Inventor
REN ZHIJIA
JP5 patents
⚠️ This page may combine multiple inventors who share the name “REN ZHIJIA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD
4 patentsUSD776675SJan 17, 2017
Control unit for air compressor with graphical user interface
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD12 citations80
US11193482B2Dec 7, 2021
Air compressing apparatus and control method
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD2 citations70
US11603839B2Mar 14, 2023
Scroll compressor with two step inverter control
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations49
US10514026B2Dec 24, 2019
Fluid compression system and control device therefor
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD0 citations32