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MITSUBISHI CHEM IND

Overview
  • Total Patents
    16,153
About

MITSUBISHI CHEM IND has a total of 16,153 patent applications. Its first patent ever was published in 1953. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, environmental technology and macromolecular chemistry and polymers are CHEMIE LINZ AG, BASF AG and HOECHST AG.

Patent filings per year

Chart showing MITSUBISHI CHEM INDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Niwa Toshio 294
#2 Maeda Shuichi 254
#3 Himeno Kiyoshi 251
#4 Imahori Seiichi 231
#5 Kikumoto Ryoji 226
#6 Hasuo Masayoshi 212
#7 Ozawa Tetsuo 211
#8 Takimoto Hiroshi 203
#9 Ono Hitoshi 203
#10 Murata Yukichi 189

Latest patents

Publication Filing date Title
CN1443885A Conductive carbon fibre fabric and solid polymer fuel cell
CN1421388A Silica and producing method thereof
CN1414035A Polycarbonate composition, additional record disk base plate and disk and method for making disk
CN1398860A Tetrahydrofuran refining process
CN1379288A Etching method and quantitative analysis method of etching liquid
CN1348986A Polyglyceryl fatty acid ester used for detergent, detergent contg. same
CN1309112A Method for preparing alkylene diol
CN1492001A Carbon black and its preparing method
GB9623641D0 Herbicides
CN1133278A Method for preparation of butylaldehyde group
CN1133277A Method for preparation of branched-aldehyde
US5827365A Compound semiconductor and its fabrication
EP0675198A1 Gene that identifies sterile plant cytoplasm and process for preparing hybrid plant by using the same.
EP0704414A1 Alumina fiber granules, process for producing the granules and a process for producing a porous article using the granules
US5510176A Polytetrafluoroethylene porous film
US5501931A Toner for flash fixation
US5660628A Method of manufacturing semiconductor epitaxial wafer
SG113994G Method and apparatus for producing a magnetic recording medium
SG111894G Longitudinal magnetic recording medium
US5447726A Orally administrable cholesterol lowering agent