Inventor · disambiguated record
Masaharu Matsubara
Also filed as: MATSUBARA MASAHARU
19 granted patents·2 pending applications·35 citations·filing 2007–2024
90Inventor score
Files withKONICA MINOLTA INC12MATSUBARA MASAHARU3NAKAMURA MITSUTOSHI2UNIV SHINSHU2KONICA MINOLTA BUSINESS TECH1
Top patents by PatentIndex Score
21 records- 0190US10146147B2Magenta toner for electrostatic charge image developmentKONICA MINOLTA INC·Filed 2018·Granted Dec 4, 2018·6 cites·10 claims
- 0283US9703219B1Electrostatic image developing tonerKONICA MINOLTA INC·Filed 2016·Granted Jul 11, 2017·3 cites·11 claims
- 0380US8080359B2Image forming methodMATSUBARA MASAHARU·Filed 2007·Granted Dec 20, 2011·7 cites·12 claims
- 0478US8381764B2Check valveUNIV SHINSHU·Filed 2009·Granted Feb 26, 2013·11 cites·20 claims
- 0573US10031433B2Electrostatic charge image developing tonerKONICA MINOLTA INC·Filed 2017·Granted Jul 24, 2018·1 cites·18 claims
- 0671US9971266B2Method of producing toner for developing electrostatic imagesKONICA MINOLTA INC·Filed 2017·Granted May 15, 2018·1 cites·13 claims
- 0769US12287592B2Image forming method and image forming systemKONICA MINOLTA INC·Filed 2024·Granted Apr 29, 2025·0 cites·7 claims
- 0867US8037899B2Backflow preventerUNIV SHINSHU·Filed 2009·Granted Oct 18, 2011·5 cites·19 claims
- 0965US10739691B2Electrostatic image developing toner and developerKONICA MINOLTA INC·Filed 2019·Granted Aug 11, 2020·0 cites·8 claims
- 1060US10564558B2Electrostatic charge image developing toner and two-component developerKONICA MINOLTA INC·Filed 2019·Granted Feb 18, 2020·0 cites·7 claims
- 1156US9933720B2Electrostatic image developing tonerKONICA MINOLTA INC·Filed 2017·Granted Apr 3, 2018·0 cites·7 claims
- 1256US8497058B2Image forming method and method of recycling image forming materialNAKAMURA MITSUTOSHI·Filed 2010·Granted Jul 30, 2013·1 cites·9 claims
- 1353US10061219B2Electrostatic charge image developing white toner, manufacturing method thereof, image forming apparatus, and image forming methodKONICA MINOLTA INC·Filed 2017·Granted Aug 28, 2018·0 cites·9 claims
- 1452US9921506B2Electrophotographic image forming method and full color toner set for developing electrostatic imageKONICA MINOLTA INC·Filed 2016·Granted Mar 20, 2018·0 cites·20 claims
- 1548US8431320B2Toner manufacturing methodMATSUBARA MASAHARU·Filed 2011·Granted Apr 30, 2013·0 cites·11 claims
- 1644US7947420B2Image forming methodKONICA MINOLTA BUSINESS TECH·Filed 2008·Granted May 24, 2011·0 cites·17 claims
- 1743US8270884B2Image forming method using two pressure stepsMATSUBARA MASAHARU·Filed 2010·Granted Sep 18, 2012·0 cites·22 claims
- 1839US8057978B2Toner for electrophotographyYAMAGUCHI GO·Filed 2008·Granted Nov 15, 2011·0 cites·15 claims
- 1937US8431293B2Method of recycling image forming materialNAKAMURA MITSUTOSHI·Filed 2010·Granted Apr 30, 2013·0 cites·5 claims
- 2037US2020285166A1Toner for developing electrostatic image and image forming methodKONICA MINOLTA INC·Filed 2020·Application pending·0 cites
- 2134US2016313661A1Toner for developing electrostatically charged imagesKONICA MINOLTA INC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →