Inventor · disambiguated record
Hirotaka Obata
Also filed as: OBATA HIROTAKA
3 granted patents·2 pending applications·30 citations·filing 2001–2017
59Inventor score
Top patents by PatentIndex Score
5 records- 0168US6766244B2Uploading and managing vehicle position informationHITACHI LTD·Filed 2002·Granted Jul 20, 2004·30 cites·21 claims
- 0257US2007226075A1Transaction Method of Reusable PartsHITACHI LTD·Filed 2007·Application pending·0 cites
- 0354US2002095348A1Transaction method of reusable partsFiled 2001·Application pending·0 cites
- 0445US10697920B2Gas sensorRIKEN KEIKI KK·Filed 2017·Granted Jun 30, 2020·0 cites·4 claims
- 0530US10012738B2Positioning method and positioning apparatus using satellite positioning systemHITACHI SHIPBUILDING ENG CO·Filed 2016·Granted Jul 3, 2018·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →