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NAKAJIMA KOKAN KK

Overview
  • Total Patents
    85
About

NAKAJIMA KOKAN KK has a total of 85 patent applications. Its first patent ever was published in 1986. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology and machine tools are Wuli electromechanical technology kunshan co ltd, KUNSHAN AODELU AUTOMATION TECH and PUBLIC R & D PROMOTING CT OF EMICZ OF SHENYANG TIEXI.

Patent filings in countries

World map showing NAKAJIMA KOKAN KKs patent filings in countries
# Country Total Patents
#1 Japan 85

Patent filings per year

Chart showing NAKAJIMA KOKAN KKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Nakajima Shin 49
#2 Nakajima Norio 38
#3 Nakajima Hiroshi 33
#4 Onda Kazuo 1

Latest patents

Publication Filing date Title
JPH10225721A Manufacture of large-diameter square steel tube having corner part whose material is improved
JPH1177213A Method and equipment for partially increasing wall thickness of tubular body
JPH1177151A Partial thickening method for tubular body and partial thickening equipment for tubular body
JPH1071423A Square steel tube and its production
JPH11731A Manufacture of steel tube with internal reinforcement
JPH10277640A Manufacture of steel tube
JPH10273930A Steel pipe with internal reinforcing member and manufacture thereof
JPH10258313A Manufacture of square steel tube
JPH10216839A Forming press device for producing square steel tube
JPH09192732A Square steel tube and its manufacture
JPH10113717A Production of square steel tube
JPH09122748A Square steel tube and manufacture of square steel tube
JPH106133A Circular saw
JPH09279241A Production of square steel tube
JPH09234632A Internal reinforcement member fitting method to steel tube
JPH09225683A Method for attaching internal diaphragm into steel tube
JPH09206825A Manufacture of steel tube
JPH09194944A Cooling floor device for square steel tube
JPH09103821A Manufacture of square steel tube
JPH0999324A Manufacture of square tube