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AIR LIQUIDE JAPAN LTD

Overview
  • Total Patents
    167
  • GoodIP Patent Rank
    54,117
  • Filing trend
    ⇩ 37.0%
About

AIR LIQUIDE JAPAN LTD has a total of 167 patent applications. It decreased the IP activity by 37.0%. Its first patent ever was published in 1993. It filed its patents most often in Japan, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets chemical engineering, environmental technology and mechanical elements are HUBEI HEYUAN GASES CO LTD, MAK JOHN and HANGZHOU HANGYANG CRYOGENIC LIQUEFY EQUIPMENT CO LTD.

Patent filings per year

Chart showing AIR LIQUIDE JAPAN LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yamashita Naohiko 25
#2 Koura Terumasa 21
#3 Tomita Shinji 13
#4 Kameoka Takashi 12
#5 Ibaraki Yoshihiro 12
#6 Nakamoto Naoyuki 11
#7 Yamamoto Takao 11
#8 Nakagawa Toshiyuki 11
#9 Yokoki Kazuo 10
#10 Nozawa Fumikazu 10

Latest patents

Publication Filing date Title
JP2019083320A Excimer laser oscillator having gas recycling function
JP2020029913A Check valve, and operation test device having check valve
JP2019094561A Solid material container and solid material product having solid material charged into solid material container
JP2019166477A Removal system and removal method for removing moisture from moisture-containing organic solvent
JP2019141752A Laser gas recycle system and method for the same
JP2019007073A Solid material container and solid material product having solid material container filled with solid material
JP2019104659A Solid material pre-treatment method and solid material product filled with solid material produced by the solid material pre-treatment method
JP2019094537A Solid material container and solid material product having solid material charged into solid material container
JP2019058889A Manufacturing method of liquefied mixed gas, liquefied mixed gas storage tank and liquefied mixed gas manufacturing equipment
JP2018195713A Excimer laser oscillator with gas recycling function
JP2017148807A Neon recovery refinement system and neon recovery refinement method
JP2018079461A Impurity removal device and recycle gas recovery purification system equipped with impurity removal device
CN110036231A Hydrogenation system
JP2018084298A Drainage separator, and drain separation and discharge system
JP2018060446A Data collection system for plant equipment
JP2018058691A Chemical loading information system
JP2017205736A Sublimation gas supply system and sublimation gas supply method
JP2017190860A Heat insulation structure and manufacturing method thereof
JP2017122528A Heat treatment device, heat treatment system including heat treatment device, and manufacturing method of workpiece
JP2017106054A Carburization system and production method of surface hardened steel