Inventor · disambiguated record
Yoshiya Tomatsu
Also filed as: TOMATSU YOSHIYA
96 granted patents·3 pending applications·657 citations·filing 1988–2022
99Inventor score
Top patents by PatentIndex Score
99 records- 0199US7778567B2Image forming apparatus and image forming unitBROTHER IND LTD·Filed 2005·Granted Aug 17, 2010·53 cites·25 claims
- 0298US8150294B2Image forming apparatus having moving mechanism for moving exposure member relative to photoconductorOKABE YASUSHI·Filed 2009·Granted Apr 3, 2012·26 cites·23 claims
- 0397US7894743B2Image-forming device having side wallsBROTHER IND LTD·Filed 2007·Granted Feb 22, 2011·30 cites·16 claims
- 0497US7783226B2Image forming apparatusBROTHER IND LTD·Filed 2006·Granted Aug 24, 2010·30 cites·10 claims
- 0597US7522858B2Photosensitive-member unit and image forming apparatusBROTHER IND LTD·Filed 2006·Granted Apr 21, 2009·22 cites·32 claims
- 0696US8175491B2Image forming apparatus including frame structure for supporting image forming unitTOMATSU YOSHIYA·Filed 2009·Granted May 8, 2012·24 cites·35 claims
- 0795US8045883B2Photosensitive-member unit and image forming apparatusBROTHER IND LTD·Filed 2010·Granted Oct 25, 2011·8 cites·4 claims
- 0894US8886088B2Image forming apparatus in which linking mechanism links movement of exposure membersBROTHER IND LTD·Filed 2013·Granted Nov 11, 2014·6 cites·15 claims
- 0993US8396392B2Image forming apparatus have a cover and a pressing mechanism for pressing a developing cartridge when closing the coverTAKAKUWA YOSHITO·Filed 2012·Granted Mar 12, 2013·10 cites·35 claims
- 1093US7433629B2Opening and closing mechanism and image recording apparatus having the sameBROTHER IND LTD·Filed 2005·Granted Oct 7, 2008·15 cites·20 claims
- 1192US8270877B2Image forming apparatusTOMATSU YOSHIYA·Filed 2010·Granted Sep 18, 2012·8 cites·18 claims
- 1292US6435499B1Sheet feederBROTHER IND LTD·Filed 2000·Granted Aug 20, 2002·32 cites·21 claims
- 1391US8634745B2Cover opening and closing mechanism and image processing deviceTOMATSU YOSHIYA·Filed 2011·Granted Jan 21, 2014·7 cites·14 claims
- 1491US7920807B2Image forming apparatus having a translation member for separating a photosensitive member from a developing memberBROTHER IND LTD·Filed 2009·Granted Apr 5, 2011·10 cites·8 claims
- 1590US8837981B2Image forming apparatus and image forming unitIGARASHI HIROSHI·Filed 2013·Granted Sep 16, 2014·3 cites·16 claims
- 1690US8800986B2Image forming apparatusTOMATSU YOSHIYA·Filed 2013·Granted Aug 12, 2014·6 cites·6 claims
- 1790US7769320B2Photosensitive-member unit and image forming apparatusBROTHER IND LTD·Filed 2009·Granted Aug 3, 2010·7 cites·8 claims
- 1888US8126358B2Image forming apparatus having member for moving developer carrier in and out of contact with photosensitive element included in drum unitTOMATSU YOSHIYA·Filed 2011·Granted Feb 28, 2012·4 cites·23 claims
- 1988US6364309B1Sheet accommodating deviceBROTHER IND LTD·Filed 2000·Granted Apr 2, 2002·24 cites·20 claims
- 2087US11964476B2Print device and conveyance device with tensionerBROTHER IND LTD·Filed 2022·Granted Apr 23, 2024·1 cites·12 claims
- 2186US10006481B2Boss for self-tapping screwBROTHER IND LTD·Filed 2015·Granted Jun 26, 2018·6 cites·10 claims
- 2285US8606145B2Image forming apparatus and image forming unitIGARASHI HIROSHI·Filed 2012·Granted Dec 10, 2013·2 cites·17 claims
- 2385US8483593B2Image forming device having spacer member for retaining developing roller at position spaced away from corresponding photosensitive drumOKABE YASUSHI·Filed 2011·Granted Jul 9, 2013·3 cites·9 claims
- 2483US9635202B2Image forming apparatus with retainer for pivoting document reader unitBROTHER IND LTD·Filed 2016·Granted Apr 25, 2017·2 cites·11 claims
