Inventor · disambiguated record
Hiroyuki Hamakawa
Also filed as: HAMAKAWA HIROYUKI
23 granted patents·1 pending application·122 citations·filing 1988–2018
94Inventor score
Files withKYOCERA MITA CORP7KYOCERA DOCUMENT SOLUTIONS INC5MITA INDUSTRIAL CO LTD5HAMAKAWA HIROYUKI2NAKASHIRO KOICHI2
Top patents by PatentIndex Score
24 records- 0192US9098017B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2014·Granted Aug 4, 2015·7 cites·6 claims
- 0291US8750765B2Developing device and image forming apparatus provided therewithWATANABE AKIHIRO·Filed 2010·Granted Jun 10, 2014·7 cites·3 claims
- 0388US5121165ADeveloper unit and a toner hopper for an image forming deviceMITA INDUSTRIAL CO LTD·Filed 1989·Granted Jun 9, 1992·36 cites·9 claims
- 0480US5805959AProcess unitMITA INDUSTRIAL CO LTD·Filed 1997·Granted Sep 8, 1998·31 cites·1 claims
- 0579US7421226B2Developing device and image forming apparatusKYOCERA MITA CORP·Filed 2006·Granted Sep 2, 2008·6 cites·16 claims
- 0677US10175633B2Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2017·Granted Jan 8, 2019·1 cites·14 claims
- 0777US8889649B2Composition containing antisense oligonucleotide to micro RNANAKASHIRO KOICHI·Filed 2011·Granted Nov 18, 2014·4 cites·13 claims
- 0875US10365581B1Developing device and image forming apparatus including sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2018·Granted Jul 30, 2019·1 cites·13 claims
- 0971US9513579B2Developer replenishing apparatus including container having moving wallKYOCERA DOCUMENT SOLUTIONS INC·Filed 2016·Granted Dec 6, 2016·1 cites·15 claims
- 1066US8010025B2Developing unit and image forming deviceKYOCERA MITA CORP·Filed 2009·Granted Aug 30, 2011·2 cites·7 claims
- 1161US8112020B2Developing device and image-forming apparatusMABUCHI SAYO·Filed 2009·Granted Feb 7, 2012·2 cites·20 claims
- 1257US7555247B2Toner conveying device, developing device, and image forming device having the sameKYOCERA MITA CORP·Filed 2006·Granted Jun 30, 2009·1 cites·18 claims
- 1353US8190071B2Developing device forming toner layer by magnetic brush and image forming apparatus using sameHAMAKAWA HIROYUKI·Filed 2008·Granted May 29, 2012·1 cites·19 claims
- 1453US5752132AProcess unitMITA INDUSTRIAL CO LTD·Filed 1997·Granted May 12, 1998·12 cites·2 claims
- 1550US8249489B2Developing unit and image forming deviceHAMAKAWA HIROYUKI·Filed 2011·Granted Aug 21, 2012·0 cites·7 claims
- 1648US7826782B2Developing device and image forming apparatusKYOCERA MITA CORP·Filed 2008·Granted Nov 2, 2010·0 cites·21 claims
- 1746US5634174ADeveloper apparatus having toner concentration controlMITA INDUSTRIAL CO LTD·Filed 1996·Granted May 27, 1997·8 cites·12 claims
- 1845US8715931B2Method for analyzing cervical lymph node metastasis, and tumor marker for head and neck cancerNAKASHIRO KOICHI·Filed 2010·Granted May 6, 2014·0 cites·7 claims
- 1942US8903266B2Developing device and image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2013·Granted Dec 2, 2014·0 cites·4 claims
- 2042US7466943B2Image forming apparatus comprising a developer rollerKYOCERA MITA CORP·Filed 2006·Granted Dec 16, 2008·0 cites·23 claims
- 2140US7421227B2Developing device and image forming apparatusKYOCERA MITA CORP·Filed 2006·Granted Sep 2, 2008·0 cites·20 claims
- 2237US2007086801A1Image forming apparatusKYOCERA MITA CORP·Filed 2006·Application pending·0 cites
- 2336US8175503B2Developing device and image forming apparatus with intermediate roller for assuring efficient circulation of developerKOTERA ASAMI·Filed 2009·Granted May 8, 2012·0 cites·10 claims
- 2432US4966355ACopying paper feeding device for an alignment tray of a copy machineMITA INDUSTRIAL CO LTD·Filed 1988·Granted Oct 30, 1990·2 cites·3 claims
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