Inventor · disambiguated record
Masashi Hiroki
Also filed as: HIROKI MASASHI
60 granted patents·28 pending applications·517 citations·filing 1987–2014
99Inventor score
Top patents by PatentIndex Score
88 records- 0198US7850299B2Image forming apparatusTOSHIBA KK·Filed 2007·Granted Dec 14, 2010·31 cites·10 claims
- 0297US8087769B2Method and apparatus for forming imageHIROKI MASASHI·Filed 2010·Granted Jan 3, 2012·29 cites·8 claims
- 0396US6959986B2Liquid ink and recording apparatusTOSHIBA KK·Filed 2003·Granted Nov 1, 2005·54 cites·23 claims
- 0495US8215757B2Ink jet apparatus and liquid circulating methodKURIBAYASHI YASUSHI·Filed 2010·Granted Jul 10, 2012·12 cites·19 claims
- 0595US7500745B2Liquid ink and recording apparatusTOSHIBA TEC KK·Filed 2006·Granted Mar 10, 2009·16 cites·16 claims
- 0694US7803851B2Inkjet inkTOSHIBA TEC KK·Filed 2006·Granted Sep 28, 2010·20 cites·18 claims
- 0793US7125112B2Liquid ink and recording apparatusTOSHIBA KK·Filed 2005·Granted Oct 24, 2006·12 cites·2 claims
- 0892US7393400B2Non-aqueous ink composition for ink jetTOSHIBA TEC KK·Filed 2005·Granted Jul 1, 2008·13 cites·10 claims
- 0992US7108367B2Liquid ink and recording apparatusTOSHIBA KK·Filed 2005·Granted Sep 19, 2006·10 cites·5 claims
- 1091US8833897B2Inkjet device and controlling method for inkjet deviceTOSHIBA TEC KK·Filed 2013·Granted Sep 16, 2014·6 cites·20 claims
- 1188US8118423B2Image forming apparatusHIROKI MASASHI·Filed 2010·Granted Feb 21, 2012·4 cites·10 claims
- 1287US7265768B2Image forming apparatusTOSHIBA TEC KK·Filed 2006·Granted Sep 4, 2007·6 cites·14 claims
- 1386US7708821B2Aqueous ink for inkjet recordingTOSHIBA TEC KK·Filed 2008·Granted May 4, 2010·7 cites·19 claims
- 1484US7300508B2Ink composition for inkjetTOSHIBA TEC KK·Filed 2005·Granted Nov 27, 2007·6 cites·14 claims
- 1583US6647233B2Image forming apparatusTOSHIBA KK·Filed 2002·Granted Nov 11, 2003·22 cites·17 claims
- 1683US6498911B2Fixing device with reduced power consumption and shortened warm-up timeTOSHIBA TEC KK·Filed 2001·Granted Dec 24, 2002·21 cites·18 claims
- 1782US7387380B2Liquid ink and recording apparatusTOSHIBA TEC KK·Filed 2006·Granted Jun 17, 2008·4 cites·4 claims
- 1882US7030895B2Image forming apparatusTOSHIBA TEC KK·Filed 2003·Granted Apr 18, 2006·15 cites·40 claims
- 1981US8328309B2Ink jet head and method of driving the sameIZUMI TAKAO·Filed 2011·Granted Dec 11, 2012·3 cites·14 claims
- 2081US7850300B2Image forming apparatusTOSHIBA KK·Filed 2007·Granted Dec 14, 2010·4 cites·10 claims
- 2181US7754785B2Pigment dispersion, precursor of ink for UV-curing type ink-jet recording, method of ink-jet recording, printed matter, and method of manufacturing pigment dispersionTOSHIBA TEC KK·Filed 2008·Granted Jul 13, 2010·3 cites·11 claims
- 2281US7404852B2Inkjet ink, inkjet recording method, method of evaluating inkjet ink, and method of manufacturing inkjet inkTOSHIBA TEC KK·Filed 2006·Granted Jul 29, 2008·4 cites·5 claims
- 2379US7992993B2Method and apparatus for forming imageTOSHIBA KK·Filed 2007·Granted Aug 9, 2011·4 cites·10 claims
- 2479US6337967B1Image forming apparatus for superposing monochrome imagesTOSHIBA TEC KK·Filed 2000·Granted Jan 8, 2002·18 cites·19 claims
- 2578US6862422B2Image forming apparatus and image forming method having pressing members for pressing a belt-like memberTOSHIBA KK·Filed 2003·Granted Mar 1, 2005·14 cites·7 claims
- 2677US7896484B2Ink jet recording apparatusTOSHIBA KK·Filed 2008·Granted Mar 1, 2011·2 cites·13 claims
- 2776US4962430AImage reading body and image formation body detachably mounted to a control bodyTOSHIBA KK·Filed 1989·Granted Oct 9, 1990·31 cites·13 claims
- 2873US9223259B2Fixing device and image forming apparatusTOSHIBA TEC KK·Filed 2014·Granted Dec 29, 2015·1 cites·7 claims
- 2973US6522850B2Image forming apparatus having supporting member for supporting photosensitive beltTOSHIBA TEC KK·Filed 2001·Granted Feb 18, 2003·13 cites·13 claims
- 3072US7417074B2Ink for ink jet and ink jet recording apparatusTOSHIBA TEC KK·Filed 2004·Granted Aug 26, 2008·7 cites·17 claims
- 3171US8042931B2Method and apparatus for forming imageTOSHIBA KK·Filed 2007·Granted Oct 25, 2011·3 cites·17 claims
- 3270US7764297B2Image forming apparatusTOSHIBA KK·Filed 2007·Granted Jul 27, 2010·2 cites·10 claims
- 3369US7425525B2Washing solution for inkjet printer head and washing method using the solutionTOSHIBA TEC KK·Filed 2005·Granted Sep 16, 2008·1 cites·18 claims
- 3469US6600889B2Image forming apparatus having rotational control of selectively active development rollersTOSHIBA KK·Filed 2001·Granted Jul 29, 2003·11 cites·10 claims
- 3567US7439281B2Pigment dispersion, precursor of ink for UV-curing type ink-jet recording, method of ink-jet recording, printed matter, and method of manufacturing pigment dispersionTOSHIBA TEC KK·Filed 2004·Granted Oct 21, 2008·6 cites·5 claims
- 3667US6289192B1Color image forming apparatusTOKYO SHIBAURA ELECTRIC CO·Filed 2000·Granted Sep 11, 2001·10 cites·19 claims
- 3764US7311371B2Method for inkjet recordingTOSHIBA TEC KK·Filed 2006·Granted Dec 25, 2007·2 cites·12 claims
- 3862US6567639B1Fixing device for heat pressure fixing a record medium and method thereofTOSHIBA TEC KK·Filed 2000·Granted May 20, 2003·8 cites·13 claims
- 3961US7484826B2Method and apparatus for forming imageTOSHIBA KK·Filed 2007·Granted Feb 3, 2009·1 cites·20 claims
- 4059US5380394AImage forming apparatusTOSHIBA KK·Filed 1993·Granted Jan 10, 1995·19 cites·11 claims
- 4159US2011122177A1Ink Jet Recording ApparatusTOSHIBA KK·Filed 2011·Application pending·0 cites
- 4258US4891669AScanning apparatusTOSHIBA KK·Filed 1988·Granted Jan 2, 1990·10 cites·7 claims
- 4357US6661987B2Image forming apparatus for forming color imagesTOSHIBA KK·Filed 2002·Granted Dec 9, 2003·6 cites·19 claims
- 4457US6603936B2Fixing apparatus and fixing methodTOSHIBA KK·Filed 2000·Granted Aug 5, 2003·6 cites·35 claims
- 4557US4868672AImage reading device having a document handling systemTOSHIBA KK·Filed 1987·Granted Sep 19, 1989·14 cites·20 claims
- 4656US7645332B2Non-aqueous ink composition for inkjetTOSHIBA TEC KK·Filed 2006·Granted Jan 12, 2010·0 cites·7 claims
- 4755US8237757B2Image forming apparatusAOKI SHINJI·Filed 2010·Granted Aug 7, 2012·0 cites·16 claims
- 4854US7967410B2Method and apparatus for forming imageTOSHIBA KK·Filed 2008·Granted Jun 28, 2011·0 cites·12 claims
- 4954US7303621B2Ink composition for inkjetTOSHIBA TEC KK·Filed 2005·Granted Dec 4, 2007·0 cites·5 claims
- 5054US6952552B2Image forming apparatus and method that applies different voltages to pressing membersTOSHIBA TEC KK·Filed 2004·Granted Oct 4, 2005·4 cites·4 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Masashi Hiroki files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →