Inventor · disambiguated record
Kei Oomoto
Also filed as: OOMOTO KEI
9 granted patents·1 pending application·12 citations·filing 2008–2024
80Inventor score
Top patents by PatentIndex Score
10 records- 0176US7976236B2ApplicatorMITSUBISHI PENCIL CO·Filed 2008·Granted Jul 12, 2011·6 cites·6 claims
- 0272US9597920B2Writing instrument or applicator having resin molded partsMITSUBISHI PENCIL CO·Filed 2014·Granted Mar 21, 2017·3 cites·5 claims
- 0365US9358828B2Mechanical pencilMITSUBISHI PENCIL CO·Filed 2013·Granted Jun 7, 2016·1 cites·5 claims
- 0462US12207722B2ApplicatorMITSUBISHI PENCIL CO·Filed 2024·Granted Jan 28, 2025·0 cites·4 claims
- 0560US12472766B2Surgical ink, production method for said ink, and surgical pen using said inkNAT CENTER FOR GLOBAL HEALTH AND MEDICINE·Filed 2023·Granted Nov 18, 2025·0 cites·6 claims
- 0656USD998708SWriting instrumentMITSUBISHI PENCIL CO·Filed 2021·Granted Sep 12, 2023·2 cites·1 claims
- 0753US9834032B2Mechanical pencilMITSUBISHI PENCIL CO·Filed 2014·Granted Dec 5, 2017·0 cites·15 claims
- 0848US2025388041A1Writing instrument and writing part replacement unitMITSUBISHI PENCIL CO·Filed 2022·Application pending·0 cites
- 0938USD994771SWriting instrumentMITSUBISHI PENCIL CO·Filed 2023·Granted Aug 8, 2023·0 cites·1 claims
- 1030USD1103384SMedical marking penNAT CENTER FOR GLOBAL HEALTH AND MEDICINE·Filed 2023·Granted Nov 25, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →