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OPUTEI KK

Overview
  • Total Patents
    12
About

OPUTEI KK has a total of 12 patent applications. Its first patent ever was published in 2001. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology, chemical engineering and organic fine chemistry are NANJING WEIAN NEW MATERIAL SCIENCE & TECHNOLOGY CO LTD, SHANGHAI PETROCHEMICAL CO LTD and PROIZV GIDROLIZNOE OB GIDROLIZ.

Patent filings in countries

World map showing OPUTEI KKs patent filings in countries
# Country Total Patents
#1 Japan 12

Patent filings per year

Chart showing OPUTEI KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ino Eiichi 5
#2 Togawa Masayuki 4
#3 Sumita Makoto 4
#4 Enotani Jun 4
#5 Yoshida Makoto 3
#6 Hayashi Masahide 3
#7 Kaneko Yasuo 2
#8 Tei Wayoku 2
#9 Kimura Koichi 1
#10 Satou Rou 1

Latest patents

Publication Filing date Title
JP2015010073A Production method of urea water, method of removing triuret from urea water, and method of collecting triuret from solution
JP2014020789A Light measurement device
JP2014010101A High-accuracy collimator and method for manufacturing the same
JP2013257520A Optical connector
JP2013201329A Combiner having gain function, fiber laser, laser light amplifier, laser light amplification method, and amplification method for fiber laser suppressing higher order mode
JP2013201328A Fiber amplification device, method of adjusting spectral band width thereof, laser processing system equipped with fiber amplification device, and method of reducing optical loss thereof
JP2010285487A Halogen sampling additive
JP2006233037A Apparatus for treating polystyrene gel and method for treating
JP2006169271A Volume reducing agent for foamed polystyrene and method for recovering foamed polystyrene using the same
JP2006016584A Method and system for treating waste polystyrene foam
JP2003113384A Method for calculating theoretical air to fuel ratio in mixed fuel of gasoline, alcohol and ether, and method for producing the same mixed fuel
JP2003073676A Method for calculating theoretical air/fuel ratio of gasoline and method for producing gasoline with desired theoretical air/fuel ratio