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CHANGCHUN INST OF GEOGRAPHY CH

Overview
  • Total Patents
    21
About

CHANGCHUN INST OF GEOGRAPHY CH has a total of 21 patent applications. Its first patent ever was published in 1995. It filed its patents most often in China. Its main competitors in its focus markets environmental technology are FGOU VPO CHUVASHSKAJA G SEL SK, NII KOMPLEKSNYKH ISPYTANIJ OPT and TOHO EARTHTECH INC.

Patent filings in countries

World map showing CHANGCHUN INST OF GEOGRAPHY CHs patent filings in countries
# Country Total Patents
#1 China 21

Patent filings per year

Chart showing CHANGCHUN INST OF GEOGRAPHY CHs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Shao Qingchun 7
#2 Liang Zhengwei 4
#3 Li Jinglin 4
#4 Yang Fuyi 4
#5 Zhang Junrong 3
#6 Chen Guoshuang 3
#7 Sun Guangyou 3
#8 Yi Fuke 3
#9 Li Xiujun 2
#10 Zhang Xiaoping 2

Latest patents

Publication Filing date Title
CN1430871A Small type automatic device for pulling off awns of paddy rice seed
CN1430869A Small device for quick refining and roguing seeds
CN1418536A Simple and high efficiency device for castration for hybridization of rice
CN1418457A Quick and automatic threshoer for single stem of rice
CN1304648A Technique for increasing survival rate of forest frog tadpoles in the field
CN1304651A Technique for increasing survivalrate of one-age young forest frog in the field
CN1304911A Organic food special fertilizer
CN1304649A Technique for increasing hatchability of forest frog cytulos in the field
CN1304650A Technique for increasing metamorphotic rate of forest frog tadpoles in the field
CN1305089A Underground imaging radar with impact pulses
CN1304646A Technique for cultivating high-yield high-quality rice by sparse sowing and dnese planting
CN1353098A Fertilizer dedicated for cultivating paddy rice as class-A green food in mid-mountain area
CN1302033A Space-time positioned field culture information collecting, processing and analysing system and method
CN1299584A Large rice seedling growing technology in container for resiting cultivation in saline-alkaline land
CN1249429A Process for extracting alkyl nercury and phenyl mercury from coal and evaluating them
CN1212119A Saline-alkali springy land rice field-upland field combined planting technology
CN1212120A Rice, fish, livestock, birds and grass comprehensive culture technique in soda lake
CN1178066A Rice cropping technology in ancient river courses type of soda lakes
CN1184943A Satellite carried microwave radiometer one point calibration method
CN1184939A Real-time calibration microwave radiometer