Inventor · disambiguated record
Takuma Sakai
Also filed as: SAKAI TAKUMA
35 granted patents·5 pending applications·58 citations·filing 2008–2024
95Inventor score
Top patents by PatentIndex Score
40 records- 0194US12168495B2Operating device for human-powered vehicleSHIMANO KK·Filed 2022·Granted Dec 17, 2024·2 cites·20 claims
- 0294US10926831B2Bicycle disc brake caliperSHIMANO KK·Filed 2020·Granted Feb 23, 2021·3 cites·21 claims
- 0393US10189536B2Bicycle disc brake caliperSHIMANO KK·Filed 2017·Granted Jan 29, 2019·5 cites·26 claims
- 0488US11554834B2Operating system for human-powered vehicleSHIMANO KK·Filed 2019·Granted Jan 17, 2023·4 cites·23 claims
- 0586US11897573B2Operating device for human-powered vehicleSHIMANO KK·Filed 2020·Granted Feb 13, 2024·2 cites·20 claims
- 0686US10494053B2Operating deviceSHIMANO KK·Filed 2018·Granted Dec 3, 2019·5 cites·18 claims
- 0783US9464226B2Li-containing α-sialon-based phosphor, production process thereof, lighting device and image display deviceUBE INDUSTRIES·Filed 2014·Granted Oct 11, 2016·6 cites·5 claims
- 0883US2025058848A1Operating device for human-powered vehicleSHIMANO KK·Filed 2024·Application pending·0 cites
- 0982US11425472B2Operating device for human-powered vehicleSHIMANO KK·Filed 2019·Granted Aug 23, 2022·4 cites·20 claims
- 1081US9023240B2Silicon nitride powder for siliconnitride phosphor, CaAlSiN3 phosphor using same, Sr2Si5N8 phosphor using same, (Sr, Ca)AlSiN3 phosphor using same, La3Si6N11 Phosphor using same, and methods for producing the phosphorsFUJINAGA MASATAKA·Filed 2011·Granted May 5, 2015·5 cites·6 claims
- 1180US10829180B2Hydraulic operating deviceSHIMANO KK·Filed 2017·Granted Nov 10, 2020·2 cites·21 claims
- 1279US9023241B2Silicon nitride powder for siliconnitride phosphor, Sr3Al3Si13O2N21 phosphor and β-sialon phosphor both obtained using same, and processes for producing theseFUJINAGA MASATAKA·Filed 2011·Granted May 5, 2015·4 cites·4 claims
- 1378US9382477B2Oxynitride phosphor powderUBE INDUSTRIES·Filed 2013·Granted Jul 5, 2016·3 cites·24 claims
- 1473US11472510B2Electric device for human-powered vehicleSHIMANO KK·Filed 2019·Granted Oct 18, 2022·2 cites·19 claims
- 1571US11827306B2Operating system and electrical switch device for human-powered vehicleSHIMANO KK·Filed 2022·Granted Nov 28, 2023·0 cites·18 claims
- 1671US10358183B2Hydraulic operating apparatusSHIMANO KK·Filed 2017·Granted Jul 23, 2019·1 cites·20 claims
- 1768US9643682B2Hydraulic operating deviceSHIMANO KK·Filed 2015·Granted May 9, 2017·2 cites·11 claims
- 1867US12179881B2Operating system for human-powered vehicleSHIMANO KK·Filed 2022·Granted Dec 31, 2024·0 cites·19 claims
- 1967US9828545B2(Oxy)nitride phosphor powder and method of producing sameUBE INDUSTRIES·Filed 2014·Granted Nov 28, 2017·1 cites·9 claims
- 2067US9758720B2Oxynitride phosphor powder, silicon nitride powder for production of oxynitride phosphor powder, and production method of oxynitride phosphor powderUBE INDUSTRIES·Filed 2012·Granted Sep 12, 2017·1 cites·17 claims
- 2167US8518300B2β-sialon phosphor powder and production method thereofSAKAI TAKUMA·Filed 2008·Granted Aug 27, 2013·4 cites·9 claims
- 2266US12227259B2Operating device for human-powered vehicleSHIMANO KK·Filed 2022·Granted Feb 18, 2025·0 cites·10 claims
- 2366US8613869B2α-type silicon nitride phosphor and production method thereofSAKATA SHIN-ICHI·Filed 2008·Granted Dec 24, 2013·2 cites·4 claims
- 2464US10689063B2Bicycle disc brake caliperSHIMANO KK·Filed 2018·Granted Jun 23, 2020·0 cites·18 claims
- 2558US12139232B2Control system for human-powered vehicleSHIMANO KK·Filed 2022·Granted Nov 12, 2024·0 cites·19 claims
- 2658US10800480B2Hydraulic operating deviceSHIMANO KK·Filed 2018·Granted Oct 13, 2020·0 cites·20 claims
- 2757US2024038750A1Semiconductor moduleFUJI ELECTRIC CO LTD·Filed 2023·Application pending·0 cites
- 2856US2011133629A1Li-containing alpha-sialon-based phosphor, production process thereof, lighting device and image display deviceUBE INDUSTRIES·Filed 2009·Application pending·0 cites
- 2955US11548586B2Operating device for human-powered vehicleSHIMANO KK·Filed 2019·Granted Jan 10, 2023·0 cites·20 claims
- 3055US10882581B2Operating device and operating systemSHIMANO KK·Filed 2019·Granted Jan 5, 2021·0 cites·12 claims
- 3154US11396343B2Operating device for human-powered vehicleSHIMANO KK·Filed 2020·Granted Jul 26, 2022·0 cites·22 claims
- 3251US11535334B2Operating system and electrical switch device for human-powered vehicleSHIMANO KK·Filed 2019·Granted Dec 27, 2022·0 cites·20 claims
- 3350US10870463B2Hydraulic operating deviceSHIMANO KK·Filed 2018·Granted Dec 22, 2020·0 cites·21 claims
- 3450US9777215B2Oxynitride phosphor powderUBE INDUSTRIES·Filed 2014·Granted Oct 3, 2017·0 cites·11 claims
- 3549US10882584B2Hydraulic operating deviceSHIMANO KK·Filed 2018·Granted Jan 5, 2021·0 cites·23 claims
- 3648US2016272886A1Oxynitride fluorescent powder and method for manufacturing sameUBE INDUSTRIES·Filed 2014·Application pending·0 cites
- 3747US10604208B2Bicycle suspension tube and bicycle suspension forkSHIMANO KK·Filed 2017·Granted Mar 31, 2020·0 cites·20 claims
- 3846US11390353B2Operating device for human-powered vehicleSHIMANO KK·Filed 2020·Granted Jul 19, 2022·0 cites·20 claims
- 3945US9708533B2Wavelength conversion member and light-emitting device employing sameUBE INDUSTRIES·Filed 2013·Granted Jul 18, 2017·0 cites·15 claims
- 4041US2022033030A1Handlebar assemblySHIMANO KK·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →