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DAIDO HOXAN INC

Overview
  • Total Patents
    320
About

DAIDO HOXAN INC has a total of 320 patent applications. Its first patent ever was published in 1984. It filed its patents most often in Japan, EPO (European Patent Office) and Taiwan. Its main competitors in its focus markets surface technology and coating, chemical engineering and environmental technology are DAIDO OXYGEN, LINDE EISMASCH AG and BABCOCK IP MAN NUMBER ONE LIMITED.

Patent filings per year

Chart showing DAIDO HOXAN INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yoshino Akira 75
#2 Kitano Kenzo 55
#3 Kiyama Hiromi 42
#4 Miyamoto Atsushi 35
#5 Hayashida Tadashi 34
#6 Yokoyama Takashi 29
#7 Tawara Masaaki 29
#8 Minato Teruo 29
#9 Yamamoto Kazuma 20
#10 Tahara Masaaki 19

Latest patents

Publication Filing date Title
JP2000087214A Nitriding method for maraging steel and maraging steel product obtained thereby
JP2000060758A Overflow treatment device for overflow of bathroom unit
JP2000053562A Spraying composition
JP2000046426A Temperature raising method for pulse pipe refrigerating machine
WO0003799A1 Nitrogen adsorbent and use thereof
JPH11351688A Pulse tube refrigerating machine and cryopump
JPH11351687A Pulse tube refrigerator
EP0884099A2 Gas generating apparatus and gas generation process using the same
JPH11333280A Process and device for flowing type feeder for desired concentration mixed gas formed of two kinds of gases
JPH11337471A Evaluation of crystal quality of polycrystalline substance
JPH11340139A Thin-film manufacturing device and method for manufacturing thin-film product using it
JPH11319458A Pretreating device in air separation device
JPH11325715A Pretreatment device in air separator
JPH11325720A Manufacture of ultra-high-purity nitrogen gas and device therefor
JPH11319047A Method for replacing remaining ethylene oxide gas with air after article to be sterilized in sterilization can is treated and its apparatus
JPH11321433A Tank lorry
JPH11256949A Draining structure of bathroom door
JPH11201635A Liquid oxygen refining method and device used therein
JPH11180710A Apparatus for production of silicon ingot
JPH11180709A Production of high-purity silicon ingot