Inventor · disambiguated record
Masayuki Iijima
Also filed as: IIJIMA MASAYUKI
73 granted patents·12 pending applications·928 citations·filing 1978–2024
99Inventor score
Files withDAINIPPON PRINTING CO LTD33KONICA MINOLTA INC26SANYO ELECTRIC CO11ULVAC INC5KONICA MINOLTA BUSINESS TECH2
Top patents by PatentIndex Score
85 records- 0196US7527085B2Electronic component cooling apparatusSANYO ELECTRIC CO·Filed 2005·Granted May 5, 2009·57 cites·28 claims
- 0296US5731116AElectrostatic information recording medium and electrostatic information recording and reproducing methodDAINIPPON PRINTING CO LTD·Filed 1995·Granted Mar 24, 1998·112 cites·37 claims
- 0396US5297132ADraw type optical recording mediumDAINIPPON PRINTING CO LTD·Filed 1987·Granted Mar 22, 1994·75 cites·6 claims
- 0487USD501450SElectronic component cooling apparatusSANYO ELECTRIC CO·Filed 2003·Granted Feb 1, 2005·33 cites·1 claims
- 0587US5718996AElectrostatic information recording medium and electrostatic information recording and reproducing methodDAINIPPON PRINTING CO LTD·Filed 1996·Granted Feb 17, 1998·39 cites·19 claims
- 0687US5587264AElectrostatic information recording medium and electrostatic information recording and reproducing methodDAINIPPON PRINTING CO LTD·Filed 1995·Granted Dec 24, 1996·40 cites·14 claims
- 0787US5547804ALiquid toner, ink composition, and methods of producing the sameDAINIPPON PRINTING CO LTD·Filed 1995·Granted Aug 20, 1996·42 cites·4 claims
- 0887US4624867AProcess for forming a synthetic resin film on a substrate and apparatus thereforULVAC CORP·Filed 1985·Granted Nov 25, 1986·75 cites·18 claims
- 0985US10384464B2Optical print head and image forming deviceKONICA MINOLTA INC·Filed 2017·Granted Aug 20, 2019·2 cites·12 claims
- 1085US5721042AElectrostatic information recording mediumDAINIPPON PRINTING CO LTD·Filed 1996·Granted Feb 24, 1998·32 cites·6 claims
- 1183US5583670APolymer dispersed liquid crystal information recording medium with information recording layer comprising acrylic or methacrylic resin having molecular weight of 25,000 to 100,000 and information recording and reproducing methodDIA NIPPON PRINTING CO LTD·Filed 1993·Granted Dec 10, 1996·38 cites·9 claims
- 1283US5439768AElectrostatic information recording medium and electrostatic information recording and reproducing methodDAINIPPON PRINTING CO LTD·Filed 1990·Granted Aug 8, 1995·29 cites·23 claims
- 1382US9358807B2Optical print head and image forming apparatusKONICA MINOLTA INC·Filed 2015·Granted Jun 7, 2016·2 cites·17 claims
- 1482US6927979B2Heat-emitting element cooling apparatusSANYO ELECTRIC CO·Filed 2003·Granted Aug 9, 2005·29 cites·14 claims
- 1582US5750238AElectrostatic information recording mediumDAINIPPON PRINTING CO LTD·Filed 1996·Granted May 12, 1998·27 cites·7 claims
- 1682US5477313ALiquid development and transfer apparatus for electrostatic latent imageDAINIPPON PRINTING CO LTD·Filed 1993·Granted Dec 19, 1995·21 cites·5 claims
- 1780US5607808ALiquid toner, ink composition, and methods of producing the sameDAINIPPON PRINTING CO LTD·Filed 1996·Granted Mar 4, 1997·29 cites·4 claims
- 1878US7251137B2Electronic component cooling apparatusSANYO ELECTRIC CO·Filed 2004·Granted Jul 31, 2007·21 cites·5 claims
- 1978US7170746B2Heat-emitting element cooling apparatusSANYO ELECTRIC CO·Filed 2005·Granted Jan 30, 2007·7 cites·6 claims
- 2077US10389904B2Image forming device, control method, and recording mediumKONICA MINOLTA INC·Filed 2018·Granted Aug 20, 2019·1 cites·12 claims
- 2176US10809643B2Optical scanning device and image forming device having the sameKONICA MINOLTA INC·Filed 2019·Granted Oct 20, 2020·1 cites·15 claims
- 2274US9671752B2Optical writing device equipped with light emitting elementsKONICA MINOLTA INC·Filed 2016·Granted Jun 6, 2017·1 cites·9 claims
- 2374US5739834AElectrostatic charge information reproducing methodDAINIPPON PRINTING CO LTD·Filed 1994·Granted Apr 14, 1998·17 cites·4 claims
- 2474US5516607AInformation recording medium and method of recording and reproducing electrostatic informationDAINIPPON PRINTING CO LTD·Filed 1994·Granted May 14, 1996·14 cites·9 claims
- 2573US10031437B2Light emitting device and image forming deviceKONICA MINOLTA INC·Filed 2015·Granted Jul 24, 2018·2 cites·12 claims
- 2671US9983500B2Optical writing device and image forming deviceKONICA MINOLTA INC·Filed 2016·Granted May 29, 2018·1 cites·14 claims
- 2771US9076741B2Light-emitting element, image forming apparatus, image display apparatus and image reading apparatusKONICA MINOLTA INC·Filed 2014·Granted Jul 7, 2015·2 cites·14 claims
- 2869US9671715B2Optical writing device and image forming deviceKONICA MINOLTA INC·Filed 2015·Granted Jun 6, 2017·1 cites·19 claims
- 2969US9465313B2Optical print head and image forming apparatusKONICA MINOLTA INC·Filed 2015·Granted Oct 11, 2016·1 cites·14 claims
- 3067USD516526SElectronic component cooling apparatusSANYO ELECTRIC CO·Filed 2003·Granted Mar 7, 2006·14 cites·1 claims
- 3167USD509483SHeat sinkSANYO ELECTRIC CO·Filed 2003·Granted Sep 13, 2005·14 cites·1 claims
- 3267US5683838AMethod of producing information recording mediumDAINIPPON PRINTING CO LTD·Filed 1995·Granted Nov 4, 1997·15 cites·2 claims
- 3366US5514504AInformation recording medium, and information recording a reproducing methodDAINIPPON PRINTING CO LTD·Filed 1993·Granted May 7, 1996·22 cites·27 claims
- 3465USD511326SElectronic component cooling apparatusSANYO ELECTRIC CO·Filed 2003·Granted Nov 8, 2005·13 cites·1 claims
- 3564US9471001B2Optical writing device and image forming deviceKONICA MINOLTA INC·Filed 2015·Granted Oct 18, 2016·1 cites·10 claims
- 3661US2025231022A1Three-dimensional shape measurement apparatus and measurement method, and non-transitory computer-readable recording mediumKONICA MINOLTA INC·Filed 2024·Application pending·0 cites
- 3760US2024384985A1Three-dimensional shape measurement apparatus, control method, and non-transitory computer-readable recording mediumKONICA MINOLTA INC·Filed 2024·Application pending·0 cites
- 3859US5981123AElectrostatic information recording medium and electrostatic information recording and reproducing methodDAINIPPON PRINTING CO LTD·Filed 1997·Granted Nov 9, 1999·19 cites·18 claims
- 3958US7432943B2Image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Oct 7, 2008·1 cites·5 claims
- 4058US2015114291A1Film formation deviceULVAC INC·Filed 2014·Application pending·0 cites
- 4158US2015114290A1Organic thin film formation deviceULVAC INC·Filed 2014·Application pending·0 cites
- 4255US4131450AProcess for manufacturing cobalt-base reduced powderMITSUBISHI METAL CORP·Filed 1978·Granted Dec 26, 1978·12 cites·4 claims
- 4355US2011117289A1Deposition Apparatus and Deposition MethodULVAC INC·Filed 2008·Application pending·0 cites
- 4454US9110399B2Optical writing device and image forming apparatusKONICA MINOLTA INC·Filed 2014·Granted Aug 18, 2015·0 cites·15 claims
- 4554US5527589AElectrostatic information recording mediumDAINIPPON PRINTING CO LTD·Filed 1992·Granted Jun 18, 1996·7 cites·3 claims
- 4654US2022000591A1Intraoral measurement deviceKONICA MINOLTA INC·Filed 2021·Application pending·0 cites
- 4752US9921515B2Optical writing device, image forming apparatus, and temperature calculation methodKONICA MINOLTA INC·Filed 2014·Granted Mar 20, 2018·0 cites·20 claims
- 4852US7639273B2Image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2008·Granted Dec 29, 2009·0 cites·2 claims
- 4952US2010151257A1Member Having an Anticorrosive Coating, Method of Manufacturing the Member, and Paint Composition for Manufacturing the MemberYUKEN KOGYO CO LTD·Filed 2008·Application pending·0 cites
- 5051US10635016B2Print head and image forming device having the sameKONICA MINOLTA INC·Filed 2018·Granted Apr 28, 2020·0 cites·9 claims
Showing the top 50 of 85 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →