Inventor · disambiguated record
Toshikazu Okubo
Also filed as: OKUBO TOSHIKAZU
11 granted patents·2 pending applications·76 citations·filing 1984–2018
88Inventor score
Top patents by PatentIndex Score
13 records- 0188US7936573B2Bi-directional DC-DC converter and control methodHITACHI LTD·Filed 2010·Granted May 3, 2011·13 cites·14 claims
- 0286US7692935B2Bi-directional DC-DC converter and control methodHITACHI LTD·Filed 2006·Granted Apr 6, 2010·22 cites·14 claims
- 0382US8440555B2Method for analyzing electrolytic copper plating solutionOKUBO TOSHIKAZU·Filed 2010·Granted May 14, 2013·3 cites·1 claims
- 0468US7820535B2Method for analyzing copper electroplating solution, apparatus for the analysis, and method for fabricating semiconductor productTOPPAN PRINTING CO LTD·Filed 2004·Granted Oct 26, 2010·8 cites·3 claims
- 0564US8203322B2DC-DC converterOKUBO TOSHIKAZU·Filed 2009·Granted Jun 19, 2012·7 cites·20 claims
- 0660US9572252B2Wiring substrate and method of manufacturing wiring substrateTOPPAN PRINTING CO LTD·Filed 2014·Granted Feb 14, 2017·0 cites·6 claims
- 0751US6156218AMethod of pretreatment for electroless nickel platingJAPAN ENERGY CORP·Filed 1998·Granted Dec 5, 2000·16 cites·5 claims
- 0848US4614568AHigh-speed silver plating and baths thereforNIPPON MINING CO·Filed 1984·Granted Sep 30, 1986·7 cites·10 claims
- 0947US10605771B2Electroplating solution analyzer and electroplating solution analysis methodTOPPAN PRINTING CO LTD·Filed 2017·Granted Mar 31, 2020·0 cites·7 claims
- 1035US2012275203A1Ac-dc converter and method of controlling sameSHIMADA TAKAE·Filed 2010·Application pending·0 cites
- 1133US2018228396A1Biosensor and a manufacturing method thereforTOPPAN PRINTING CO LTD·Filed 2018·Application pending·0 cites
- 1232US10557819B2Electrolytic copper plating solution analyzer, and electrolytic copper plating solution analysis methodTOPPAN PRINTING CO LTD·Filed 2016·Granted Feb 11, 2020·0 cites·6 claims
- 1331US9883586B2Wiring substrate for bonding using solder having a low melting point and method for manufacturing sameTOPPAN PRINTING CO LTD·Filed 2015·Granted Jan 30, 2018·0 cites·2 claims
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