Inventor · disambiguated record
Seishiro Yoshiwara
Also filed as: KAWAHARADA MINORU · YOSHIWARA SEISHIRO
10 granted patents·189 citations·filing 1975–1988
90Inventor score
Top patents by PatentIndex Score
10 records- 0188US4750947AMethod for surface-alloying metal with a high-density energy beam and an alloy metalNIPPON STEEL CORP·Filed 1987·Granted Jun 14, 1988·53 cites·9 claims
- 0283US4831708AMethod for producing a clad plate by hot rollingNIPPON STEEL CORP·Filed 1988·Granted May 23, 1989·44 cites·36 claims
- 0383US4006618AMethod of producing seamless steel tubeYANAGIMOTO SAMON·Filed 1975·Granted Feb 8, 1977·26 cites·12 claims
- 0480US4289011AContinuous pipe rolling processNIPPON STEEL CORP·Filed 1979·Granted Sep 15, 1981·17 cites·7 claims
- 0576US4318294AMethod of manufacturing seamless metal pipes and tubesNIPPON STEEL CORP·Filed 1979·Granted Mar 9, 1982·15 cites·6 claims
- 0664US4190887APress roll piercing methodNIPPON STEEL CORP·Filed 1978·Granted Feb 26, 1980·10 cites·11 claims
- 0757US4567744AMethod and apparatus for forming long cylindrical metal productsNIPPON STEEL CORP·Filed 1984·Granted Feb 4, 1986·8 cites·11 claims
- 0850US4052874AMethod of producing tubular body in a press roll piercing millNIPPON STEEL CORP·Filed 1976·Granted Oct 11, 1977·6 cites·1 claims
- 0940US4638939AMethod for producing a clad plate by rollingNIPPON STEEL CORP·Filed 1984·Granted Jan 27, 1987·5 cites·6 claims
- 1037US4395896ARotary rolling mill and method for rolling of tubular productsNIPPON STEEL CORP·Filed 1981·Granted Aug 2, 1983·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →