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ERMA INC

Overview
  • Total Patents
    12
About

ERMA INC has a total of 12 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets chemical engineering, measurement and environmental technology are KANSAI CHEMICAL ENG CO LTD, MAVAG VERFAHRENSTECH AG and MAKAROV EVGENIJ P.

Patent filings in countries

World map showing ERMA INCs patent filings in countries
# Country Total Patents
#1 Japan 9
#2 United States 2
#3 EPO (European Patent Office) 1

Patent filings per year

Chart showing ERMA INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shirato Kozo 10
#2 Kawashima Kazuyasu 9
#3 Kobayashi Masashi 3
#4 Hiraizumi Kazuo 2
#5 Fukunaga Tokuhito 2
#6 Shiyafu Yoshiaki 2
#7 Inoue Saburo 1
#8 Nagai Akihiko 1
#9 Tanaka Minoru 1
#10 Mori Yasutomo 1

Latest patents

Publication Filing date Title
JP2007134267A Device and method for reducing oxidized state of metal
JP2006114430A Overcharge-preventing device for storage battery
JPS63302926A Device for replacing dissolved gas in liquid
JPS63300941A Zero correcting device for optical measuring instrument
JPS63111909A Degasification apparatus
US4729773A Unit for degassing liquids
JPS62249066A Calibrating liquid for inspecting blood
JPS62249065A Calibrating liquid for inspecting blood
JPS62241538A Liquid mixing device
JPS62241532A Liquid mixing device
EP0197200A2 Apparatus for adjusting concentration of solution