Assignee
TOKYO KEISO KABUSHIKI KAISHA
JP·8 granted patents·193 citations·filing 1976–2002
Top patents by PatentIndex Score
8 records- 0188US6563306B2Method and apparatus for detecting displacement of a magnet moved in response to variation of a physical characteristic of a fluidTOKYO KEISO KABUSHIKI KAISHA·Filed 2001·Granted May 13, 2003·40 cites·10 claims
- 0276US5717145ADetector for an ultrasonic flow meterTOKYO KEISO KABUSHIKI KAISHA·Filed 1996·Granted Feb 10, 1998·45 cites·5 claims
- 0370US6647805B2Transit-time difference type ultrasonic flowmeterTOKYO KEISO KABUSHIKI KAISHA·Filed 2001·Granted Nov 18, 2003·19 cites·6 claims
- 0461US6622572B2Ultrasonic flowmeter for controlling the gain of an amplifier for amplifying received signalsTOKYO KEISO KABUSHIKI KAISHA·Filed 2002·Granted Sep 23, 2003·12 cites·8 claims
- 0558US5974897AUltrasonic flow meterTOKYO KEISO KABUSHIKI KAISHA·Filed 1997·Granted Nov 2, 1999·27 cites·12 claims
- 0658US5544533AArea flow meter with hall devices having magnetism-responsive surfacesTOKYO KEISO KABUSHIKI KAISHA·Filed 1994·Granted Aug 13, 1996·22 cites·3 claims
- 0758US4065968ALiquid level measuring apparatusTOKYO KEISO KABUSHIKI KAISHA·Filed 1976·Granted Jan 3, 1978·17 cites·3 claims
- 0843US5478966AHinged long-reach magnetic detector for liquid level measurementsTOKYO KEISO KABUSHIKI KAISHA·Filed 1994·Granted Dec 26, 1995·11 cites·3 claims
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