Inventor · disambiguated record
Koichi Watanabe
Also filed as: HARADA HIROAKI · WATANABE KOICHI
139 granted patents·57 pending applications·1,312 citations·filing 1974–2025
99Inventor score
Top patents by PatentIndex Score
196 records- 0194US6970674B2Belt transporting device and image forming apparatus using the sameFUJI XEROX CO LTD·Filed 2002·Granted Nov 29, 2005·54 cites·21 claims
- 0294US6423192B1Sputtering apparatus and film forming methodTOSHIBA KK·Filed 2000·Granted Jul 23, 2002·91 cites·20 claims
- 0392US6823083B1Saturation correcting apparatus and methodFUJI PHOTO FILM CO LTD·Filed 2000·Granted Nov 23, 2004·59 cites·23 claims
- 0492US5666672AToilet attachment with easily detachable seatTOTO LTD·Filed 1995·Granted Sep 16, 1997·61 cites·22 claims
- 0592US4267786ALock stitching and overlock stitching sewing machineJANOME SEWING MACHINE CO LTD·Filed 1977·Granted May 19, 1981·18 cites·31 claims
- 0691US9477875B2Cell monitoring device, cell monitoring method and program thereofJAPAN SCIENCE & TECH AGENCY·Filed 2013·Granted Oct 25, 2016·42 cites·8 claims
- 0791US7624504B2Method of attaching hose coupling to hoseYOKOHAMA RUBBER CO LTD·Filed 2006·Granted Dec 1, 2009·22 cites·14 claims
- 0888US4218432AColoring agent and a composition including the same for coloring toilet bowl flushing waterYAMAMOTO KAGAKU GOSEI KK·Filed 1978·Granted Aug 19, 1980·17 cites·19 claims
- 0987US12420956B2Artificial satellite and artificial satellite systemHITACHI LTD·Filed 2024·Granted Sep 23, 2025·1 cites·9 claims
- 1087US10398273B2Vacuum cleanerTOSHIBA LIFESTYLE PRODUCTS & SERVICES CORP·Filed 2015·Granted Sep 3, 2019·7 cites·6 claims
- 1187US3935158ARoad marking paint compositionsNIPPON ZEON CO·Filed 1974·Granted Jan 27, 1976·45 cites·5 claims
- 1286US6329275B1Interconnector line of thin film, sputter target for forming the wiring film and electronic component using the sameTOSHIBA KK·Filed 1996·Granted Dec 11, 2001·76 cites·6 claims
- 1386US5809278ACircuit for controlling access to a common memory based on priorityTOSHIBA KK·Filed 1994·Granted Sep 15, 1998·118 cites·4 claims
- 1484US10942483B2Image forming apparatusCANON KK·Filed 2016·Granted Mar 9, 2021·3 cites·22 claims
- 1583US8410457B2Sample transfer device and sample transferring methodTERADA SHOHEI·Filed 2011·Granted Apr 2, 2013·8 cites·16 claims
- 1683US8050158B2Power adjustment method, information write method and information write mediumHITACHI CONSUMER ELECTRONICS·Filed 2009·Granted Nov 1, 2011·4 cites·9 claims
- 1783US5423931AMethod and apparatus for removing an electronic component from a boardHITACHI LTD·Filed 1993·Granted Jun 13, 1995·78 cites·13 claims
- 1882US7046402B2Image reading apparatus and image forming apparatusTOSHIBA TEC KK·Filed 2001·Granted May 16, 2006·23 cites·25 claims
- 1981US8145108B2Image forming apparatusMURAKAMI JUNICHI·Filed 2010·Granted Mar 27, 2012·3 cites·6 claims
- 2080US8457538B2Image forming apparatus and method of image formingOKAMOTO TETSUJI·Filed 2010·Granted Jun 4, 2013·3 cites·15 claims
- 2180US8279732B2Optical disc drive and optical information read methodWATANABE KOICHI·Filed 2009·Granted Oct 2, 2012·4 cites·9 claims
- 2280US7933188B2Optical pickupHITACHI MEDIA ELECTRON KK·Filed 2008·Granted Apr 26, 2011·4 cites·10 claims
- 2380US4697224AElectric double layer capacitorMURATA MANUFACTURING CO·Filed 1986·Granted Sep 29, 1987·38 cites·13 claims
- 2479US11520341B2Information processing apparatus and information processing methodTOSHIBA TEC KK·Filed 2020·Granted Dec 6, 2022·1 cites·18 claims
- 2579US11244465B2Point cloud data processing deviceTOSHIBA TEC KK·Filed 2020·Granted Feb 8, 2022·1 cites·17 claims
- 2679US10417538B2Printing apparatus that displays sheet information, method of controlling the same, and storage mediumCANON KK·Filed 2014·Granted Sep 17, 2019·2 cites·8 claims
- 2779US7099596B2Optical transmitterHITACHI LTD·Filed 2002·Granted Aug 29, 2006·20 cites·4 claims
- 2879US5340300AAn apparatus for continuously manufacturing a fiber reinforced resinSEIKISUI CHEMICAL CO LTD·Filed 1992·Granted Aug 23, 1994·40 cites·15 claims
- 2978US7274267B2BalunYKC CORP·Filed 2003·Granted Sep 25, 2007·15 cites·6 claims
- 3077US9921520B2Developing device having developer coating regulationCANON KK·Filed 2016·Granted Mar 20, 2018·1 cites·17 claims
- 3177US9239539B2Developing device and layer thickness regulating memberCANON KK·Filed 2014·Granted Jan 19, 2016·2 cites·44 claims
- 3276US11150395B2Light guide and light emitting deviceWATANABE KOICHI·Filed 2020·Granted Oct 19, 2021·1 cites·6 claims
- 3376US9348255B2Layer thickness regulating member, developing device and process cartridgeCANON KK·Filed 2014·Granted May 24, 2016·2 cites·11 claims
- 3476US7502302B2Optical recording and reading equipmentHITACHI LTD·Filed 2005·Granted Mar 10, 2009·2 cites·5 claims
- 3575US8895175B2Intercellular separation structure body and laminate type solid secondary battery provided with the sameOUCHI MASUTAKA·Filed 2012·Granted Nov 25, 2014·3 cites·9 claims
- 3675US7751288B2Adjustment method of optimum write power and optical write/retrieval deviceHITACHI LTD·Filed 2007·Granted Jul 6, 2010·2 cites·15 claims
- 3775US4616290AElectric double layer capacitorMURATA MANUFACTURING CO·Filed 1984·Granted Oct 7, 1986·19 cites·8 claims
- 3875US2024322752A1Power receiving systemHITACHI LTD·Filed 2024·Application pending·0 cites
- 3974US7663994B2Data recording method and data recording equipmentHITACHI LTD·Filed 2006·Granted Feb 16, 2010·2 cites·12 claims
- 4074US6726995B2Polarizing plateGUNZE CO LTD·Filed 2000·Granted Apr 27, 2004·18 cites·3 claims
- 4174US5987992AUltrasonic sensor with temperature compensation capacitorMURATA MANUFACTURING CO·Filed 1998·Granted Nov 23, 1999·50 cites·14 claims
- 4273US9372437B2Developing device having developer coating regulationCANON KK·Filed 2014·Granted Jun 21, 2016·1 cites·24 claims
- 4373US6154288APrinter and image processing method for adjusting printing criteria to compensate for low/high density imagesFUJI PHOTO FILM CO LTD·Filed 1997·Granted Nov 28, 2000·45 cites·15 claims
- 4471US11041760B2Optical measurement device and optical measurement methodHITACHI HIGH TECH CORP·Filed 2015·Granted Jun 22, 2021·1 cites·4 claims
- 4571US10018557B2Terahertz wave measuring deviceHITACHI HIGH TECH CORP·Filed 2015·Granted Jul 10, 2018·1 cites·11 claims
- 4671US8315027B2Switch circuit having overcurrent detection functionSUGIMOTO SHIGEKAZU·Filed 2010·Granted Nov 20, 2012·5 cites·4 claims
- 4770US9625389B2Light measuring device and light measuring methodHITACHI HIGH TECH CORP·Filed 2014·Granted Apr 18, 2017·1 cites·9 claims
- 4870US7317665B2Optical recording method using multiplexer and plural pieces of data bitsHITACHI LTD·Filed 2004·Granted Jan 8, 2008·7 cites·15 claims
- 4969US10762313B2Information processing apparatus, information collecting apparatus, and information collecting systemTOSHIBA TEC KK·Filed 2019·Granted Sep 1, 2020·0 cites·16 claims
- 5069US4717595AMolded carbonaceous materialMURATA MANUFACTURING CO·Filed 1986·Granted Jan 5, 1988·23 cites·13 claims
Showing the top 50 of 196 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →