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STELLA CHEMIFA CORP

Overview
  • Total Patents
    393
  • GoodIP Patent Rank
    14,162
  • Filing trend
    ⇩ 100.0%
About

STELLA CHEMIFA CORP has a total of 393 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1998. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and China. Its main competitors in its focus markets materials and metallurgy, environmental technology and electrical machinery and energy are PLUG POWER INC, TOPSOEE FUEL CELL AS and GS FUELCELL CO LTD.

Patent filings per year

Chart showing STELLA CHEMIFA CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Nishida Tetsuo 130
#2 Waki Masahide 122
#3 Hirano Kazutaka 78
#4 Kon Sojiro 70
#5 Kikuyama Hirohisa 69
#6 Miyamoto Kazuhiro 65
#7 Sakaguchi Toshitaka 57
#8 Katsura Yoshifumi 56
#9 Hashiguchi Shinji 53
#10 Yamamoto Masashi 46

Latest patents

Publication Filing date Title
WO2020209032A1 Red phosphor and method for producing same
JP2020172633A Red phosphor and method for producing the same
CN111837272A Catalyst for fuel cell, membrane electrode assembly for fuel cell, and fuel cell provided with same
CN109074907A Fixed compound and its manufacturing method
WO2017111087A1 Monofluorophosphate ester salt, method for producing same, and fluorine ion-releasing composition
EP3396768A1 Non-aqueous electrolyte solution for secondary battery, and secondary battery provided therewith
HUE049996T2 Non-aqueous electrolyte solution for secondary battery, and secondary battery provided therewith
KR20180038476A A phosphoric acid diester salt, a production method thereof, a nonaqueous electrolyte solution of a chargeable element,
WO2017006977A1 Non-aqueous electrolyte solution for secondary battery, method for producing same, and secondary battery provided with same
EP3309890A1 Nonaqueous electrolyte solution for secondary batteries and secondary battery provided with same
JP2016204254A Crosslinked structure of carbon material and method for manufacturing the same
US2018026303A1 Nonaqueous electrolyte solution for secondary batteries and secondary battery provided with same
KR20170115512A Non-aqueous electrolyte for secondary battery and secondary battery having same
EP3255717A1 Non-aqueous electrolytic solution for secondary battery, and secondary battery including same
KR20160073286A Nitrogen-containing carbon material and production method of the same
JP2016204218A Manufacturing method of fluorosulfonylimide compound
WO2015122519A1 Production method for phosphoric acid diester salt and production method for phosphoric acid diester
WO2015122511A1 Manufacturing method for dihalophosphate alkali metal salt, and manufacturing method for difluorophosphate alkali metal salt
JP2015013794A Method for producing difluorophosphate
JP2015013796A Method for producing difluorophosphate