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JAPAN METALS & CHEM CO LTD

Overview
  • Total Patents
    730
  • GoodIP Patent Rank
    152,462
  • Filing trend
    ⇩ 50.0%
About

JAPAN METALS & CHEM CO LTD has a total of 730 patent applications. It decreased the IP activity by 50.0%. Its first patent ever was published in 1969. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets environmental technology, materials and metallurgy and electrical machinery and energy are URAL ELEKTROKHIMICHESKIJ KOM, CITIC GUOAN MENGGULI POWER TECHNOLOGY CO LTD and NANJING UNIVERSTIY SUZHOU HIGH TECH INST.

Patent filings per year

Chart showing JAPAN METALS & CHEM CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Fujinuma Tatsuhiko 37
#2 Kobayashi Kenichi 35
#3 Oku Kouichi 34
#4 Honda Jitoku 34
#5 Takehara Hisao 33
#6 Yonezawa Takao 29
#7 Uotani Susumu 29
#8 Takahashi Hisashi 28
#9 Sakai Nagaharu 28
#10 Matsuda Toshiaki 28

Latest patents

Publication Filing date Title
JP2020191184A Method for recovering foil and active material from positive electrode for non-aqueous electrolyte secondary battery
JP2020158824A Hydrogen storage alloy for alkaline storage battery and alkaline storage battery using the same as negative electrode and vehicle
JP2020087517A Hydrogen storage alloy for alkaline storage battery and alkaline storage battery using the same
JP2018190610A Method for processing lithium ion battery, and metal material for nickel metal hydride battery or metal material for hydrogen storage
JP2018190611A Method for processing lithium ion battery
JP2017124956A Manufacturing method of molten slag for phosphoric acid fertilizer and manufacturing method of phosphoric acid fertilizer
JP2017079149A Immersion heater
JP2016044121A Producing method of fertilizer
JP2016044117A Method for manufacturing fertilizer
JP2016037661A Method for recovering valuable metal
JP2015113522A Hydrogen storage alloy and nickel-hydrogen battery
JP2015034101A Method for producing fertilizer
JP2013037985A Immersion heater
JP2012229481A Method for separating and recovering valuable material from used lithium ion battery
JP2012067357A Hydrogen storage alloy, and nickel hydrogen secondary battery
JP2011208794A Heat treatment vessel, method for manufacturing hydrogen storage tank using the same, hydrogen storage tank manufactured by using the same, and method for manufacturing oxidized object using the same
JP2008210809A Secondary battery hydrogen storage alloy
JP2008200739A Rotary member for molten metal degassing apparatus, and molten metal degassing apparatus comprising the same
JP2007291474A Hydrogen storage alloy and nickel-hydride secondary battery
KR20070107757A Method of melting alloy containing high-vapor-pressure metal