Inventor
YAMASHITA MASAAKI
JP67 patents
⚠️ This page may combine multiple inventors who share the name “YAMASHITA MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON KOKAN KK
27 patentsUS6562474B1May 13, 2003
Coated steel sheet having excellent corrosion resistance and method for producing the same
NIPPON KOKAN KK97 citations97
US4775600AOct 4, 1988
Highly corrosion-resistant surface-treated steel plate
NIPPON KOKAN KK62 citations95
US4659394AApr 21, 1987
Process for preparation of highly anticorrosive surface-treated steel plate
NIPPON KOKAN KK55 citations94
US4411964AOct 25, 1983
Composite coating steel sheets having good corrosion resistance paintability and corrosion resistance after paint coating
NIPPON KOKAN KK58 citations94
US4407899AOct 4, 1983
Surface treated steel sheets for paint coating
NIPPON KOKAN KK56 citations94
US6677053B2Jan 13, 2004
Surface-treated steel sheet and production method therefor
NIPPON KOKAN KK22 citations92
US6509099B1Jan 21, 2003
Phosphate-treated steel plate
NIPPON KOKAN KK47 citations92
US5496652AMar 5, 1996
Zinc-plated steel plate having resin coating film
NIPPON KOKAN KK26 citations92
US5387473AFeb 7, 1995
Weldable black steel sheet with low-gloss appearance
NIPPON KOKAN KK51 citations92
US6610422B1Aug 26, 2003
Coated steel sheet and method for manufacturing the same
NIPPON KOKAN KK52 citations91
US4889775ADec 26, 1989
Highly corrosion-resistant surface-treated steel plate
NIPPON KOKAN KK31 citations91
US5429880AJul 4, 1995
Organic composite coated steel sheet and a process for manufacturing the same
NIPPON KOKAN KK22 citations90
US6797411B2Sep 28, 2004
Galvanized steel sheet, method for manufacturing the same, and method for manufacturing press-formed product
NIPPON KOKAN KK15 citations82
US6617048B1Sep 9, 2003
Prepainted steel sheet and method for producing the same
NIPPON KOKAN KK9 citations73
US6280535B2Aug 28, 2001
Manufacturing process on chromate-coated lead-containing galvanized steel sheet with anti-black patina property and anti-white rust property
NIPPON KOKAN KK12 citations73
US5795660AAug 18, 1998
Organic composite coated steel sheet having a high corrosion resistance in a rust-contaminated environment
NIPPON KOKAN KK14 citations73
US5641578AJun 24, 1997
Weldable black steel sheet
NIPPON KOKAN KK13 citations73
US5393605AFeb 28, 1995
Zinciferous plated steel sheet excellent in press-formability and corrosion resistance
NIPPON KOKAN KK9 citations73
US5110689AMay 5, 1992
Multi-layered steel sheets
NIPPON KOKAN KK8 citations73
US4970126ANov 13, 1990
Highly corrosion-resistant, multi-layer coated steel sheets
NIPPON KOKAN KK15 citations73
US4450209AMay 22, 1984
Multi-layer surface-treated steel plate having zinc-containing layer
NIPPON KOKAN KK16 citations73
US6699592B2Mar 2, 2004
Galvannealed steel sheet and method for manufacturing the same
NIPPON KOKAN KK6 citations72
US6015628AJan 18, 2000
Organic composite coated steel sheet with good press formability and perforation corrosion resistance
NIPPON KOKAN KK12 citations72
US6136455AOct 24, 2000
Coating composition for precoated steel sheet, precoated steel sheet, and process for preparing the same
NIPPON KOKAN KK12 citations71
US4971636ANov 20, 1990
Method of producing highly corrosion-resistant surface-treated steel plates
NIPPON KOKAN KK11 citations69
US5997664ADec 7, 1999
Method for producing galvanized steel sheet
NIPPON KOKAN KK4 citations63
US5846660ADec 8, 1998
Organic composite coated steel plate
NIPPON KOKAN KK6 citations63
YANMAR CO LTD
6 patentsUSD764350SAug 23, 2016
Utility vehicle
YANMAR CO LTD19 citations92
USD763732SAug 16, 2016
Utility vehicle
YANMAR CO LTD23 citations92
USD529932SOct 10, 2006
Tractor
YANMAR CO LTD35 citations91
USD523027SJun 13, 2006
Tractor
YANMAR CO LTD22 citations91
US7128518B2Oct 31, 2006
Working vehicle
YANMAR CO LTD14 citations84
US7954315B2Jun 7, 2011
Hydraulic circuit structure of work vehicle
YANMAR CO LTD5 citations63
JFE STEEL CORP
5 patentsUS7063889B2Jun 20, 2006
Resin film and manufacturing method for the same, and resin laminated metal sheet using said resin film and manufacturing method for the same
JFE STEEL CORP18 citations90
US7338718B2Mar 4, 2008
Zinc hot dip galvanized steel plate excellent in press formability and method for production thereof
JFE STEEL CORP10 citations83
US7291402B2Nov 6, 2007
Surface-treated steel sheets of good white rust resistance, and method for producing them
JFE STEEL CORP18 citations81
US7842400B2Nov 30, 2010
Surface-treated steel sheet and method for manufacturing the same
JFE STEEL CORP3 citations62
US6861160B2Mar 1, 2005
Zinc-based plated steel sheet and method for manufacturing same
JFE STEEL CORP3 citations62
PFU LTD
5 patentsUS6172774B1Jan 9, 2001
Structure for supporting optical unit of image reader
PFU LTD15 citations84
US7357386B2Apr 15, 2008
Device and method for feeding paper
PFU LTD11 citations82
US5720477AFeb 24, 1998
Paper-feeding device
PFU LTD19 citations79
USD673566SJan 1, 2013
Scanner
PFU LTD2 citations63
USD673565SJan 1, 2013
Scanner
PFU LTD2 citations62
YOSHIDA SHOJI
2 patentsTDK CORP
2 patentsSAKAMOTO KUNIHIKO
1 patentYAMASHITA MASAAKI
1 patent(unassigned)
1 patentShowing the top 50 of 67 patents by PatentIndex Score.