Inventor · disambiguated record
Akiko Hirayama
Also filed as: HIRAYAMA AKIKO
6 granted patents·3 pending applications·1 citations·filing 2017–2021
66Inventor score
Top patents by PatentIndex Score
9 records- 0170US10851252B2Aqueous ink composition for writing instrumentsMITSUBISHI PENCIL CO·Filed 2017·Granted Dec 1, 2020·1 cites·14 claims
- 0262US12441899B2Ink composition for water-based ballpoint penMITSUBISHI PENCIL CO·Filed 2020·Granted Oct 14, 2025·0 cites·17 claims
- 0362US11987068B2Marking penMITSUBISHI PENCIL CO·Filed 2021·Granted May 21, 2024·0 cites·5 claims
- 0458US12202990B2Aqueous ink composition for ballpoint penMITSUBISHI PENCIL CO·Filed 2020·Granted Jan 21, 2025·0 cites·2 claims
- 0557US12110401B2Aqueous ink composition for writing instrumentMITSUBISHI PENCIL CO·Filed 2019·Granted Oct 8, 2024·0 cites·5 claims
- 0650US11634601B2Aqueous ink composition for ballpoint penMITSUBISHI PENCIL CO·Filed 2018·Granted Apr 25, 2023·0 cites·7 claims
- 0750US2022169874A1Ink composition for water-based ballpoint penMITSUBISHI PENCIL CO·Filed 2020·Application pending·0 cites
- 0848US2021375085A1Money storage device and checkout deviceTOSHIBA TEC KK·Filed 2021·Application pending·0 cites
- 0947US2021192480A1Store system, information processing device and control program therefor, and checkout machine and control program thereforTOSHIBA TEC KK·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →