Shanghai
China
9
2021-09-30
The entities that hold a legal rights for patent applications filed by inventor JI Rujun:
Rujun JI from Shanghai, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Methods and apparatus to determine a position of a rotatable shaft of a motor
#2 | 2021-04-08Bi-directional electric energy meter
#3 | 2020-08-20Capacitive-sensing rotary encoders and methods
#4 | 2020-02-13Bi-directional electric energy meter
#5 | 2019-03-07Bi-directional electric energy meter
#6 | 2018-11-15Capacitive-sensing rotary encoders and methods
#7 | 2018-11-15Methods and apparatus to determine a position of a rotatable shaft of a motor
#8 | 2017-09-21Bi-directional electric energy meter
#9 | 2016-06-30Bi-directional electric energy meter
1578813 ⎘