Inventor
IWAMURA TAKURO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “IWAMURA TAKURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI METAL CORP
6 patentsUS4749548AJun 7, 1988
Copper alloy lead material for use in semiconductor device
MITSUBISHI METAL CORP45 citations95
US4872048AOct 3, 1989
Semiconductor device having copper alloy leads
MITSUBISHI METAL CORP34 citations92
US5037471AAug 6, 1991
Method for manufacturing oxygen-free copper
MITSUBISHI METAL CORP22 citations89
US4901550AFeb 20, 1990
Manufacturing method of extra fine wire
MITSUBISHI METAL CORP38 citations89
US4830086AMay 16, 1989
Mold member and rapidly solidifying water cooled rotary roll member
MITSUBISHI METAL CORP7 citations73
US4886641ADec 12, 1989
Electrical contact spring material made of copper base alloy of high strength and toughness with reduced anisotropy in characteristics
MITSUBISHI METAL CORP6 citations62
MITSUBISHI MATERIALS CORP
3 patentsUS5705125AJan 6, 1998
Wire for electric railways
MITSUBISHI MATERIALS CORP22 citations90
US5143355ASep 1, 1992
Apparatus for manufacturing oxygen-free copper
MITSUBISHI MATERIALS CORP23 citations89
US5391243AFeb 21, 1995
Method for producing wire for electric railways
MITSUBISHI MATERIALS CORP14 citations71