DENPA KK·Filed 1984·Granted Nov 5, 1985·7 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →