Inventor · disambiguated record
Yoshiko Usui
Also filed as: USUI YOSHIKO
5 granted patents·1 pending application·157 citations·filing 1988–2002
83Inventor score
Top patents by PatentIndex Score
6 records- 0184US5055921AColor reading line sensorCANON KK·Filed 1988·Granted Oct 8, 1991·56 cites·25 claims
- 0274US6055868AUltrasonic flow meterTOKYO KEISO KK·Filed 1997·Granted May 2, 2000·44 cites·9 claims
- 0360US6490933B2Ultrasonic flow meter with reduced noiseIZUMI ENGINEERING LAB CO LTD·Filed 2000·Granted Dec 10, 2002·17 cites·2 claims
- 0458US5974897AUltrasonic flow meterTOKYO KEISO KABUSHIKI KAISHA·Filed 1997·Granted Nov 2, 1999·27 cites·12 claims
- 0546US4989060ASolid-state imaging device with pixels having weighted sensitivity distributionCANON KK·Filed 1990·Granted Jan 29, 1991·13 cites·5 claims
- 0626US2003115969A1Ultrasonic flow meterIZUMI ENGINEERING LAB CO LTD·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →