Inventor · disambiguated record
Kazumasa Okubo
Also filed as: OKUBO KAZUMASA
9 granted patents·7 pending applications·498 citations·filing 1990–2023
90Inventor score
Files withNIHON DENSHIZAIRYO KK6SATO PHARMA3JAPAN ELECTRONIC MATERIALS2SUMITOMO ELECTRIC INDUSTRIES2JAPAN ELECTRONIC MAT CORPORATION1
Top patents by PatentIndex Score
16 records- 0193US6853208B2Vertical probe cardNIHON DENSHIZAIRYO KK·Filed 2001·Granted Feb 8, 2005·64 cites·1 claims
- 0293US5670889AProbe card for maintaining the position of a probe in high temperature applicationNIHON DENSHIZAIRYO KK·Filed 1995·Granted Sep 23, 1997·136 cites·13 claims
- 0392US5134365AProbe card in which contact pressure and relative position of each probe end are correctly maintainedNIHON DENSHIZAIRYO KK·Filed 1991·Granted Jul 28, 1992·115 cites·1 claims
- 0490US5055778AProbe card in which contact pressure and relative position of each probe end are correctly maintainedNIHON DENSHIZAIRYO KK·Filed 1990·Granted Oct 8, 1991·97 cites·1 claims
- 0582US6300783B1Probe, manufacture of same, and vertically operative type probe card assembly employing sameNIHON DENSHIZAIRYO KK·Filed 1998·Granted Oct 9, 2001·45 cites·14 claims
- 0671US6294922B1Probe for testing a semiconductor integrated circuitNIHON DENSHIZAIRYO KK·Filed 1996·Granted Sep 25, 2001·28 cites·19 claims
- 0761US2025228796A1Skeletal muscle enhancerSATO PHARMA·Filed 2023·Application pending·0 cites
- 0860US2024269123A1Muscle regeneration promoterSATO PHARMA·Filed 2022·Application pending·0 cites
- 0949US2022249440A1Muscle regeneration promoterSATO PHARMA·Filed 2020·Application pending·0 cites
- 1049US2023258689A1Probe of probe card use, and method for manufacturing the sameJAPAN ELECTRONIC MAT CORPORATION·Filed 2022·Application pending·0 cites
- 1148US6013169AMethod of reforming a tip portion of a probeJAPAN ELECTRONIC MATERIALS·Filed 1998·Granted Jan 11, 2000·13 cites·9 claims
- 1244US2024280423A1Optical fiber-embedded pc steel strand, strain measurement device, and production method for optical fiber-embedded pc steel strandSUMITOMO ELECTRIC INDUSTRIES·Filed 2022·Application pending·0 cites
- 1337US2004040739A1Multilayer wiring board and method of manufacturing the sameFiled 2002·Application pending·0 cites
- 1435US10815664B2Coated PC steel stranded cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2016·Granted Oct 27, 2020·0 cites·13 claims
- 1531US2002153913A1Probe for the probe cardJAPAN ELECTRONIC MATERIALS·Filed 2001·Application pending·0 cites
- 1630US10184240B2Tank and method for constructing dikeKAJIMA CORP·Filed 2015·Granted Jan 22, 2019·0 cites·30 claims
Join the waitlist — get patent alerts
Get an alert when Kazumasa Okubo files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →