Inventor · disambiguated record
Hiroki Katayama
Also filed as: KATAYAMA HIROKI
41 granted patents·10 pending applications·269 citations·filing 1994–2025
97Inventor score
Files withCANON KK19NIPPON ELECTRIC GLASS CO11FUJITSU GENERAL LTD6HITACHI CABLE6MITSUBISHI ELECTRIC CORP4
Top patents by PatentIndex Score
51 records- 0197US6462453B1Stator for an alternatorMITSUBISHI ELECTRIC CORP·Filed 2000·Granted Oct 8, 2002·84 cites·16 claims
- 0295US11749574B2Method of manufacturing semiconductor packageNIPPON ELECTRIC GLASS CO·Filed 2021·Granted Sep 5, 2023·2 cites·10 claims
- 0395US11709437B2Image forming apparatusCANON KK·Filed 2022·Granted Jul 25, 2023·3 cites·12 claims
- 0495US11022908B2Image forming apparatusCANON KK·Filed 2020·Granted Jun 1, 2021·3 cites·9 claims
- 0592US6664703B2Stator for rotary machine and method of manufacturing the statorMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Dec 16, 2003·50 cites·4 claims
- 0687US9951775B2Rotary compressorFUJITSU GENERAL LTD·Filed 2016·Granted Apr 24, 2018·3 cites·3 claims
- 0786US10458408B2Rotary compressor having communication path hole overlap with discharge chamber concave portionFUJITSU GENERAL LTD·Filed 2015·Granted Oct 29, 2019·3 cites·8 claims
- 0884US10669184B2Glass substrate and laminate using sameNIPPON ELECTRIC GLASS CO·Filed 2016·Granted Jun 2, 2020·2 cites·13 claims
- 0983US8340522B2Filter assembly and optical module using sameYU JUHYUN·Filed 2008·Granted Dec 25, 2012·12 cites·11 claims
- 1082US10442729B2Glass sheetNIPPON ELECTRIC GLASS CO·Filed 2015·Granted Oct 15, 2019·3 cites·14 claims
- 1182US9156726B2Toughened glass substrate and process for producing sameKATAYAMA HIROKI·Filed 2012·Granted Oct 13, 2015·13 cites·7 claims
- 1281US6610438B2Seal type storage batterySANYO ELECTRIC CO·Filed 2001·Granted Aug 26, 2003·26 cites·21 claims
- 1380US12119278B2Method of manufacturing a supporting glass substrateNIPPON ELECTRIC GLASS CO·Filed 2023·Granted Oct 15, 2024·0 cites·10 claims
- 1480US11086248B2Image forming apparatus with fan configured for dust-resistant cooling of optical scanning unitCANON KK·Filed 2020·Granted Aug 10, 2021·1 cites·16 claims
- 1579US11194264B2Optical scanning apparatus with offset beam detect sensor for scan line positioning in sub-scan direction and image forming apparatus with optical scanning apparatusCANON KK·Filed 2020·Granted Dec 7, 2021·1 cites·9 claims
- 1678US7768162B2Dynamoelectric coil portion insulating constructionMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Aug 3, 2010·11 cites·12 claims
- 1778US7348497B2Mounting structure for electronic componentsHITACHI CABLE·Filed 2005·Granted Mar 25, 2008·8 cites·7 claims
- 1875US12304224B2Image forming apparatusCANON KK·Filed 2023·Granted May 20, 2025·0 cites·4 claims
- 1974US2025314879A1Optical scanning device and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2073US11852988B2Image forming apparatus with improved vibration rigidityCANON KK·Filed 2022·Granted Dec 26, 2023·0 cites·23 claims
- 2173US7367717B2Optical transmission moduleHITACHI CABLE·Filed 2005·Granted May 6, 2008·6 cites·12 claims
- 2273US2025314989A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2371US11353805B2Image forming apparatus to address vibration rigidity of a scanner unitCANON KK·Filed 2021·Granted Jun 7, 2022·0 cites·9 claims
- 2468US11537058B2Image forming apparatusCANON KK·Filed 2021·Granted Dec 27, 2022·0 cites·19 claims
- 2566US5576584AStator of a vehicular alternating current generator and its manufacturing methodMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Nov 19, 1996·27 cites·5 claims
- 2664US8373992B2Transmission/reception optical moduleHITACHI CABLE·Filed 2011·Granted Feb 12, 2013·1 cites·7 claims
- 2763US7948760B2Transmission/reception optical moduleHITACHI CABLE·Filed 2004·Granted May 24, 2011·8 cites·6 claims
- 2862US2024272125A1Inspection method and inspecting deviceYAMAHA FINE TECH CO LTD·Filed 2024·Application pending·0 cites
- 2961US11820158B2Image forming apparatusCANON KK·Filed 2019·Granted Nov 21, 2023·0 cites·5 claims
- 3061US11383413B2Manufacturing method of polygonal mirror, polygonal mirror, deflector, optical scanning apparatus and image forming apparatusCANON KK·Filed 2019·Granted Jul 12, 2022·0 cites·11 claims
- 3161US7773389B2Electronic component mounted structure and optical transceiver using the sameHITACHI CABLE·Filed 2005·Granted Aug 10, 2010·1 cites·8 claims
- 3256US11249303B2Rotary polygon mirror, light deflecting unit, and optical scanning apparatus including light deflecting unitCANON KK·Filed 2020·Granted Feb 15, 2022·0 cites·14 claims
- 3353US7347635B2Optical transceiverHITACHI CABLE·Filed 2005·Granted Mar 25, 2008·1 cites·21 claims
- 3452US11385457B2Optical scanning device having rotating polygon mirror, and image forming apparatus including the sameCANON KK·Filed 2020·Granted Jul 12, 2022·0 cites·13 claims
- 3552US2024310625A1Optical scanning device and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3651US11959480B2Rotary compressor including a plurality of recessed portions for retaining lubricating oilFUJITSU GENERAL LTD·Filed 2020·Granted Apr 16, 2024·0 cites·4 claims
- 3751US2019322022A1Polygonal mirror, deflector, optical scanning apparatus, image forming apparatus, and manufacturing method of the polygonal mirrorCANON KK·Filed 2019·Application pending·0 cites
- 3849US2018226311A1Supporting glass substrate, laminate, semiconductor package, electronic device, and method of manufacturing semiconductor packageNIPPON ELECTRIC GLASS CO·Filed 2015·Application pending·0 cites
- 3948US11933302B2Rotary compressorFUJITSU GENERAL LTD·Filed 2021·Granted Mar 19, 2024·0 cites·5 claims
- 4047US10773994B2Plate glass and method for producing sameNIPPON ELECTRIC GLASS CO·Filed 2016·Granted Sep 15, 2020·0 cites·5 claims
- 4147US10737965B2Method of manufacturing glass sheetNIPPON ELECTRIC GLASS CO·Filed 2017·Granted Aug 11, 2020·0 cites·6 claims
- 4245US11949825B2Scanning optical device and image forming apparatus with bearing surfaces and regulating portions constructed to reduce laser deviation of a reflection mirrorCANON KK·Filed 2022·Granted Apr 2, 2024·0 cites·16 claims
- 4345US11366310B2Polygonal mirror, deflector, optical scanning apparatus and image forming apparatusCANON KK·Filed 2019·Granted Jun 21, 2022·0 cites·18 claims
- 4443US10738779B2Rotary compressorFUJITSU GENERAL LTD·Filed 2017·Granted Aug 11, 2020·0 cites·5 claims
- 4542US10519953B2Rotary compressorFUJITSU GENERAL LTD·Filed 2017·Granted Dec 31, 2019·0 cites·1 claims
- 4642US10353335B2Image forming apparatusCANON KK·Filed 2017·Granted Jul 16, 2019·0 cites·11 claims
- 4742US10173833B2Glass substrate packageNIPPON ELECTRIC GLASS CO·Filed 2016·Granted Jan 8, 2019·0 cites·6 claims
- 4842US2016083292A1Method for manufacturing tempered glass sheetNIPPON ELECTRIC GLASS CO·Filed 2014·Application pending·0 cites
- 4941US2015295642A1Optical active cable and optical transmission systemHITACHI METALS LTD·Filed 2014·Application pending·0 cites
- 5041US2021313354A1Display substrate and method of manufacturing sameNIPPON ELECTRIC GLASS CO·Filed 2019·Application pending·0 cites
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →