Inventor · disambiguated record
Keiji Maekawa
Also filed as: MAEKAWA KEIJI
10 granted patents·1 pending application·42 citations·filing 2004–2024
86Inventor score
Top patents by PatentIndex Score
11 records- 0187US9223463B1Mobile user interface for a picker applicationKAWAGUCHI RYO·Filed 2012·Granted Dec 29, 2015·26 cites·20 claims
- 0281US12332957B2Indicating location statusGOOGLE LLC·Filed 2024·Granted Jun 17, 2025·0 cites·18 claims
- 0380US10268770B2Indicating location statusGOOGLE INC·Filed 2017·Granted Apr 23, 2019·2 cites·14 claims
- 0480US9720933B2Indicating location statusGOOGLE INC·Filed 2016·Granted Aug 1, 2017·2 cites·20 claims
- 0580US9460218B2Indicating location statusGOOGLE INC·Filed 2012·Granted Oct 4, 2016·4 cites·20 claims
- 0676US11921803B2Indicating location statusGOOGLE LLC·Filed 2022·Granted Mar 5, 2024·0 cites·17 claims
- 0776US11487830B2Indicating location statusGOOGLE LLC·Filed 2019·Granted Nov 1, 2022·1 cites·20 claims
- 0851US2025229812A1Train control system and train control methodHITACHI LTD·Filed 2022·Application pending·0 cites
- 0949US12145642B2Running pattern creation device and driving control method that uses running pattern creation deviceHITACHI LTD·Filed 2020·Granted Nov 19, 2024·0 cites·7 claims
- 1046US8924050B2Railway signalling system and on-board signalling systemKATSUTA KEIICHI·Filed 2012·Granted Dec 30, 2014·1 cites·10 claims
- 1144US7954334B2Inverter system and vehicleHITACHI LTD·Filed 2004·Granted Jun 7, 2011·6 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →