Learn more

NIPPON SPENG CO

Overview
  • Total Patents
    44
  • GoodIP Patent Rank
    229,934
About

NIPPON SPENG CO has a total of 44 patent applications. Its first patent ever was published in 1978. It filed its patents most often in Japan, United States and Brazil. Its main competitors in its focus markets machine tools, thermal processes and materials and metallurgy are GEGA LOTZ GMBH, VOLKSWERFT GMBH and ELEKTRO THERMIT ESSEN G M B H.

Patent filings in countries

World map showing NIPPON SPENG COs patent filings in countries
# Country Total Patents
#1 Japan 37
#2 United States 2
#3 Brazil 1
#4 China 1
#5 Germany 1
#6 France 1
#7 Taiwan 1

Patent filings per year

Chart showing NIPPON SPENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shioda Fuminosuke 26
#2 Watanabe Yuji 7
#3 Nakamura Osayasu 6
#4 Yoshino Tamiya 6
#5 Nakatani Morihiko 6
#6 Ushioda Bunnosuke 5
#7 Taniyama Masao 3
#8 Iwahashi Osamu 3
#9 Ichiyama Toshiharu 2
#10 Kuroki Masatsugu 2

Latest patents

Publication Filing date Title
JP2020192551A Gas cutting device and gas cutting method
JP2012218014A Flame scarfing nozzle, and flame scarfing method
JP2006007244A Device for supplying powder in continuous casting
JP2005016792A High-pressure high-speed cutting tip
JP2004251510A Heating burner
JP2004195479A Method of removing cut burr, and burner therefor
JP2004174520A Method and device for removing slag in tundish
JP2002357307A High pressure high speed cutting nozzle
JP2002103128A Torching burr removing device
JP2002035932A Scarfing method
JP2001246464A Method and device for gas cutting
JP2000141030A Powder cutting device
JPH11347724A Removing method for flame scarfing burr
JPH11190503A High-pressure/high-speed cutting nozzle
JPH11165227A Grinding and cutting devices for steel pipe and method thereof
JPH09225807A Grinding wheel cutting device
JPH09210320A Melting/shaving apparatus
JPH0976060A Scarfing nozzle
JPH08281398A Production of continuously cast slab
JPH081324A Nozzle for removing fused slag