Inventor · disambiguated record
Hiroshi Fuma
Also filed as: FUMA HIROSHI
25 granted patents·1 pending application·302 citations·filing 1984–2004
96Inventor score
Files withKONISHIROKU PHOTO IND20KONICA MINOLTA BUSINESS TECH3KONICA MINOLTA HOLDINGS INC2KONICA CORP1
Top patents by PatentIndex Score
26 records- 0188US6650863B2Fixing unit and image forming apparatusKONISHIROKU PHOTO IND·Filed 2001·Granted Nov 18, 2003·31 cites·31 claims
- 0280US6782231B2Pressure applying device to fixing roller of image forming apparatusKONISHIROKU PHOTO IND·Filed 2002·Granted Aug 24, 2004·18 cites·13 claims
- 0377US5300984AImage forming apparatus having controlled transfer unitKONISHIROKU PHOTO IND·Filed 1992·Granted Apr 5, 1994·25 cites·9 claims
- 0477US5054419AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1990·Granted Oct 8, 1991·23 cites·31 claims
- 0576US4814797AApparatus and method for controlling color dot size in multicolor imageKONISHIROKU PHOTO IND·Filed 1986·Granted Mar 21, 1989·29 cites·15 claims
- 0675US6438841B1Device for holding fixing roller, method for manufacturing fixing roller, and image forming apparatusKONISHIROKU PHOTO IND·Filed 2000·Granted Aug 27, 2002·14 cites·3 claims
- 0774US4822711AElectrostatic image-developing process using a magnetic rollerKONISHIROKU PHOTO IND·Filed 1987·Granted Apr 18, 1989·18 cites·9 claims
- 0870US4669864AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1986·Granted Jun 2, 1987·16 cites·21 claims
- 0969US5153653AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1990·Granted Oct 6, 1992·18 cites·16 claims
- 1068US6795681B2Fixing device controlling method, fixing device, and image forming apparatus for forming fixed images of desired glossinessKONISHIROKU PHOTO IND·Filed 2002·Granted Sep 21, 2004·11 cites·9 claims
- 1163US7046950B2Image forming apparatusKONICA MINOLTA HOLDINGS INC·Filed 2004·Granted May 16, 2006·8 cites·4 claims
- 1261US4908291AMethod of regulating the thickness of a developer layer containing magnetic carrier and toner particlesKONISHIROKU PHOTO IND·Filed 1988·Granted Mar 13, 1990·12 cites·43 claims
- 1357US5260752AImage forming method including an additional exposing stepKONISHIROKU PHOTO IND·Filed 1992·Granted Nov 9, 1993·11 cites·16 claims
- 1457US5024181AMethod for the development of an electrostatic latent imageKONISHIROKU PHOTO IND·Filed 1990·Granted Jun 18, 1991·12 cites·26 claims
- 1556US5276491AImage forming apparatusKONISHIROKU PHOTO IND·Filed 1991·Granted Jan 4, 1994·11 cites·7 claims
- 1654US7187900B2Image forming apparatus having a fixing device for fixing toner image formed on a sheet by an endless fixing belt engaged with a fixing rollerKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Mar 6, 2007·5 cites·20 claims
- 1754US7050747B2Pressure applying device to fixing roller of image forming apparatusKONICA MINOLTA HOLDINGS INC·Filed 2004·Granted May 23, 2006·5 cites·11 claims
- 1854US6137978AToner replenishing apparatus having a plurality of scraping members of differing capacitiesKONISHIROKU PHOTO IND·Filed 1999·Granted Oct 24, 2000·11 cites·5 claims
- 1951US4585326ADeveloping electrophotographic image using magnets and magnetic materialKONISHIROKU PHOTO IND·Filed 1984·Granted Apr 29, 1986·7 cites·6 claims
- 2048US4814818ADeveloper layer forming apparatusKONISHIROKU PHOTO IND·Filed 1987·Granted Mar 21, 1989·7 cites·11 claims
- 2144US7187894B2Image forming apparatus having a heat beltKONICA MINOLTA BUSINESS TECH·Filed 2004·Granted Mar 6, 2007·2 cites·6 claims
- 2241US7010240B2Image forming apparatus that controls a fixing device to fix a toner image onto paper with improved productivityKONICA CORP·Filed 2003·Granted Mar 7, 2006·1 cites·11 claims
- 2341US6584297B2Image fixing device and image forming apparatus equipped therewithKONISHIROKU PHOTO IND·Filed 2002·Granted Jun 24, 2003·1 cites·7 claims
- 2436US5459563AMethod of forming a multicolor toner image on a photoreceptor and transferring the formed image to a recording sheetKONISHIROKU PHOTO IND·Filed 1994·Granted Oct 17, 1995·4 cites·5 claims
- 2535US2005100372A1Image forming apparatus having fixing deviceKONICA MINOLTA BUSINESS TECH·Filed 2004·Application pending·0 cites
- 2631US5172174ATransfer device with insulated shieldKONISHIROKU PHOTO IND·Filed 1990·Granted Dec 15, 1992·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →