Inventor
OKUBO MASAO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “OKUBO MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIHON DENSHIZAIRYO KK
6 patentsUS5670889ASep 23, 1997
Probe card for maintaining the position of a probe in high temperature application
NIHON DENSHIZAIRYO KK136 citations96
US6853208B2Feb 8, 2005
Vertical probe card
NIHON DENSHIZAIRYO KK64 citations95
US6300783B1Oct 9, 2001
Probe, manufacture of same, and vertically operative type probe card assembly employing same
NIHON DENSHIZAIRYO KK45 citations95
US5134365AJul 28, 1992
Probe card in which contact pressure and relative position of each probe end are correctly maintained
NIHON DENSHIZAIRYO KK115 citations94
US5055778AOct 8, 1991
Probe card in which contact pressure and relative position of each probe end are correctly maintained
NIHON DENSHIZAIRYO KK97 citations94
US6294922B1Sep 25, 2001
Probe for testing a semiconductor integrated circuit
NIHON DENSHIZAIRYO KK28 citations92
SUMITOMO CHEMICAL CO
5 patentsUS4171218AOct 16, 1979
Anticorrosive bellows
SUMITOMO CHEMICAL CO30 citations78
US4279648AJul 21, 1981
High silicon chromium nickel steel for strong nitric acid
SUMITOMO CHEMICAL CO13 citations72
US4585479AApr 29, 1986
Welding material of ferrite-austenite two-phase stainless steel and method of application
SUMITOMO CHEMICAL CO9 citations71
US4381941AMay 3, 1983
Method for improving surface defect of specific steel resistant to concentrated nitric acid
SUMITOMO CHEMICAL CO4 citations62
US4115148ASep 19, 1978
Method for preventing corrosion of a sulfur dioxide regenerating apparatus
SUMITOMO CHEMICAL CO5 citations62
HAGIWARA RESEARCH CORP
3 patentsUS5244667ASep 14, 1993
Silica-gel based antimicrobial composition having an antimicrobial coat of aluminosilicate on the surface of silica gel
HAGIWARA RESEARCH CORP44 citations95
US5413789AMay 9, 1995
Antimicrobial composition of aluminosilicate coated silica gel
HAGIWARA RESEARCH CORP29 citations92
US5298252AMar 29, 1994
Antimicrobial composition having resistance to heat and weathers
HAGIWARA RESEARCH CORP10 citations73
JAPAN ELECTRONIC MATERIALS
3 patentsUS4523144AJun 11, 1985
Complex probe card for testing a semiconductor wafer
JAPAN ELECTRONIC MATERIALS118 citations94
US4518914AMay 21, 1985
Testing apparatus of semiconductor wafers
JAPAN ELECTRONIC MATERIALS61 citations93
US6013169AJan 11, 2000
Method of reforming a tip portion of a probe
JAPAN ELECTRONIC MATERIALS13 citations73
FUJI XEROX CO LTD
3 patentsUS5778291AJul 7, 1998
Image forming apparatus having a transfer member positional downstream of a nip portion
FUJI XEROX CO LTD41 citations92
US5729799AMar 17, 1998
Image forming method and apparatus having a semiconductive intermediate transfer member
FUJI XEROX CO LTD8 citations72
US10437657B2Oct 8, 2019
Support system and non-transitory computer readable medium
FUJI XEROX CO LTD2 citations69