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NIPPON STAINLESS STEEL CO

Overview
  • Total Patents
    349
About

NIPPON STAINLESS STEEL CO has a total of 349 patent applications. Its first patent ever was published in 1974. It filed its patents most often in Japan, United Kingdom and United States. Its main competitors in its focus markets machine tools, materials and metallurgy and environmental technology are MITSUBISHI HITACHI METALS, MITSUBISHI HITACHI METALS MACHINERY INC and TIANJIN SAINTEAGLE WELDING CO.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Yoshida Takeshi 50
#2 Aoki Masahiro 39
#3 Kitani Shigeru 37
#4 Saitou Kiichi 34
#5 Ikeda Akiyasu 33
#6 Kobayashi Mineo 25
#7 Yamada Shigeru 25
#8 Nokoya Masaki 22
#9 Goshokubo Kenichi 19
#10 Ishiyama Shigeji 19

Latest patents

Publication Filing date Title
JPH05163523A Annealing method for improving descaling property of chromium-base stainless steel hot-rolled sheet
JPH05154571A Deep drawing method for metal clad plate
JPH05154502A Manufacture of channel
JPH05156411A High-si austenitic stainless cast steel for concentrated nitric acid having excellent castability and toughness
JPH05154616A Roll for continuously casting sheet metal
JPH05146857A Method for protecting eddy current type molten metal surface level sensor
JPH05148548A Production of high-toughness ferritic stainless steel strip
JPH05146880A Manufacture of al/stainless steel clad coil material
JPH05146845A Manufacture of skid frame base
JPH05138312A Method for continuously casting sulfur-containing stainless steel
JPH05117815A Austenitic stainless steel having low work hardenability
JPH05105991A Corrosion resistant roll for galvanizing
JPH0598469A Method for perforating metallic sheet by etching
JPH0585655A Method of transferring wide metal foil and device thereof
JPH0558520A Wide metal foil holding and reversing transfer device
JPH0551784A Ti-al alloy thin film and production thereof
US5160389A Flexible tube for automotive exhaust systems
JPH0517852A Stainless steel for concentrated nitric acid excellent in toughness and corrosion resistance in weld zone
JPH05386A Manufacture of aluminum/invar/aluminum clad material
JPH04297532A Production of niti alloy