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FENG HONGZHANG

Overview
  • Total Patents
    11
About

FENG HONGZHANG has a total of 11 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 basic materials chemistry are HEFEI LUFEI AGRICULTURAL SCIENCE AND TECHNOLOGY CO LTD, NANJING INST OF SOIL CHINESE A and HENAN VISION TECHNOLOGY CO LTD.

Patent filings in countries

World map showing FENG HONGZHANGs patent filings in countries
# Country Total Patents
#1 China 11

Patent filings per year

Chart showing FENG HONGZHANGs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

Top inventors

# Name Total Patents
#1 Hongzhang Feng 11

Latest patents

Publication Filing date Title
CN1085191A Process for preparing deuterium-free water
CN1068244A Bactericide (wither-resistant agent) and preparation method thereof
CN1036004A Strange fertilizer and preparation method thereof
CN1035939A Cabbages growing effectives and preparation method thereof
CN1035937A Antitoxin and preparation method thereof
CN1036005A Grace fertilizer and preparation method thereof
CN1035941A Withered spirit and preparation method thereof
CN1035940A Anti-wilting effectives and preparation method thereof
CN1035938A Vegetable growing effectives and preparation method thereof
CN1033231A Antiblastin and preparation method thereof
CN1033232A Hezhuangbao and preparation method thereof