P

Inventor

HIRASAWA YUTAKA

JP33 patents
⚠️ This page may combine multiple inventors who share the name “HIRASAWA YUTAKA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI MINING & SMELTING CO

16 patents
US6270889B1Aug 7, 2001

Making and using an ultra-thin copper foil

MITSUI MINING & SMELTING CO64 citations95
US6605369B1Aug 12, 2003

Surface-treated copper foil and method for producing the same

MITSUI MINING & SMELTING CO19 citations92
US6319620B1Nov 20, 2001

Making and using an ultra-thin copper foil

MITSUI MINING & SMELTING CO22 citations92
US5545466AAug 13, 1996

Copper-clad laminate and printed wiring board

MITSUI MINING & SMELTING CO37 citations90
US5437914AAug 1, 1995

Copper-clad laminate and printed wiring board

MITSUI MINING & SMELTING CO46 citations90
US5858517AJan 12, 1999

Electrodeposited copper foil for printed wiring board and method of manufacturing the same

MITSUI MINING & SMELTING CO24 citations89
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
US5833819ANov 10, 1998

Copper foil for a printed circuit board, a process and an apparatus for producing the same

MITSUI MINING & SMELTING CO11 citations73
US6610418B1Aug 26, 2003

Electolytic copper foil with carrier foil and method for manufacturing the same

MITSUI MINING & SMELTING CO7 citations71
US6444112B1Sep 3, 2002

Manufacturing method of electrodeposited copper foil

MITSUI MINING & SMELTING CO9 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
US6479170B2Nov 12, 2002

Electrodeposited copper foil, method of inspecting physical properties thereof, and copper-clad laminate employing the electrodeposited copper foil

MITSUI MINING & SMELTING CO5 citations62
US5997710ADec 7, 1999

Copper foil for a printed circuit board, a process and an apparatus for producing the same

MITSUI MINING & SMELTING CO4 citations62
US6616827B2Sep 9, 2003

Filtration method of copper electrolyte

MITSUI MINING & SMELTING CO5 citations57

MORIYAMA SANGYO KK

7 patents

TOSHIBA KK

5 patents

JUKI KK

3 patents

MITSUI MINING & SMLETING CO LT

1 patent

NIPPON KAYAKU KK

1 patent