Learn more

HASHIMOTO CHEM CORP

Overview
  • Total Patents
    13
About

HASHIMOTO CHEM CORP has a total of 13 patent applications. Its first patent ever was published in 1991. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy, basic materials chemistry and chemical engineering are WEST END CHEMICAL COMPANY, BURNHAM CHEMICAL COMPANY and ELEKTROCHEMISCHE FABRIKEN G M.

Patent filings in countries

World map showing HASHIMOTO CHEM CORPs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing HASHIMOTO CHEM CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Maeno Matagoro 7
#2 Hashimoto Tsuguo 6
#3 Omi Tadahiro 5
#4 Hirayama Ryoji 5
#5 Miki Masahiro 4
#6 Tsujita Minoru 2
#7 Naito Takuya 2
#8 Chiba Kazuo 2
#9 Takahashi Reiko 2
#10 Eguchi Toshiharu 2

Latest patents

Publication Filing date Title
JPH09268005A Production of lithium hexafluorophosphase and apparatus therefor
JPH08327289A Heat exchanger having crystal adhesion preventing function and device equipped with the same
JPH08302039A Surface modification of polypropylene molding for plating or bonding
JPH0872158A Treatment method for surface painting of polypropylene molding
JPH0833801A Method for removing surfactant from etchant containing surfactant
JPH0810775A Treatment of waste water containing hexafluorophosphate ion
JPH07328645A Treatment method of waste water containing borofluoride ion
JPH08196861A Decomposition treatment of hydride and treating device therefor
JPH0775731A Method for recovering calcium fluoride
JPH06232107A Fine-processing finishing agent
JPH06201540A Ultra-clean sample sampling device and method
JPH05311466A Industrial material with formed fluorinated passive state film
JPH06219708A Method for supplying diluted hydrofluoric acid and diluted hydrofluoric acid-supplying device used therefor