- 2583US7835663B2Image-forming device having sheet metal frame fixed over resin frame with screwsBROTHER IND LTD·Filed 2007·Granted Nov 16, 2010·12 cites·11 claims
- 2682US8899578B2Image forming apparatusTOMATSU YOSHIYA·Filed 2012·Granted Dec 2, 2014·5 cites·19 claims
- 2782US8010013B2Image forming deviceBROTHER IND LTD·Filed 2009·Granted Aug 30, 2011·6 cites·16 claims
- 2881US9834973B2Opening and closing apparatus and image forming apparatusBROTHER IND LTD·Filed 2016·Granted Dec 5, 2017·3 cites·11 claims
- 2981US9188941B2Image forming apparatus and image forming unitBROTHER IND LTD·Filed 2014·Granted Nov 17, 2015·1 cites·8 claims
- 3081US7113716B2Wrinkle prevented thermal fixing device and image forming apparatusBROTHER IND LTD·Filed 2004·Granted Sep 26, 2006·19 cites·29 claims
- 3180US8805234B2Photosensitive unit and image forming apparatusHASHIMOTO JUNICHI·Filed 2012·Granted Aug 12, 2014·2 cites·28 claims
- 3278US7398048B2Image forming apparatusBROTHER IND LTD·Filed 2006·Granted Jul 8, 2008·5 cites·8 claims
- 3377US9037037B2Pressing mechanism for a developing cartridgeBROTHER IND LTD·Filed 2014·Granted May 19, 2015·1 cites·20 claims
- 3477US8781360B2Image forming apparatus having a cover and a pressing mechanism for pressing a developing cartridge when closing the coverBROTHER IND LTD·Filed 2013·Granted Jul 15, 2014·1 cites·12 claims
- 3577US8559846B2Photosensitive-member unit and image forming apparatusOKABE YASUSHI·Filed 2011·Granted Oct 15, 2013·1 cites·5 claims
- 3676US9122228B2Image forming device having holder positioning arrangementSOUDA MAKOTO·Filed 2012·Granted Sep 1, 2015·2 cites·16 claims
- 3776US9014597B2Image forming device having holder positioning arrangementTOMATSU YOSHIYA·Filed 2012·Granted Apr 21, 2015·2 cites·8 claims
- 3875US7454155B2Image forming apparatus having foot portions coupled to a bottom surface thereofBROTHER IND LTD·Filed 2006·Granted Nov 18, 2008·4 cites·12 claims
- 3974US8160472B2Image forming device having a structure capable of facilitating positioning of an image forming unit provided in the image forming deviceTOMATSU YOSHIYA·Filed 2009·Granted Apr 17, 2012·4 cites·11 claims
- 4074US8099018B2Pressing mechanism for a developing cartridgeTAKAKUWA YOSHITO·Filed 2006·Granted Jan 17, 2012·3 cites·16 claims
- 4174US6904257B2Image forming device capable of changing pressing force between fixing membersBROTHER IND LTD·Filed 2002·Granted Jun 7, 2005·14 cites·16 claims
- 4273US8229319B2Image forming apparatus including detachable supporting memberTOMATSU YOSHIYA·Filed 2010·Granted Jul 24, 2012·2 cites·26 claims
- 4371US7009153B2Thermal fixing device and image forming apparatusBROTHER IND LTD·Filed 2004·Granted Mar 7, 2006·11 cites·69 claims
- 4471US6647217B2Thermal fixing device that avoids overheating and image forming device having the thermal fixing deviceBROTHER IND LTD·Filed 2001·Granted Nov 11, 2003·12 cites·26 claims
- 4570US7369806B2Engagement method and system for an image forming apparatusBROTHER IND LTD·Filed 2005·Granted May 6, 2008·3 cites·29 claims
- 4669US6101363AThermal fixing device with stationary and rotational electrodesBROTHER IND LTD·Filed 1998·Granted Aug 8, 2000·19 cites·22 claims
- 4769US5572307APress mechanism used with a fixing device for an image forming apparatusBROTHER IND LTD·Filed 1995·Granted Nov 5, 1996·21 cites·20 claims
- 4869US5049921ASheet cartridge and image recording apparatus using the sheet cartridgeBROTHER IND LTD·Filed 1990·Granted Sep 17, 1991·14 cites·27 claims
- 4967US6741832B2Thermal fixing device for image forming apparatusBROTHER IND LTD·Filed 2002·Granted May 25, 2004·10 cites·20 claims
- 5066US12220906B2Image recording apparatusBROTHER IND LTD·Filed 2022·Granted Feb 11, 2025·0 cites·11 claims
Showing the top 50 of 99 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →