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HONSHU KAGAKU KOUGIYOU KK

Overview
  • Total Patents
    12
About

HONSHU KAGAKU KOUGIYOU KK has a total of 12 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and organic fine chemistry are SEDIN NINGBO ENGINEERING CO LTD, INST TEORETICHESKIKH KHIM T AN and SHAANXI COAL CHEMICAL TECHNOLOGY ENGINEERING CT LTD.

Patent filings in countries

World map showing HONSHU KAGAKU KOUGIYOU KKs patent filings in countries
# Country Total Patents
#1 Japan 12

Patent filings per year

Chart showing HONSHU KAGAKU KOUGIYOU KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yura Shiyouzou 4
#2 Kasamatsu Haruo 3
#3 Isoda Yoichiro 3
#4 Isoda Youichirou 2
#5 Ashida Kazuhito 2
#6 Kikuchi Takeshi 2
#7 Abe Taku 2
#8 Matsunaga Fujinao 2
#9 Nagafuji Mitsuaki 2
#10 Kumaki Kiyoshi 1

Latest patents

Publication Filing date Title
JPH04208279A Production of bistrimellitic anhydride bisphenol ester
JPH04117340A Selective production of p-(1-phenylethyl)phenols
JPH0499755A Production of 1,3-dinitro-4-(2',2',2'-trifluoroethoxy)benzene
JPH0499742A Catechol derivative composition
JPH0496944A Biphenol derivative composition
JPH0469353A Production of tetrachloro-1,4-benzoquinone
JPH03258745A Production of chloranil
JPS5433891A Method of collecting cyclohexane airing catalyst
JPS5340697A Preparation of catalysts for diallyl amine synthesis
JPS5330164A Treating of waste water containing phenols
JPS5321142A Process for manufacture of mmtoluene sulfonic acid
JPS52102236A Process for preparing 3*55xylenol