Inventor · disambiguated record
Yasushi Washio
Also filed as: WASHIO YASUSHI
13 granted patents·4 pending applications·65 citations·filing 1997–2015
88Inventor score
Files withTOKYO OHKA KOGYO CO LTD10SHOWA ALUMINUM CORP2WASHIO YASUSHI2MASUDA YASUO1SHIMIZU TAKAHIRO1
Top patents by PatentIndex Score
17 records- 0183US6838229B2Chemically amplified negative photoresist composition for the formation of thick films, photoresist base material and method of forming bumps using the sameTOKYO OHKA KOGYO CO LTD·Filed 2002·Granted Jan 4, 2005·22 cites·21 claims
- 0273US8507180B2Chemically amplified positive-type photoresist composition for thick film, chemically amplified dry film for thick film, and method for production of thick film resist patternWASHIO YASUSHI·Filed 2007·Granted Aug 13, 2013·7 cites·8 claims
- 0372US9091916B2Positive-type photoresist composition, photoresist laminate, method for producing photoresist pattern, and method for producing connecting terminalTOKYO OHKA KOGYO CO LTD·Filed 2013·Granted Jul 28, 2015·2 cites·8 claims
- 0464US6000886AEntry board for drilling small holes, a method of making the same and a method for drilling small holes through a printed circuit board by using said entry boardSHOWA ALUMINUM CORP·Filed 1997·Granted Dec 14, 1999·25 cites·19 claims
- 0560US9244354B2Method for producing thick film photoresist patternTOKYO OHKA KOGYO CO LTD·Filed 2012·Granted Jan 26, 2016·1 cites·5 claims
- 0650US8455058B2Resin composition and coating method using the sameWASHIO YASUSHI·Filed 2009·Granted Jun 4, 2013·0 cites·8 claims
- 0747US7598014B2Thick film photoresist composition and method of forming resist patternTOKYO OHKA KOGYO CO LTD·Filed 2004·Granted Oct 6, 2009·1 cites·5 claims
- 0846US7879525B2Chemically amplified photoresist composition, laminated product, and connection elementTOKYO OHKA KOGYO CO LTD·Filed 2004·Granted Feb 1, 2011·1 cites·7 claims
- 0946US7846640B2Developer composition for resists and method for formation of resist patternTOKYO OHKA KOGYO CO LTD·Filed 2004·Granted Dec 7, 2010·1 cites·2 claims
- 1046US7335465B2Developer composition for resists and method for formation of resist patternTOKYO OHKA KOGYO CO LTD·Filed 2004·Granted Feb 26, 2008·1 cites·11 claims
- 1145US2010045593A1Directional input deviceSUNARROW LTD·Filed 2007·Application pending·0 cites
- 1241US2009068341A1Positive photoresist composition, thick film photoresist laminate, method for producing thick film resist pattern, and method for producing connecting terminalTOKYO OHKA KOGYO CO LTD·Filed 2006·Application pending·0 cites
- 1339US2012141940A1Chemically amplified positive-type photoresist composition for thick film, and method for producing thick film resist patternSHIMIZU TAKAHIRO·Filed 2011·Application pending·0 cites
- 1436US8105763B2Method of forming plated product using negative photoresist composition and photosensitive composition used thereinMASUDA YASUO·Filed 2005·Granted Jan 31, 2012·0 cites·20 claims
- 1536US2003087187A1Thick film photoresist layer laminate, method of manufacturing thick film resist pattern, and method of manufacturing connecting terminalTOKYO OHKA KOGYO CO LTD·Filed 2002·Application pending·0 cites
- 1633US9557651B2Chemically amplified positive-type photosensitive resin compositionTOKYO OHKA KOGYO CO LTD·Filed 2015·Granted Jan 31, 2017·0 cites·2 claims
- 1731US6214135B1Entry board for drilling small holes, a method of making the same and a method for drilling small holes through a printed circuit board by using said entry boardSHOWA ALUMINUM CORP·Filed 1999·Granted Apr 10, 2001·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →