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NIPPON JIRYOKU SENKO

Overview
  • Total Patents
    306
About

NIPPON JIRYOKU SENKO has a total of 306 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United States and Republic of Korea. Its main competitors in its focus markets environmental technology, materials and metallurgy and chemical engineering are NIPPON JIRIYOKU SENKOU KK, G OBRAZOVATEL NOE UCHREZHDENIE VYSSHEGO PROFESSIONAL NOGO OBRAZOVANIJA IVANOVSKIJ G KHIM T UNI and WENTING WANG.

Patent filings in countries

World map showing NIPPON JIRYOKU SENKOs patent filings in countries
# Country Total Patents
#1 Japan 293
#2 United States 7
#3 Republic of Korea 5
#4 Taiwan 1

Patent filings per year

Chart showing NIPPON JIRYOKU SENKOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tomari Masao 118
#2 Harada Akihisa 37
#3 Kato Masao 19
#4 Oshiumi Takashi 18
#5 Tanigawa Kazuaki 18
#6 Toshimitsu Kouji 16
#7 Jiyougo Hiroyuki 16
#8 Kumamoto Hiroshi 14
#9 Yoshimori Jutaro 12
#10 Uno Hisashi 11

Latest patents

Publication Filing date Title
JP2000033286A Dry process magnetic separator
JP2000061348A Magnetic sorter
JP2000054010A Production of iron powder from steelmaking dust
JPH11218388A Utilizing method of metal, discharged out of melting furnace as slag
JP2000005625A Wet type sorter
JPH11229047A Raw material for iron-making and production therefor
JPH1133493A Pneumatic classifier
JPH1133427A Driver for rod mill
JPH1119526A Electromagnetic driving type stamp mill
JPH1110083A Inverted grate device for sorting large lump in raw materials
JPH10286482A Bag rupturing device
JPH10216678A Preventing method of leaching of waste containing heavy metal
JPH10156211A Treatment of aluminum processed product refuse
JPH10128151A Magnetic selector
JPH10132469A Method for processing water-granulated magnetically attracted material
JPH1015421A Bag breaking device
JPH09314095A Treatment of shredder dust
JPH09227180A Treatment of sludge containing free lime
JPH09141018A Wet process magnetic sorter
JPH0975853A Treatment method for shredder dust incineration ash