Inventor · disambiguated record
Yasushi Okubo
Also filed as: OKUBO YASUSHI
47 granted patents·12 pending applications·358 citations·filing 1999–2023
97Inventor score
Top patents by PatentIndex Score
59 records- 0197US6656608B1Electroluminescent material, electroluminescent element and color conversion filterKONISHIROKU PHOTO IND·Filed 1999·Granted Dec 2, 2003·169 cites·12 claims
- 0294US7569259B2Plasticizer, cellulose ester film, polarizing plate, and liquid crystal displayKONICA MINOLTA OPTO INC·Filed 2005·Granted Aug 4, 2009·17 cites·9 claims
- 0389US6478185B2Tablet vessel feed apparatusYUYAMA MFG CO LTD·Filed 2001·Granted Nov 12, 2002·36 cites·8 claims
- 0488US9972802B2Organic electroluminescent elementKONICA MINOLTA INC·Filed 2013·Granted May 15, 2018·7 cites·15 claims
- 0586US6946519B2Organic-inorganic hybrid film, its manufacturing method, optical film, and polarizing filmKONISHIROKU PHOTO IND·Filed 2003·Granted Sep 20, 2005·24 cites·13 claims
- 0683US8043771B2Phase shift mask blank and method of manufacturing phase shift maskHOYA CORP·Filed 2009·Granted Oct 25, 2011·6 cites·16 claims
- 0781US7348063B2Film substrate and its manufacturing methodKONICA CORP·Filed 2006·Granted Mar 25, 2008·2 cites·11 claims
- 0879US10101650B2Mask blank, transfer mask, method for manufacturing transfer mask, and method for manufacturing semiconductor deviceHOYA CORP·Filed 2014·Granted Oct 16, 2018·2 cites·22 claims
- 0979US9494852B2Mask blank and method of manufacturing phase shift maskHOYA CORP·Filed 2013·Granted Nov 15, 2016·2 cites·15 claims
- 1079US8663875B2Method of manufacturing a photomaskOKUBO YASUSHI·Filed 2010·Granted Mar 4, 2014·3 cites·17 claims
- 1177US7871713B2Electroluminescent material, electroluminescent element and color conversion filterKONICA CORP·Filed 2006·Granted Jan 18, 2011·6 cites·13 claims
- 1277US7709161B2Photomask producing method and photomask blankHOYA CORP·Filed 2007·Granted May 4, 2010·4 cites·17 claims
- 1376US8048591B2Mask blank glass substrate, mask blank glass substrate manufacturing method, mask blank manufacturing method, and mask manufacturing methodHOYA CORP·Filed 2009·Granted Nov 1, 2011·4 cites·12 claims
- 1476US7655364B2Methods of manufacturing mask blank and transfer maskHOYA CORP·Filed 2008·Granted Feb 2, 2010·3 cites·7 claims
- 1574US9075319B2Mask blank and transfer maskHASHIMOTO MASAHIRO·Filed 2010·Granted Jul 7, 2015·2 cites·14 claims
- 1674US8021804B2Photomask manufacturing methodHOYA CORP·Filed 2009·Granted Sep 20, 2011·4 cites·12 claims
- 1772US7794900B2Mask blank substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, and mask blank substrateHOYA CORP·Filed 2009·Granted Sep 14, 2010·2 cites·30 claims
- 1872US7323530B2Transparent resin film, its manufacturing method, electronic display, liquid crystal display, organic EL display, and touch panelKONICA MINOLTA HOLDINGS INC·Filed 2004·Granted Jan 29, 2008·15 cites·8 claims
- 1972US7264890B2Electroluminescent material, electroluminescent element and color conversion filterKONICA CORP·Filed 2003·Granted Sep 4, 2007·8 cites·21 claims
- 2071US9941422B2Organic photoelectric conversion element and solar cell using the sameKONICA MINOLTA INC·Filed 2013·Granted Apr 10, 2018·1 cites·16 claims
- 2171US8546684B2Organic photoelectric conversion element and organic photoelectric conversion element manufacturing methodNOJIMA TAKAHIKO·Filed 2009·Granted Oct 1, 2013·5 cites·7 claims
- 2271US7316851B2Electroluminescent material, electroluminescent element and color conversion filterKONICA CORP·Filed 2003·Granted Jan 8, 2008·8 cites·13 claims
- 2370US8664518B2Organic photoelectric conversion element and producing method of the sameWACHI AYAKO·Filed 2010·Granted Mar 4, 2014·3 cites·6 claims
- 2469US7314690B2Photomask producing method and photomask blankHOYA CORP·Filed 2004·Granted Jan 1, 2008·9 cites·21 claims
- 2569US7141304B2Film substrate and its manufacturing methodKONICA CORP·Filed 2001·Granted Nov 28, 2006·7 cites·9 claims
- 2663US10527931B2Mask blank, transfer mask, method for manufacturing transfer mask, and method for manufacturing semiconductor deviceHOYA CORP·Filed 2018·Granted Jan 7, 2020·0 cites·20 claims
- 2763US9318707B2Organic photoelectric conversion element, and solar cell and optical sensor array each using sameKONICA MINOLTA INC·Filed 2012·Granted Apr 19, 2016·1 cites·14 claims
- 2863US2025305957A1Bonded state prediction system, bonded state prediction method, bonded state prediction program and method for producing bonded articleKONICA MINOLTA INC·Filed 2023·Application pending·0 cites
- 2962US9935269B2Electroluminescence elementKONICA MINOLTA INC·Filed 2013·Granted Apr 3, 2018·1 cites·17 claims
- 3062US8114556B2Photomask blank and production method thereof, and photomask production method, and semiconductor device production methodYAMADA TAKEYUKI·Filed 2006·Granted Feb 14, 2012·1 cites·32 claims
- 3162US7901842B2Photomask blank and method of producing the same, method of producing photomask, and method of producing semiconductor deviceHOYA CORP·Filed 2006·Granted Mar 8, 2011·1 cites·25 claims
- 3262US7820255B2Transparent film for display substrate, display substrate using the film and method of manufacturing the same, liquid crystal display, organic electroluminescence display, and touch panelKONICA MINOLTA HOLDINGS INC·Filed 2004·Granted Oct 26, 2010·3 cites·19 claims
- 3360US7794901B2Method of manufacturing mask blank and transfer maskHOYA CORP·Filed 2009·Granted Sep 14, 2010·0 cites·24 claims
- 3458US9952497B2Mask blank and method of manufacturing phase shift maskHOYA CORP·Filed 2016·Granted Apr 24, 2018·0 cites·16 claims
- 3558US7648807B2Mask blank substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, and mask blank substrateHOYA CORP·Filed 2008·Granted Jan 19, 2010·0 cites·15 claims
- 3656US2006069192A1Method for manufacturing cellulose ester film, and cellulose ester film, optical film, polarizing plate and liquid crystal display device using the sameKONICA MINOLTA OPTO INC·Filed 2005·Application pending·0 cites
- 3753US8697315B2Photomask blank and production method thereof, and photomask production method, and semiconductor device production methodYAMADA TAKEYUKI·Filed 2012·Granted Apr 15, 2014·0 cites·20 claims
- 3852US2008113204A1Transparent resin film, its manufacturing method, electronic display, liquid crystal display, organic EL display, and touch panelOKUBO YASUSHI·Filed 2007·Application pending·0 cites
- 3951US2016285008A1Organic electroluminescent element, display device, and lighting deviceKONICA MINOLTA INC·Filed 2014·Application pending·0 cites
- 4049US8967848B2Lighting deviceOKUBO YASUSHI·Filed 2009·Granted Mar 3, 2015·0 cites·11 claims
- 4149US8729387B2Organic photoelectric conversion element, solar cell and optical sensor arrayOKUBO YASUSHI·Filed 2009·Granted May 20, 2014·0 cites·14 claims
- 4249US8048596B2Photomask producing method and photomask blankHOYA CORP·Filed 2010·Granted Nov 1, 2011·0 cites·15 claims
- 4349US7955763B2Mask blank glass substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, mask blank glass substrate, mask blank, and maskHOYA CORP·Filed 2010·Granted Jun 7, 2011·0 cites·9 claims
- 4448US7713663B2Mask blank, manufacturing method of mask blank, manufacturing method of transfer mask and manufacturing method of semiconductor deviceHOYA CORP·Filed 2004·Granted May 11, 2010·2 cites·13 claims
- 4548US2008213512A1Method for manufacturing cellulose ester film, and cellulose ester film, optical film, polarizing plate and liquid crystal display device using the sameKONICA MINOLTA OPTO INC·Filed 2008·Application pending·0 cites
- 4648US2009074989A1Cellulose Ester Film, Manufacturing Method Thereof, Optical Film, Polarizing Plate and Liquid Crystal DisplayKONICA MINOLTA OPTO INC·Filed 2006·Application pending·0 cites
- 4747US9882072B2Solar cell and transparent electrodeKONICA MINOLTA INC·Filed 2013·Granted Jan 30, 2018·0 cites·19 claims
- 4847US8367276B2Mask blank and method of manufacturing maskHOYA CORP·Filed 2008·Granted Feb 5, 2013·0 cites·15 claims
- 4945US9634261B2Organic photoelectric conversion element and solar cell using sameOKUBO YASUSHI·Filed 2011·Granted Apr 25, 2017·0 cites·27 claims
- 5045US7851108B2Mask blank glass substrate manufacturing method, mask blank manufacturing method, mask manufacturing method, mask blank glass substrate, mask blank, and maskHOYA CORP·Filed 2006·Granted Dec 14, 2010·0 cites·23 claims
Showing the top 50 of 59 patent records by PatentIndex Score.
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