Learn more

LIU SHANGQING

Overview
  • Total Patents
    20
  • GoodIP Patent Rank
    185,002
About

LIU SHANGQING has a total of 20 patent applications. Its first patent ever was published in 1995. It filed its patents most often in China, Canada and United States. Its main competitors in its focus markets audio-visual technology, optics and medical technology are OPTIDISC INT LTD, DIGITAL PAPYRUS CORP and KOMURA EIJI.

Patent filings in countries

World map showing LIU SHANGQINGs patent filings in countries
# Country Total Patents
#1 China 13
#2 Canada 5
#3 United States 2

Patent filings per year

Chart showing LIU SHANGQINGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Liu Shangqing 19
#2 Liu Changsong 2
#3 Shangqing Liu 1

Latest patents

Publication Filing date Title
CN104224921A Traditional Chinese medicine composition for treating high blood pressure
CN104224948A Traditional Chinese medicine composition for treating alopecia areata
CN104224920A Application method of traditional Chinese medicine composition for treating high blood pressure
CN104224938A Traditional Chinese medicine composition for treating refractory headache
CN104224937A Application method of traditional Chinese medicine composition for treating refractory headache
CN104224832A Application method of traditional Chinese medicine composition for treating alopecia areata
US2015063089A1 Six-dimensional optical multilayer storage using two-photon absorption writing, erasing and optical coherence tomography reading
CA2804676A1 Six-dimensional multilayer optical storage device
CA2760081A1 Six-dimensional optical storage method and apparatus
CA2734440A1 Optical volumetric storage method and apparatus utilizing multiple tiny bragg reflectors as storage cell
CA2714847A1 Optical limiting method and devices based on self-formed standing waves with continuous multiple layer structure
CA2689701A1 Viewing device for welding helmets, sun visors and the like
CN1201130A Method and apparatus of light-radiation refrigerating and heat-collecting without energy consumption
CN1193093A Optical refrigerating and heat-collecting method without energy-consumption and apparatus therefor
CN1182217A Multiple-film polarizing beam splitter utilizing birefraction film
CN1172036A Anti-dazzle method and device for motor-driven vehicle meeting at night
CN1157933A Method and device for modifying optical switch and modulator performance by using resonance cavity
CN1155094A Passive ring-type optical chamber capable of storing single-way running light beam and application thereof
CN1136719A Input-only sealed ring type optical cavity and its use