Inventor · disambiguated record
Takashi Koyanagi
Also filed as: KOYANAGI TAKASHI
21 granted patents·4 pending applications·252 citations·filing 2003–2025
94Inventor score
Top patents by PatentIndex Score
25 records- 0198US9977359B2Electrophotographic member, method of producing the same, process cartridge, and electrophotographic apparatusCANON KK·Filed 2017·Granted May 22, 2018·16 cites·8 claims
- 0298US8798508B2Developing member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2013·Granted Aug 5, 2014·38 cites·9 claims
- 0397US8768226B2Developer support member, electrophotographic process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2012·Granted Jul 1, 2014·28 cites·4 claims
- 0497US8655222B2Developing member, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Feb 18, 2014·35 cites·6 claims
- 0596US9981180B2Die rolling and identification apparatus and gaming machineSINOFAME GLOBAL LTD·Filed 2017·Granted May 29, 2018·59 cites·17 claims
- 0696US8874012B2Developing member, process cartridge and electrophotographic apparatusCANON KK·Filed 2013·Granted Oct 28, 2014·18 cites·11 claims
- 0795US10331054B2Electrophotographic member, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2017·Granted Jun 25, 2019·12 cites·8 claims
- 0895US9625854B2Developer carrying member, electrophotographic process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2015·Granted Apr 18, 2017·26 cites·5 claims
- 0992US10197930B2Electrophotographic member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2016·Granted Feb 5, 2019·13 cites·15 claims
- 1087US10831125B2Developer carrying member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2020·Granted Nov 10, 2020·2 cites·13 claims
- 1180US11156935B2Developing member, electrophotographic process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2020·Granted Oct 26, 2021·1 cites·14 claims
- 1280US11029622B2Developer carrying member, process cartridge, and electrophotographic apparatusCANON KK·Filed 2020·Granted Jun 8, 2021·1 cites·13 claims
- 1377US2025328090A1Image forming apparatus and process cartridgeCANON KK·Filed 2025·Application pending·0 cites
- 1464US9649553B2Die rolling and identification apparatus and gaming machineKOYANAGI TAKASHI·Filed 2012·Granted May 16, 2017·1 cites·3 claims
- 1561US8682492B2Setting value controlling method and deviceKOYANAGI TAKASHI·Filed 2011·Granted Mar 25, 2014·2 cites·10 claims
- 1660US12377276B2Pulse discrimination device and electrocardiogram analyzerNIHON KOHDEN CORP·Filed 2021·Granted Aug 5, 2025·0 cites·2 claims
- 1759US12147170B2Image forming apparatus having toner chargingCANON KK·Filed 2020·Granted Nov 19, 2024·0 cites·64 claims
- 1858US11433242B2Pulse discrimination device and electrocardiogram analyzerNIHON KOHDEN CORP·Filed 2019·Granted Sep 6, 2022·0 cites·10 claims
- 1957US2025231522A1Electrophotographic member, electrophotographic process cartridge and electrophotographic image forming apparatus, and ionic conducting agentCANON KK·Filed 2024·Application pending·0 cites
- 2053US12405550B2Developing device, process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2022·Granted Sep 2, 2025·0 cites·11 claims
- 2150US12138061B2Pulse discrimination device and electrocardiogram analyzerNIHON KOHDEN CORP·Filed 2019·Granted Nov 12, 2024·0 cites·10 claims
- 2250US11966174B2Electrophotographic member, electrophotographic process cartridge, and electrophotographic image forming apparatusCANON KK·Filed 2023·Granted Apr 23, 2024·0 cites·5 claims
- 2343US2005165112A1Therapeutic agent for inflammatory intestinal diseases containing hydroxamic acid compound as active ingredientFiled 2003·Application pending·0 cites
- 2438US2015204560A1Environmental parameter setting aiding device and methodAZBIL CORP·Filed 2015·Application pending·0 cites
- 2533US10122172B2Air-conditioning control system and methodAZBIL CORP·Filed 2015·Granted Nov 6, 2018·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →