Inventor · disambiguated record
Mitsuru Oikawa
Also filed as: OIKAWA MITSURU
12 granted patents·1 pending application·20 citations·filing 1975–2020
84Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO3S PRINTING SOLUTION CO LTD3HITACHI LTD2OIKAWA MITSURU2OKADA HISAO1
Top patents by PatentIndex Score
13 records- 0189US9207568B2Developing unit adopting a two component agent and electrophotographic image forming apparatus employing the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Dec 8, 2015·5 cites·21 claims
- 0269US8644737B2Developing device and electrophotographic image forming apparatus including the sameOIKAWA MITSURU·Filed 2011·Granted Feb 4, 2014·2 cites·21 claims
- 0359US4020191AMethod for forming flat display panel phosphor dotsHITACHI LTD·Filed 1975·Granted Apr 26, 1977·9 cites·13 claims
- 0458US10126679B2Developing casing of a developing unit for an electrophotographic image forming apparatus having a developer collection inlet to collect developer moving along a discharge pathS PRINTING SOLUTION CO LTD·Filed 2017·Granted Nov 13, 2018·0 cites·19 claims
- 0555US10969739B2Developing device having air outletHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Apr 6, 2021·0 cites·20 claims
- 0655US10078292B2Toner cartridge, image forming apparatus including the same, and method for controlling the image forming apparatusS PRINTING SOLUTION CO LTD·Filed 2016·Granted Sep 18, 2018·0 cites·20 claims
- 0754US11237500B2Developing device with structure to prevent scattering toner using magnetic repulsive forceHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Feb 1, 2022·0 cites·18 claims
- 0851US10101687B2Developing apparatus and image forming apparatus having sameS PRINTING SOLUTION CO LTD·Filed 2015·Granted Oct 16, 2018·0 cites·15 claims
- 0942US8309288B2Color toner and preparation method thereofOKADA HISAO·Filed 2009·Granted Nov 13, 2012·0 cites·6 claims
- 1041US4248947AMethod for master pattern productionHITACHI LTD·Filed 1977·Granted Feb 3, 1981·4 cites·17 claims
- 1140US11487224B2Developing device with elastic film to block air inputHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Granted Nov 1, 2022·0 cites·15 claims
- 1238US2014183359A1Digital rate meter and radiation monitoring system using digital rate meterTOSHIBA KK·Filed 2013·Application pending·0 cites
- 1337US9223245B2Developing device to form a uniform developer layer on a developing member and electrophotographic image forming apparatus using the sameOIKAWA MITSURU·Filed 2012·Granted Dec 29, 2015·0 cites·16 claims
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