Inventor · disambiguated record
Zhijia Ren
Also filed as: REN ZHIJIA
4 granted patents·1 pending application·14 citations·filing 2013–2021
65Inventor score
Top patents by PatentIndex Score
5 records- 0170US11193482B2Air compressing apparatus and control methodHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2014·Granted Dec 7, 2021·2 cites·6 claims
- 0264USD776675SControl unit for air compressor with graphical user interfaceHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2015·Granted Jan 17, 2017·12 cites·1 claims
- 0353US11603839B2Scroll compressor with two step inverter controlHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2017·Granted Mar 14, 2023·0 cites·7 claims
- 0438US2024026874A1Gas compression system and control method thereofHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2021·Application pending·0 cites
- 0537US10514026B2Fluid compression system and control device thereforHITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD·Filed 2013·Granted Dec 24, 2019·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →