Inventor · disambiguated record
Hiroshi Katakura
Also filed as: KATAKURA HIROSHI
28 granted patents·8 pending applications·188 citations·filing 1974–2019
96Inventor score
Top patents by PatentIndex Score
36 records- 0194US9285731B1Fixing device that fixes images of decolorable and non-decolorable materialsTOSHIBA KK·Filed 2015·Granted Mar 15, 2016·6 cites·20 claims
- 0290US9134685B1Image forming apparatus and image forming methodTOSHIBA KK·Filed 2014·Granted Sep 15, 2015·5 cites·10 claims
- 0386US9452628B2Image decoloring apparatusTOSHIBA KK·Filed 2015·Granted Sep 27, 2016·2 cites·5 claims
- 0484US9625863B1Image forming apparatus and control method comprising heating modesTOSHIBA KK·Filed 2015·Granted Apr 18, 2017·2 cites·10 claims
- 0584US6044034AMultiport memory having plurality of groups of bit linesFUJITSU LTD·Filed 1998·Granted Mar 28, 2000·54 cites·17 claims
- 0684US4511237AElectrophotographic reproducing machineKONISHIROKU PHOTO IND·Filed 1983·Granted Apr 16, 1985·20 cites·16 claims
- 0783US9731532B2Image decoloring apparatusTOSHIBA KK·Filed 2016·Granted Aug 15, 2017·1 cites·5 claims
- 0881US8338864B2Semiconductor deviceKATAKURA HIROSHI·Filed 2010·Granted Dec 25, 2012·7 cites·11 claims
- 0979US9832328B2Character recognition apparatus and character recognition methodTOSHIBA KK·Filed 2015·Granted Nov 28, 2017·3 cites·10 claims
- 1078US4041903ADeveloping device for use in electrophotographyKONISHIROKU PHOTO IND·Filed 1976·Granted Aug 16, 1977·17 cites·4 claims
- 1172US3990394AControl circuit used in development of electrostatic latent images and developing apparatusKONISHIROKU PHOTO IND·Filed 1974·Granted Nov 9, 1976·11 cites·4 claims
- 1270US9994055B2Image decoloring apparatusTOSHIBA KK·Filed 2017·Granted Jun 12, 2018·0 cites·3 claims
- 1369US10691047B2Image forming apparatus and image forming method for processing different fixing temperatures of different tonersTOSHIBA KK·Filed 2019·Granted Jun 23, 2020·0 cites·17 claims
- 1465US10018946B2Fixing device that fixes images of decolorable and non-decolorable materialsTOSHIBA KK·Filed 2017·Granted Jul 10, 2018·0 cites·20 claims
- 1565US8737860B2Image forming apparatus and image forming methodKATAKURA HIROSHI·Filed 2011·Granted May 27, 2014·1 cites·18 claims
- 1665US4298278ADevice for detachably attaching a master sheet to a drumKONISHIROKU PHOTO IND·Filed 1980·Granted Nov 3, 1981·12 cites·2 claims
- 1764US4350328ASheet feeding apparatusKONISHIROKU PHOTO IND·Filed 1980·Granted Sep 21, 1982·14 cites·5 claims
- 1863US10423102B2Image forming apparatus and image forming method for processing different fixing temperatures of different tonersTOSHIBA KK·Filed 2017·Granted Sep 24, 2019·0 cites·20 claims
- 1961US9594333B2Fixing device that fixes images of decolorable and non-decolorable materialsTOSHIBA KK·Filed 2016·Granted Mar 14, 2017·0 cites·20 claims
- 2060US4140894AMethod of using a temperature controller for a fixing device of a copying machineKONISHIROKU PHOTO IND·Filed 1977·Granted Feb 20, 1979·11 cites·2 claims
- 2160US4008686ADeveloping device for use in electrophotographyKONISHIROKU PHOTO IND·Filed 1975·Granted Feb 22, 1977·9 cites·7 claims
- 2259US2017192380A1Image forming apparatus and control method for the sameTOSHIBA KK·Filed 2017·Application pending·0 cites
- 2359US2014227002A1Image forming apparatus and image forming methodTOSHIBA KK·Filed 2014·Application pending·0 cites
- 2456US10481534B2Image forming apparatusTOSHIBA KK·Filed 2018·Granted Nov 19, 2019·0 cites·19 claims
- 2553US9158246B2Image forming apparatus having multiple medium paths to a fixing unitTOSHIBA KK·Filed 2014·Granted Oct 13, 2015·0 cites·16 claims
- 2649US7203714B1Logic circuitFUJITSU LTD·Filed 2000·Granted Apr 10, 2007·1 cites·1 claims
- 2746US2005193051A1Logic circuitFUJITSU LTD·Filed 2005·Application pending·0 cites
- 2845US8693937B2Fixing device provided with pressure beltFUTAMATA YUKIO·Filed 2012·Granted Apr 8, 2014·0 cites·16 claims
- 2944US2015378292A1Image forming apparatusTOSHIBA KK·Filed 2014·Application pending·0 cites
- 3043US2014169819A1Fixing apparatus and image forming apparatusTOSHIBA TEC KK·Filed 2013·Application pending·0 cites
- 3143US2014153951A1Fixing apparatus and image forming apparatus having the fixing apparatusTOSHIBA TEC KK·Filed 2013·Application pending·0 cites
- 3241US4361397ACleaning apparatus for an electrostatic recording machineKONISHIROKU PHOTO IND·Filed 1980·Granted Nov 30, 1982·5 cites·5 claims
- 3341US2013101305A1Image forming apparatus, image forming method, and fixing deviceTOSHIBA KK·Filed 2012·Application pending·0 cites
- 3438US2008247772A1Xerographic copying apparatus and method of controlling motorTOSHIBA KK·Filed 2007·Application pending·0 cites
- 3537US5231345ASemiconductor integrated circuit device having a test circuitFUJITSU LTD·Filed 1991·Granted Jul 27, 1993·7 cites·41 claims
- 3635US8873987B2Image forming apparatus, control method, and recording mediumNOZAWA TAIZO·Filed 2011·Granted Oct 28, 2014·0 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Hiroshi Katakura 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 →