Category:Chang LIU

Chang LIU

Executive Summary

Chang LIU is an inventor who has filed 9 patents. Their primary areas of innovation include ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps (3 patents), ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps (3 patents), ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps (2 patents), and they have worked with companies such as DH Technologies Development Pte. Ltd. (9 patents). Their most frequent collaborators include (4 collaborations), (2 collaborations), (2 collaborations).

Patent Filing Activity

File:Chang LIU Monthly Patent Applications.png

Technology Areas

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List of Technology Areas

• H01J49/0431 (ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps): 3 patents
• H01J49/0454 (ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps): 3 patents
• H01J49/24 (ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps): 2 patents
• G01N30/20 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms): 1 patents
• B01D15/14 (SEPARATION (separating solids from solids by wet methods): 1 patents
• G01N30/22 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms): 1 patents
• G01N30/7233 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms): 1 patents
• G01N2030/201 (INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing processes other than immunoassay, involving enzymes or microorganisms): 1 patents
• H01J49/0445 (ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps): 1 patents
• H01J49/0409 (ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps): 1 patents
• G01N33/6848 ({Methods of protein analysis involving mass spectrometry}): 1 patents
• G01N33/54326 ({Magnetic particles}): 1 patents
• G01N33/54346 ({Nanoparticles}): 1 patents
• G01N33/57488 ({involving oncogenic proteins}): 1 patents
• H01J49/167 ({Capillaries and nozzles specially adapted therefor; (electrostatic spraying per se): 1 patents
• H01J49/0031 (Particle spectrometers or separator tubes): 1 patents
• H01J49/068 (ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS (spark-gaps): 1 patents
• H01J49/165 ({Electrospray ionisation}): 1 patents

Companies

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List of Companies

• DH Technologies Development Pte. Ltd.: 9 patents

Collaborators

• Thomas R. COVEY (4 collaborations)
• Tim HAEBE (2 collaborations)
• Hui ZHANG of Winchester MA (US) (2 collaborations)
• Peter KOVARIK (2 collaborations)
• David Michael COX (1 collaborations)
• Thomas COVEY (1 collaborations)