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CHANGCHUN PHYS INST CHINESE

Overview
  • Total Patents
    29
About

CHANGCHUN PHYS INST CHINESE has a total of 29 patent applications. Its first patent ever was published in 1987. It filed its patents most often in China. Its main competitors in its focus markets materials and metallurgy are TATE TSUNEO, MIZUKAMI HIDEO and LUKASIEWICZ EUGENIUSZ.

Patent filings in countries

World map showing CHANGCHUN PHYS INST CHINESEs patent filings in countries
# Country Total Patents
#1 China 29

Patent filings per year

Chart showing CHANGCHUN PHYS INST CHINESEs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Building materials

Top inventors

# Name Total Patents
#1 Liu Xingren 4
#2 Sun Huanying 3
#3 Zhao Chengjiu 3
#4 Zheng Yan 3
#5 Ximin Huang 3
#6 Wang Xiaojun 3
#7 Liu Hongwu 2
#8 Cao Wanghe 2
#9 Ding Tiefu 2
#10 Kai Ma 2

Latest patents

Publication Filing date Title
CN1296949A Process for synthesizing benzoporphyrin zinc complex
CN1289741A Energy-accumulating luminous rare-earth enamel of ceramic and process for calcining its products
CN1276406A Efficient green phosphor of rare-earth phosphate and its preparing process
CN1266300A Microcavity structured all-solid laser for converting blue light on pump glass block of semiconductor laser
CN1254739A Coated electrofluorescent powder and its coating method
CN1254747A Green fluorescent body of rare-earth and garnet and its preparing process
CN1254770A Enclosing method of ampoule for growing crystal by sublimation method
CN1254831A Infrared laser path stereoscopic display
CN1253306A Four-wave mixing system with incoherent light time delay by gas delay line
CN1233641A Long-lag luminophore made of rare earth element activated alkaline earth metal boroaluminate
CN1233642A Red phosphor powder for high pressure mercury lamp
CN1232175A Photoelectric vacuum leakage detecting technique and apparatus
CN1230546A Extraction process of pheophorbide A from algae
CN1197831A Luminous aluminate material and its synthesis
CN1230791A Manufacture of film transistor switch device
CN1230582A Fluorescent nanometer rare earth oxide powder and its preparation
CN1230792A Manufacture of metal-insulator-metal switching device
CN1221978A N-shape indium phosphide ohm contact mfg. method
CN1221885A Large area isocandela raster beam-splitting board
CN1190115A Preparation of blue fluorescent powder