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HIRAOKA MASAKATSU

Overview
  • Total Patents
    16
About

HIRAOKA MASAKATSU has a total of 16 patent applications. Its first patent ever was published in 1989. It filed its patents most often in Japan, Canada and United States. Its main competitors in its focus markets chemical engineering and environmental technology are URAL VNI KHIM FARMATSEVTICHESK, WALTER KITTEL and ZHEJIANG SONAC BIOLOG SCIENCE & TECHNOLOGY CO LTD.

Patent filings in countries

World map showing HIRAOKA MASAKATSUs patent filings in countries
# Country Total Patents
#1 Japan 8
#2 Canada 3
#3 United States 2
#4 EPO (European Patent Office) 1
#5 Republic of Korea 1
#6 Taiwan 1

Patent filings per year

Chart showing HIRAOKA MASAKATSUs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Chemical engineering
#2 Environmental technology

Top inventors

# Name Total Patents
#1 Imoto Yoshinori 15
#2 Hiraoka Masakatsu 15
#3 Yokoyama Takashi 11
#4 Suzuki Yasuo 11
#5 Noto Takashi 10
#6 Iwasaki Toshihiko 10
#7 Ishikawa Osamu 10
#8 Yamagishi Miki 8
#9 Hara Katsunosuke 7
#10 Tsuboi Haruhito 6

Latest patents

Publication Filing date Title
JPH08338616A Waste burning apparatus
US5294419A Method for removing nitrogen oxides and organic chlorine compounds from combustion waste gas
JPH04265122A Purifying method of waste gas
JPH04200703A Filtering material for exhaust gas purification
JPH04200722A Purification of exhaust gas
JPH04118027A Treatment of waste gas
CA2018356A1 Method of treating exhaust gas
JPH0342015A Decomposition treatment of fluorocarbon
JPH0312221A Waste refuse treatment method
JPH038415A Treatment of exhaust gas