Inventor · disambiguated record
Masaru Sagiyama
Also filed as: SAGIYAMA MASARU
16 granted patents·271 citations·filing 1984–2000
94Inventor score
Top patents by PatentIndex Score
16 records- 0195US6562474B1Coated steel sheet having excellent corrosion resistance and method for producing the sameNIPPON KOKAN KK·Filed 2000·Granted May 13, 2003·97 cites·12 claims
- 0290US6509099B1Phosphate-treated steel plateNIPPON KOKAN KK·Filed 2000·Granted Jan 21, 2003·47 cites·33 claims
- 0385US4543300AIron-zinc alloy electro-galvanized steel sheet having a plurality of iron-zinc alloy coatingsNIPPON KOKAN KK·Filed 1984·Granted Sep 24, 1985·32 cites·10 claims
- 0455US6219482B1Metallic tubes for housing optical fibers and process for producing the sameHELIOS INC·Filed 1998·Granted Apr 17, 2001·18 cites·28 claims
- 0551US6136455ACoating composition for precoated steel sheet, precoated steel sheet, and process for preparing the sameNIPPON KOKAN KK·Filed 1998·Granted Oct 24, 2000·12 cites·16 claims
- 0648US6129995AZinciferous coated steel sheet and method for producing the sameNIPPON KOKAN KK·Filed 1998·Granted Oct 10, 2000·8 cites·8 claims
- 0747US6280535B2Manufacturing process on chromate-coated lead-containing galvanized steel sheet with anti-black patina property and anti-white rust propertyNIPPON KOKAN KK·Filed 1997·Granted Aug 28, 2001·12 cites·8 claims
- 0844US4929324AApparatus for removing electroplating metal deposited onto surface of conductor rollNIPPON KOKAN KK·Filed 1988·Granted May 29, 1990·7 cites·1 claims
- 0943US5316652AMethod for manufacturing iron-zinc alloy plated steel sheet having two plating layers and excellent in electropaintability and pressformabilityNIPPON KOKAN KK·Filed 1993·Granted May 31, 1994·6 cites·21 claims
- 1042US5409553AProcess for manufacturing galvannealed steel sheets having high press-formability and anti-powdering propertyNIPPON KOKAN KK·Filed 1991·Granted Apr 25, 1995·9 cites·2 claims
- 1140US5518769AProcess for manufacturing galvannealed steel sheet having excellent anti-powdering propertyNIPPON KOKAN KK·Filed 1994·Granted May 21, 1996·8 cites·2 claims
- 1236US5225067AMethod for manufacturing iron-zinc alloy plated steel sheet having two plating layers and excellent in electropaintability and press-formabilityNIPPON KOKAN KK·Filed 1991·Granted Jul 6, 1993·6 cites·3 claims
- 1334US4904545AComposite electroplated steel sheetNIPPON KOKAN KK·Filed 1988·Granted Feb 27, 1990·4 cites·38 claims
- 1431US5006420AElectroplated steel sheet having a plurality of coatings, excellent in workability, corrosion resistance and water-resistant paint adhesivityNIPPON KOKAN KK·Filed 1990·Granted Apr 9, 1991·2 cites·2 claims
- 1531US4601801AVertical type electro-galvanizing apparatusNIPPON KOKAN KK·Filed 1985·Granted Jul 22, 1986·2 cites·3 claims
- 1630US5202012AMethod for manufacturing zinciferous electroplated steel sheet excellent in press-formabilityNIPPON KOKAN KK·Filed 1992·Granted Apr 13, 1993·1 cites·6 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →