Inventor
KATAOKA TAKASHI
JP70 patents
⚠️ This page may combine multiple inventors who share the name “KATAOKA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI MINING & SMELTING CO
14 patentsUS6270889B1Aug 7, 2001
Making and using an ultra-thin copper foil
MITSUI MINING & SMELTING CO64 citations95
US6660406B2Dec 9, 2003
Method for manufacturing printed wiring board comprising electrodeposited copper foil with carrier and resistor circuit; and printed wiring board comprising resistor circuit
MITSUI MINING & SMELTING CO26 citations92
US6319620B1Nov 20, 2001
Making and using an ultra-thin copper foil
MITSUI MINING & SMELTING CO22 citations92
US6183880B1Feb 6, 2001
Composite foil of aluminum and copper
MITSUI MINING & SMELTING CO46 citations92
US6969557B2Nov 29, 2005
Surface-treated copper foil low-dielectric substrate and copper-clad laminate and printed wiring board using the same
MITSUI MINING & SMELTING CO17 citations83
US6902824B2Jun 7, 2005
Copper foil and metal foil with carrier foil for printed wiring board, and semi-additive process for producing printed wiring board using the same
MITSUI MINING & SMELTING CO9 citations74
US6548153B2Apr 15, 2003
Composite material used in making printed wiring boards
MITSUI MINING & SMELTING CO10 citations74
US6544663B1Apr 8, 2003
Electrodeposited copper foil
MITSUI MINING & SMELTING CO10 citations68
US6827867B2Dec 7, 2004
Method for manufacturing printed wiring board
MITSUI MINING & SMELTING CO4 citations63
US6716572B2Apr 6, 2004
Manufacturing process for printed wiring board
MITSUI MINING & SMELTING CO5 citations63
US6585877B2Jul 1, 2003
Method of producing a surface-treated copper foil
MITSUI MINING & SMELTING CO4 citations63
US6579437B2Jun 17, 2003
Method of producing a surface-treated copper foil
MITSUI MINING & SMELTING CO3 citations63
US6533915B2Mar 18, 2003
Surface-treated copper foil, method of producing the surface-treated copper foil, and copper-clad laminate employing the surface-treated copper foil
MITSUI MINING & SMELTING CO4 citations63
US6531045B2Mar 11, 2003
Surface-treated copper foil, method of producing the surface-treated copper foil, and copper-clad laminate employing the surface-treated copper foil
MITSUI MINING & SMELTING CO2 citations63
NIPPON STEEL CORP
11 patentsUS12378676B2Aug 5, 2025
Grain-oriented electrical steel sheet and manufacturing method of the same
NIPPON STEEL CORP0 citations62
US12123068B2Oct 22, 2024
Grain oriented electrical steel sheet and producing method thereof
NIPPON STEEL CORP0 citations62
US12104219B2Oct 1, 2024
Grain-oriented electrical steel sheet and method for manufacturing same and annealing separator
NIPPON STEEL CORP0 citations62
US11970751B2Apr 30, 2024
Grain-oriented electrical steel sheet and method for manufacturing the same
NIPPON STEEL CORP0 citations62
US11591668B2Feb 28, 2023
Grain-oriented electrical steel sheet and method for manufacturing same and annealing separator
NIPPON STEEL CORP0 citations62
US11393612B2Jul 19, 2022
Grain-oriented electrical steel sheet
NIPPON STEEL CORP0 citations62
US12424360B2Sep 23, 2025
Grain-oriented electrical steel sheet and method for manufacturing same
NIPPON STEEL CORP1 citations61
US11145446B2Oct 12, 2021
Grain-oriented electrical steel sheet
NIPPON STEEL CORP0 citations61
US12512240B2Dec 30, 2025
Grain-oriented electrical steel sheet and method for manufacturing same
NIPPON STEEL CORP1 citations60
US11603575B2Mar 14, 2023
Grain-oriented electrical steel sheet and method for producing thereof
NIPPON STEEL CORP0 citations56
US12365973B2Jul 22, 2025
Manufacturing method of grain-oriented electrical steel sheet
NIPPON STEEL CORP0 citations52
PILOT INK CO LTD
7 patentsUS4720301AJan 19, 1988
Reversible heat sensitive recording composition
PILOT INK CO LTD156 citations99
US4421560ADec 20, 1983
Thermochromatic materials
PILOT INK CO LTD171 citations98
US4681791AJul 21, 1987
Thermochromic textile material
PILOT INK CO LTD181 citations96
US4028118AJun 7, 1977
Thermochromic materials
PILOT INK CO LTD345 citations96
US4732810AMar 22, 1988
Reversible temperature-indicating composition
PILOT INK CO LTD76 citations95
US4554565ANov 19, 1985
Method of producing reversible thermochromic display
PILOT INK CO LTD71 citations95
US5079049AJan 7, 1992
Artificial plant that stably exhibits different colors
PILOT INK CO LTD20 citations82
NISHIKAWA YUKIE
2 patentsNIPPON STEEL & SUMITOMO METAL CORP
2 patentsUS11680302B2Jun 20, 2023
Grain-oriented electrical steel sheet and hot-rolled steel sheet for grain-oriented electrical steel sheet
NIPPON STEEL & SUMITOMO METAL CORP2 citations73
US10907234B2Feb 2, 2021
Grain-oriented electrical steel sheet and decarburized steel sheet used for manufacturing the same
NIPPON STEEL & SUMITOMO METAL CORP0 citations63
MITSUI TOATSU CHEMICALS
2 patentsNSK AMERICAS INC
2 patentsHITACHI LTD
1 patentSHIBAHASHI YUTAKA
1 patentEBARA CORP
1 patentNSK LTD
1 patentKITO TSUTOMU
1 patentTOSHIBA KK
1 patentKATAOKA TAKASHI
1 patentSANYO ELECTRIC CO
1 patentFUJIFILM CORP
1 patentTSUKADA TSUTOMU
1 patentShowing the top 50 of 70 patents by PatentIndex Score.