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NITTETSU KAGAKU KOGYO KK

Overview
  • Total Patents
    54
About

NITTETSU KAGAKU KOGYO KK has a total of 54 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Japan and United Kingdom. Its main competitors in its focus markets basic materials chemistry and environmental technology are HEDVIGA GROUP A S, TAR & PETROLEUM PROCESS COMPAN and OBSHHESTVO S OGRANICHENNOI OTVETSTVENNOST YU PROMINTEKH.

Patent filings in countries

World map showing NITTETSU KAGAKU KOGYO KKs patent filings in countries
# Country Total Patents
#1 Japan 53
#2 United Kingdom 1

Patent filings per year

Chart showing NITTETSU KAGAKU KOGYO KKs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Utaka Wataru 15
#2 Sunago Hirofumi 9
#3 Tateno Minoru 9
#4 Kaji Masayoshi 8
#5 Miyazaki Harunori 7
#6 Kawakami Yoshichika 6
#7 Iwasa Misao 5
#8 Jiyou Hiroshi 4
#9 Tanaka Tomio 4
#10 Nagino Hisayuki 4

Latest patents

Publication Filing date Title
JPS59136382A Preparation of needle coke
JPS59122585A Production of needle coke
JPS59112927A Preparation of unsaturated dimer of alpha-alkylstyrene
JPS59108014A Liquid hydrocarbon resin and its preparation
JPS58183789A Production of coke for high-quality electrodes
JPS58156027A Preparation of carbon fiber
JPS58149983A Heat insulating device for coke drum
JPS584823A Production of carbon fiber
JPS582383A Reforming of aromatic composition
JPS581783A Manufacture of pitch
JPS57180482A Method for removing fluorine from waste fluorine water containing borofluoride
JPS5778486A Preparation of meso-phase pitch
JPS5747384A Preparation of pitch
JPS56166914A Filtration of heavy oil
JPS5698212A Washing of polymerized oil
JPS5682883A Dalayed coking apparatus and method of operating the same
JPS5670049A Modified coumarone resin composition
JPS5670007A Preparation of modified coumarone resin
JPS5670052A Epoxy resin composition
JPS5575762A Formation of combined coating layer