Inventor · disambiguated record
Nobuyuki Kitajima
Also filed as: KITAJIMA NOBUYUKI
22 granted patents·11 pending applications·36 citations·filing 1981–2025
90Inventor score
Top patents by PatentIndex Score
33 records- 0191US11850538B2Filter life predicting apparatusYAMASHIN FILTER CORP·Filed 2021·Granted Dec 26, 2023·2 cites·6 claims
- 0282US11406920B2Filter deviceYAMASHIN FILTER CORP·Filed 2020·Granted Aug 9, 2022·1 cites·7 claims
- 0374US10926207B2Filter deviceYAMASHIN FILTER CORP·Filed 2018·Granted Feb 23, 2021·1 cites·8 claims
- 0473US2025373076A1Filter deviceAIST·Filed 2025·Application pending·0 cites
- 0570US2025360439A1Filter device and filtration deviceYAMASHIN FILTER CORP·Filed 2025·Application pending·0 cites
- 0670US2025367582A1Filter deviceYAMASHIN FILTER CORP·Filed 2025·Application pending·0 cites
- 0769US8686463B2Capping systemMITSUBISHI ELECTRIC CORP·Filed 2012·Granted Apr 1, 2014·2 cites·6 claims
- 0869US2025369851A1Measurement unit and filter deviceYAMASHIN FILTER CORP·Filed 2025·Application pending·0 cites
- 0968US10350527B2Filter device and filtration deviceYAMASHIN FILTER CORP·Filed 2017·Granted Jul 16, 2019·1 cites·5 claims
- 1066US2024367074A1Filter deviceYAMASHIN FILTER CORP·Filed 2024·Application pending·0 cites
- 1165US2025018319A1Suction strainerYAMASHIN FILTER CORP·Filed 2024·Application pending·0 cites
- 1264US11052336B2Filter deviceYAMASHIN FILTER CORP·Filed 2020·Granted Jul 6, 2021·0 cites·16 claims
- 1363US11541338B2Filter deviceYAMASHIN FILTER CORP·Filed 2020·Granted Jan 3, 2023·0 cites·15 claims
- 1462US4421599AFibrous materialsTOPPAN PRINTING CO LTD·Filed 1981·Granted Dec 20, 1983·22 cites·7 claims
- 1562US2024335774A1Suction strainerYAMASHIN FILTER CORP·Filed 2024·Application pending·0 cites
- 1661US12233358B2Filter deviceYAMASHIN FILTER CORP·Filed 2022·Granted Feb 25, 2025·0 cites·12 claims
- 1760US2024042351A1Filter element and strainerYAMASHIN FILTER CORP·Filed 2023·Application pending·0 cites
- 1857US12145084B2Filter element and filter deviceYAMASHIN FILTER CORP·Filed 2021·Granted Nov 19, 2024·0 cites·4 claims
- 1956US12129879B2Suction strainerYAMASHIN FILTER CORP·Filed 2022·Granted Oct 29, 2024·0 cites·2 claims
- 2055US12214306B2Filter deviceYAMASHIN FILTER CORP·Filed 2021·Granted Feb 4, 2025·0 cites·17 claims
- 2155US12025085B2Tank deviceYAMASHIN FILTER CORP·Filed 2021·Granted Jul 2, 2024·0 cites·4 claims
- 2254US12194397B2Measurement unit and filter deviceYAMASHIN FILTER CORP·Filed 2022·Granted Jan 14, 2025·0 cites·10 claims
- 2353US11305215B2Filter deviceYAMASHIN FILTER CORP·Filed 2020·Granted Apr 19, 2022·0 cites·5 claims
- 2452US11511934B2Tank deviceYAMASHIN FILTER CORP·Filed 2019·Granted Nov 29, 2022·0 cites·3 claims
- 2550US10702808B2Filter device and filtration deviceYAMASHIN FILTER CORP·Filed 2019·Granted Jul 7, 2020·0 cites·4 claims
- 2650US2020306722A1Phosphorus adsorbent and method of producing phosphorus adsorbentFUJITA CORP·Filed 2020·Application pending·0 cites
- 2748US11504661B2Filter deviceYAMASHIN FILTER CORP·Filed 2020·Granted Nov 22, 2022·0 cites·12 claims
- 2848US2010252494A1Fluid supply device and fuel supply deviceYAMASHIN FILTER CORP·Filed 2009·Application pending·0 cites
- 2947US12025526B2Differential pressure detection deviceYAMASHIN FILTER CORP·Filed 2021·Granted Jul 2, 2024·0 cites·11 claims
- 3046US10060776B2Differential pressure sensor, and filtration device used therewithYAMASHIN FILTER CORP·Filed 2017·Granted Aug 28, 2018·0 cites·8 claims
- 3145US2019193009A1Filter deviceYAMASHIN FILTER CORP·Filed 2019·Application pending·0 cites
- 3242US10821377B2Filter deviceYAMASHIN FILTER CORP·Filed 2018·Granted Nov 3, 2020·0 cites·8 claims
- 3333US4521355AMethod of producing ceramic wareTOPPAN PRINTING COMPANY LTD·Filed 1983·Granted Jun 4, 1985·7 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →