Qi Hao

Follow

Person

Beijing, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Active power filtering-based harmonic suppression method, system an...
- Patent number 12,100,956
- Issue date Sep 24, 2024
- North China Electric Power University
- Chongru Liu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Device and method for loading and unloading quartz reaction tube to...
- Patent number 9,390,952
- Issue date Jul 12, 2016
- Beijing Sevenstar Electronics Co., Ltd.
- Xinjia Lin
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
DEVICE AND METHOD FOR LOADING AND UNLOADING QUARTZ REACTION TUBE TO...
- Publication number 20150151772
- Publication date Jun 4, 2015
- Beijing Sevenstar Electronics Co., Ltd.
- Xinjia Lin
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS