Inventor · disambiguated record
Hiroko Ohkura
Also filed as: OHKURA HIROKO
26 granted patents·9 pending applications·101 citations·filing 2001–2020
94Inventor score
Top patents by PatentIndex Score
35 records- 0192US11179940B2Liquid discharging device and wiping methodRICOH CO LTD·Filed 2019·Granted Nov 23, 2021·4 cites·11 claims
- 0290US7438965B2Phase-change information recording medium, manufacturing method for the same, sputtering target, method for using the phase-change information recording medium and optical recording apparatusRICOH KK·Filed 2005·Granted Oct 21, 2008·10 cites·23 claims
- 0387US11130343B2Wiping device, liquid discharging device, and wiping methodRICOH CO LTD·Filed 2019·Granted Sep 28, 2021·2 cites·12 claims
- 0487US6790592B2Phase-change optical information recording mediumRICOH KK·Filed 2001·Granted Sep 14, 2004·23 cites·17 claims
- 0583US6846611B2Phase-change optical recording mediumRICOH KK·Filed 2002·Granted Jan 25, 2005·17 cites·15 claims
- 0679US7507523B2Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical informationRICOH KK·Filed 2001·Granted Mar 24, 2009·14 cites·33 claims
- 0779US7242657B2Phase change type optical recording medium and recording method thereforRICOH KK·Filed 2003·Granted Jul 10, 2007·13 cites·13 claims
- 0877US6884487B2Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting methodRICOH KK·Filed 2003·Granted Apr 26, 2005·8 cites·49 claims
- 0974US7384678B2Optical recording medium and process for producing the same, sputtering target, using process of optical recording medium, and optical recording apparatusRICOH KK·Filed 2006·Granted Jun 10, 2008·2 cites·54 claims
- 1067US11780230B2Wiper, wiping device, liquid discharge apparatus, and wiping methodRICOH CO LTD·Filed 2019·Granted Oct 10, 2023·0 cites·15 claims
- 1167US8124315B2Optical recording mediumSEKIGUCHI HIROYOSHI·Filed 2005·Granted Feb 28, 2012·1 cites·13 claims
- 1266US7485357B2Optical recording mediumRICOH KK·Filed 2006·Granted Feb 3, 2009·4 cites·16 claims
- 1363US10889119B2Wiping device, wiping member, liquid discharging device, and wiping methodSAKON YOHTA·Filed 2019·Granted Jan 12, 2021·0 cites·10 claims
- 1462US11981141B2Wiping method and image forming apparatusFUJII ICHIROH·Filed 2020·Granted May 14, 2024·0 cites·16 claims
- 1559US9243179B2Reaction material and chemical heat pumpSHIREN YOHEI·Filed 2014·Granted Jan 26, 2016·1 cites·5 claims
- 1659US7364781B2Optical recording medium, recording material, method of producing optical recording medium and optical recording, reading and rewriting methodRICOH KK·Filed 2006·Granted Apr 29, 2008·0 cites·7 claims
- 1758US9453659B2Reaction material formed body and heat storage and release unitAMAN YASUTOMO·Filed 2014·Granted Sep 27, 2016·0 cites·12 claims
- 1857US12030090B2Wiping member, wiping method, and image forming apparatusRICOH CO LTD·Filed 2019·Granted Jul 9, 2024·0 cites·14 claims
- 1955US10759173B2Wiping member, wiping method, and wiping deviceOHKURA HIROKO·Filed 2019·Granted Sep 1, 2020·0 cites·14 claims
- 2055US8017209B2Optical recording mediumRICOH CO LTD·Filed 2007·Granted Sep 13, 2011·0 cites·14 claims
- 2155US7068591B2Information recording method and optical recording medium thereforRICOH KK·Filed 2005·Granted Jun 27, 2006·0 cites·3 claims
- 2255US6963527B2Information recording method and optical recording medium thereforRICOH KK·Filed 2003·Granted Nov 8, 2005·2 cites·9 claims
- 2351US7715293B2Optical recording medium and method of recording to the sameRICOH KK·Filed 2006·Granted May 11, 2010·0 cites·15 claims
- 2451US7626915B2Phase-change optical recording medium and recording and reproducing method thereofRICOH KK·Filed 2005·Granted Dec 1, 2009·0 cites·9 claims
- 2550US2009116344A1Information recording method, information recording medium, and information recording apparatusHIBINO EIKO·Filed 2007·Application pending·0 cites
- 2648US2005058055A1Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting methodFiled 2004·Application pending·0 cites
- 2747US8075974B2Optical recording mediumDEGUCHI HIROSHI·Filed 2007·Granted Dec 13, 2011·0 cites·12 claims
- 2847US7800993B2Optical recording medium, recording method thereof and evaluation method of optical recording mediumRICOH KK·Filed 2005·Granted Sep 21, 2010·0 cites·25 claims
- 2947US2009116365A1Optical Recording Medium and Optical Recording MethodRICOH KK·Filed 2006·Application pending·0 cites
- 3047US2006233998A1Optical recording medium, method for manufacturing the same, sputtering target, method for using optical recording medium, and optical recording apparatusTAKADA MIKIKO·Filed 2006·Application pending·0 cites
- 3146US2006088684A1Optical recording mediumRICOH KK·Filed 2005·Application pending·0 cites
- 3246US2006228649A1Optical recording mediumTAKADA MIKIKO·Filed 2006·Application pending·0 cites
- 3343US2001041240A1Optical recording medium, recording material, method of producing optical recording medium, and optical recording, reading and rewriting methodFiled 2001·Application pending·0 cites
- 3437US2016290685A1Heat storage and release unit, chemical heat pump, and non-electrified cooling unitAMAN YASUTOMO·Filed 2016·Application pending·0 cites
- 3534US2016327315A1Heat exchanger, chemical heat pump, and production method for producing heat exchangerMASUZAWA MASAHIRO·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →