Assignee
YOSHIDA KEIICHIRO
JP·12 granted patents·91 citations·filing 1978–2008
Top patents by PatentIndex Score
12 records- 0191US4218906AMaterial tensioning method and apparatusYOSHIDA KEIICHIRO·Filed 1978·Granted Aug 26, 1980·27 cites·4 claims
- 0264US5297408AMethod of an apparatus for controlling hydraulic rolling reduction in a rolling millYOSHIDA KEIICHIRO·Filed 1992·Granted Mar 29, 1994·12 cites·16 claims
- 0364US4523445AHot working method and apparatus in the swaging working technologyYOSHIDA KEIICHIRO·Filed 1983·Granted Jun 18, 1985·19 cites·10 claims
- 0453US4622841AMethod of forming long metal tubing to tapered shapeYOSHIDA KEIICHIRO·Filed 1984·Granted Nov 18, 1986·11 cites·4 claims
- 0546US8297045B2Exhaust gas treating apparatus and treating methodYOSHIDA KEIICHIRO·Filed 2008·Granted Oct 30, 2012·0 cites·18 claims
- 0643US4982590ARoll-forming apparatus for wire stockYOSHIDA KEIICHIRO·Filed 1988·Granted Jan 8, 1991·5 cites·17 claims
- 0743US4409812AMethod of and apparatus for producing metallic tapeYOSHIDA KEIICHIRO·Filed 1980·Granted Oct 18, 1983·4 cites·2 claims
- 0842US4314470ARoller die wire drawing device having a plurality of roller die unitsYOSHIDA KEIICHIRO·Filed 1979·Granted Feb 9, 1982·4 cites·10 claims
- 0940US5331834ARolling method and apparatus using planetary cross-rollsYOSHIDA KEIICHIRO·Filed 1992·Granted Jul 26, 1994·4 cites·11 claims
- 1037US4498321AMethod of and apparatus for forming long metal tubing stock to tapered shapeYOSHIDA KEIICHIRO·Filed 1983·Granted Feb 12, 1985·5 cites·6 claims
- 1131USD267012SModular roller die unitYOSHIDA KEIICHIRO·Filed 1979·Granted Nov 23, 1982·0 cites·1 claims
- 1229US4441351AMethod of and apparatus for producing metallic tapeYOSHIDA KEIICHIRO·Filed 1982·Granted Apr 10, 1984·0 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →