Inventor · disambiguated record
Mikio Ikenishi
Also filed as: IKENISHI MIKIO
35 granted patents·10 pending applications·352 citations·filing 2002–2024
97Inventor score
Top patents by PatentIndex Score
45 records- 0198US8697592B2Glass substrate for information recording medium and magnetic information recording medium to which the glass substrate is appliedIKENISHI MIKIO·Filed 2012·Granted Apr 15, 2014·37 cites·22 claims
- 0298US6818576B2Glass substrate for information recording medium and magnetic information recording medium to which the glass substrate is appliedHOYA CORP·Filed 2002·Granted Nov 16, 2004·149 cites·11 claims
- 0393US8076014B2Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing methodTACHIWANA KAZUO·Filed 2007·Granted Dec 13, 2011·25 cites·33 claims
- 0493US7595272B2Optical glass, press-molding preform, process for the production thereof, optical element and process for the production thereofHOYA CORP·Filed 2006·Granted Sep 29, 2009·17 cites·16 claims
- 0592US8158541B2Optical glass, precision press-molding preform and optical elementIKENISHI MIKIO·Filed 2006·Granted Apr 17, 2012·11 cites·20 claims
- 0691US8222170B2Glass substrate for information recording medium and magnetic information recording medium to which the glass substrate is appliedIKENISHI MIKIO·Filed 2010·Granted Jul 17, 2012·10 cites·11 claims
- 0790US8357459B2Glass for use in substrate for information recording medium, substrate for information recording medium and information recording medium, and their manufacturing methodHOYA CORP·Filed 2011·Granted Jan 22, 2013·8 cites·25 claims
- 0887US8261579B2Optical glass, precision press-molding preform and optical elementIKENISHI MIKIO·Filed 2012·Granted Sep 11, 2012·7 cites·6 claims
- 0986US12187640B2Glass including a small-transmittance portion and a large-transmittance portionHOYA CORP·Filed 2020·Granted Jan 7, 2025·2 cites·19 claims
- 1086US8354352B2Optical glass, preform for press forming, optical element, and processes for producing theseHOYA CORP·Filed 2008·Granted Jan 15, 2013·9 cites·22 claims
- 1185US7595273B2Glass substrate for information recording medium, process for producing the glass substrate, information recording medium, and process for producing the sameHOYA CORP·Filed 2005·Granted Sep 29, 2009·10 cites·8 claims
- 1283US8652660B2Glass substrate for magnetic recording medium and its useISONO HIDEKI·Filed 2011·Granted Feb 18, 2014·7 cites·25 claims
- 1380US8198202B2Optical glass, glass material for press molding, optical element blank, optical element and manufacturing method thereofIKENISHI MIKIO·Filed 2009·Granted Jun 12, 2012·5 cites·12 claims
- 1480US7090937B2Glass substrate for information recording medium and magnetic information recording medium to which the glass substrate is appliedHOYA CORP·Filed 2004·Granted Aug 15, 2006·12 cites·19 claims
- 1576US9236077B2Glass for use as substrate for information recording medium, substrate for information recording medium and information recording medium, and their production methodsHOYA CORP·Filed 2014·Granted Jan 12, 2016·2 cites·13 claims
- 1675US12319607B2Glass substrate, method of manufacturing glass substrate, and method of manufacturing glass element using glass substrateHOYA CORP·Filed 2023·Granted Jun 3, 2025·0 cites·4 claims
- 1775US7972662B2Substrate for information recording medium, information recording medium and process for producing information recording mediumHOYA CORP·Filed 2007·Granted Jul 5, 2011·2 cites·4 claims
- 1874US7670978B2Optical glass, precision press molding preform and optical elementHOYA CORP·Filed 2006·Granted Mar 2, 2010·3 cites·9 claims
- 1974US7601446B2Substrate for information recording medium, information recording medium and method for manufacturing sameHOYA CORP·Filed 2003·Granted Oct 13, 2009·12 cites·14 claims
- 2074US7208238B2Substrate for information recording medium, information recording medium and process for producing information recording mediumHOYA CORP·Filed 2003·Granted Apr 24, 2007·10 cites·13 claims
- 2172US8431499B2Optical glass, glass material for press molding, optical element blank, optical element and manufacturing method thereofIKENISHI MIKIO·Filed 2012·Granted Apr 30, 2013·2 cites·13 claims
- 2266US8713970B2Method for producing fluorophosphate glass, glass material for press molding and optical elementIKENISHI MIKIO·Filed 2011·Granted May 6, 2014·1 cites·4 claims
- 2366US8642490B2Fluorophosphate glass, precision press molding preform, optical element blank, optical element and method of manufacturing the sameIKENISHI MIKIO·Filed 2009·Granted Feb 4, 2014·1 cites·22 claims
- 2465US11031038B2Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacerHOYA CORP·Filed 2019·Granted Jun 8, 2021·1 cites·20 claims
- 2565US2009220824A1Glass substrate for information recording medium and magnetic information recording medium to which the glass substrate is appliedHOYA CORP·Filed 2009·Application pending·0 cites
- 2664US7462411B2Substrate for information recording medium, information recording medium and process for producing the sameHOYA CORP·Filed 2003·Granted Dec 9, 2008·5 cites·8 claims
- 2763US11682425B2Glass spacer, hard disk drive apparatus, and method for manufacturing glass spacerHOYA CORP·Filed 2021·Granted Jun 20, 2023·0 cites·20 claims
- 2861US8633121B2Fluorophosphate glass, glass material for press molding, optical element blank, optical element, processes for production of same, and process for production of glass moldingsIKENISHI MIKIO·Filed 2009·Granted Jan 21, 2014·0 cites·17 claims
- 2961US2024361512A1High elastic-glass substrate for light guide plate with double-sided diffractive optical element for transparent displayHOYA CORP·Filed 2024·Application pending·0 cites
- 3060US7964298B2Glass for chemical strengthening, substrate for information recording media and information recording mediaHOYA CORP·Filed 2003·Granted Jun 21, 2011·3 cites·23 claims
- 3159US8476176B2Phosphate glass, fluorophosphate glass, preform for precision press-molding, optical element and process for the production of thereofIKENISHI MIKIO·Filed 2012·Granted Jul 2, 2013·0 cites·4 claims
- 3258US9868661B2Glass lens blank for polishing, manufacturing method therefore, and optical lens manufacturing methodIKENISHI MIKIO·Filed 2014·Granted Jan 16, 2018·0 cites·17 claims
- 3357US8183169B2Phosphate glass, fluorophosphate glass, preform for precision press-molding, optical element and process for the production of thereofIKENISHI MIKIO·Filed 2007·Granted May 22, 2012·1 cites·4 claims
- 3456US8785011B2Glass for use as substrate for information recording medium, substrate for information recording medium and information recording medium, and their production methodsTACHIWANA KAZUO·Filed 2012·Granted Jul 22, 2014·0 cites·30 claims
- 3556US2006205584A1Glass substrate for information recording medium and magnetic information recording medium to which the glass substrate is appliedHOYA CORP·Filed 2006·Application pending·0 cites
- 3655US8637415B2Fluorophosphate glass, precision press molding preform, optical element blank, optical element and methods of manufacturing the sameIKENISHI MIKIO·Filed 2009·Granted Jan 28, 2014·0 cites·22 claims
- 3753US2023202917A1GlassHOYA CORP·Filed 2022·Application pending·0 cites
- 3853US2009247388A1Fluorophosphate glass, glass material for press molding, optical element blank, optical element and methods of manufacturing the sameHOYA CORP·Filed 2009·Application pending·0 cites
- 3952US8883330B2Glass for chemical strengthening, substrate for information recording media and information recording mediaIKENISHI MIKIO·Filed 2011·Granted Nov 11, 2014·0 cites·24 claims
- 4047US2005188724A1Process for the production of precision press-molding preform and process for the production of optical elementHOYA CORP·Filed 2005·Application pending·0 cites
- 4147US2015197446A1Glass molded article and method for producing same, optical element blank, and optical element and method for producing sameIKENISHI MIKIO·Filed 2013·Application pending·0 cites
- 4246US9656905B2Fluorophosphate glass and method for producing the same and near-infrared absorbing filterIKENISHI MIKIO·Filed 2012·Granted May 23, 2017·0 cites·8 claims
- 4346US2015218043A1Glass molded article and method for producing same, optical element blank, and optical element and method for producing sameIKENISHI MIKIO·Filed 2013·Application pending·0 cites
- 4442US2007096067A1Lens, near-infrared ray absorption glass lot and manufacturing method thereforeHOYA CORP·Filed 2006·Application pending·0 cites
- 4536US2005181218A1Glass substrate for information recording media and information recording mediumHOYA CORP·Filed 2003·Application pending·0 cites
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