Assignee
RIKUTA SOTOKAZU
5 granted patents·206 citations·filing 1977–1984
Top patents by PatentIndex Score
5 records- 0196US4250915AAutomatic controlling valve for maintaining the rate of fluid flow at a constant valueRIKUTA SOTOKAZU·Filed 1979·Granted Feb 17, 1981·142 cites·2 claims
- 0273US4175584AControl valve for keeping the rate of flow at a fixed valueRIKUTA SOTOKAZU·Filed 1977·Granted Nov 27, 1979·24 cites·5 claims
- 0357US4592383AConstant-flow valveRIKUTA SOTOKAZU·Filed 1984·Granted Jun 3, 1986·15 cites·11 claims
- 0456US4234013AControl valve for keeping the rate of flow at a fixed valueRIKUTA SOTOKAZU·Filed 1979·Granted Nov 18, 1980·16 cites·3 claims
- 0545US4175433AMethod of and apparatus for the measurement of the rate of flow by means of a bypassRIKUTA SOTOKAZU·Filed 1977·Granted Nov 27, 1979·9 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →