Inventor · disambiguated record
Keizo Sugao
Also filed as: SUGAO KEIZO
6 granted patents·231 citations·filing 1984–1999
86Inventor score
Top patents by PatentIndex Score
6 records- 0188US4893601AManifold for conveying a high-pressure fuelUSUI KOKUSAI SANGYO KK·Filed 1988·Granted Jan 16, 1990·73 cites·8 claims
- 0286US4832376AConnection structure for branch pipe in high-pressure fuel manifoldUSUI KOKUSAI SANGYO KK·Filed 1988·Granted May 23, 1989·67 cites·9 claims
- 0384US4784311AProcess of producing thick-walled composite metal tubingUSUI KOKUSAI SANGYO KK·Filed 1986·Granted Nov 15, 1988·46 cites·5 claims
- 0458US5139814AMethod of manufacturing metal pipes coated with tin or tin based alloysUSUI KOKUSAI SANGYO KAISHA·Filed 1990·Granted Aug 18, 1992·24 cites·7 claims
- 0551US4598937APipe having a double flared endUSUI KOKUSAI SANGYO KK·Filed 1984·Granted Jul 8, 1986·18 cites·2 claims
- 0630US6135160AMulti-wound stainless steel pipeUSUI KOKUSAI SANGYO KK·Filed 1999·Granted Oct 24, 2000·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →