Inventor · disambiguated record
Ryota Kubo
Also filed as: KUBO RYOTA
11 granted patents·5 pending applications·8 citations·filing 2007–2022
81Inventor score
Files withFUJI XEROX CO LTD4MITSUBISHI PENCIL CO4JFE STEEL CORP3SUMITOMO ELECTRIC HARDMETAL CORP3KUBO RYOTA2
Top patents by PatentIndex Score
16 records- 0190US12466210B2Shaft body of pencil or cosmeticMITSUBISHI PENCIL CO·Filed 2022·Granted Nov 11, 2025·2 cites·11 claims
- 0275US8862024B2Attachable/detachable body and image forming apparatusKUBO RYOTA·Filed 2011·Granted Oct 14, 2014·4 cites·9 claims
- 0367US9482991B2Image forming apparatus for transporting collected toner and new toner with reduced cloggingFUJI XEROX CO LTD·Filed 2015·Granted Nov 1, 2016·1 cites·11 claims
- 0467US8923724B2Driving device, cleaning device, charging device, assembly, and image forming apparatusFUJI XEROX CO LTD·Filed 2013·Granted Dec 30, 2014·1 cites·12 claims
- 0563US12448581B2Agent, oil country tubular goods, and threaded joint for oil country tubular goodsJFE STEEL CORP·Filed 2022·Granted Oct 21, 2025·0 cites·20 claims
- 0658US12397356B2Cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2022·Granted Aug 26, 2025·0 cites·3 claims
- 0756US2023242784A1Calcined solid drawing materialMITSUBISHI PENCIL CO·Filed 2021·Application pending·0 cites
- 0854US12312552B2Agent for forming solid lubricating coating film, oil country tubular goods, threaded joint for oil country tubular goods, and method for manufacturing oil country tubular goodsJFE STEEL CORP·Filed 2022·Granted May 27, 2025·0 cites·14 claims
- 0953US8027611B2Detachable holding portions in an image forming apparatusFUJI XEROX CO LTD·Filed 2010·Granted Sep 27, 2011·0 cites·8 claims
- 1051US2023398808A1Pencil leadMITSUBISHI PENCIL CO·Filed 2021·Application pending·0 cites
- 1148US7860428B2Detachable holding portions in an image forming apparatusFUJI XEROX CO LTD·Filed 2007·Granted Dec 28, 2010·0 cites·14 claims
- 1246US2021371690A1Non-baked pencil leadMITSUBISHI PENCIL CO·Filed 2019·Application pending·0 cites
- 1345US2024218280A1Agent for forming solid lubricating coating film, oil country tubular goods, and threaded joint for oil country tubular goodsJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 1442US2023386723A1Noise filter, and method for manufacturing ferrite coreKUBO RYOTA·Filed 2020·Application pending·0 cites
- 1534USD1076630SCutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2022·Granted May 27, 2025·0 cites·1 claims
- 1625USD1016349SPosition adjusting member for cutting toolSUMITOMO ELECTRIC HARDMETAL CORP·Filed 2022·Granted Feb 27, 2024·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →