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OTAI IRON WORKS

Overview
  • Total Patents
    13
About

OTAI IRON WORKS has a total of 13 patent applications. Its first patent ever was published in 1987. It filed its patents most often in Japan. Its main competitors in its focus markets materials and metallurgy are PRZED ROBOT GORNICZYCH, NUGYP CORP and EGUCHI KOICHIRO.

Patent filings in countries

World map showing OTAI IRON WORKSs patent filings in countries
# Country Total Patents
#1 Japan 13

Patent filings per year

Chart showing OTAI IRON WORKSs patent filings per year from 1900 to 2020

Focus industries

Focus technologies

# Technology
#1 Building materials

Top inventors

# Name Total Patents
#1 Murase Seiichiro 3
#2 Ogo Muneya 2
#3 Hirano Tomiyasu 2
#4 Torii Yoshihisa 2
#5 Yamamoto Takeomi 2
#6 Oda Hiromichi 1
#7 Nakamura Takayuki 1
#8 Nakakohara Takeshi 1
#9 Ryuge Fumitaka 1
#10 Nitou Takehiro 1

Latest patents

Publication Filing date Title
JPH04193306A Recovery apparatus for floating oil or floating sludge
JPH04173216A Manufacture of dust cover
JPH03236460A Method and device for directly thermal-spraying valve lifter
JPH03217603A Wear resistance treatment method for direct striking type valve lifter
JPH03144108A Ball joint
JPH0396605A Valve timing lift quantity changing mechanism for valve action mechanism
JPH036319A Method and device for remelting and hardening of cast iron casting
JPH02233812A Automatic valve interval adjustable valve system
JPH02282440A Manufacture of grain dispersion strengthened composite material and its apparatus
JPH02115505A Automatic valve clearance regulation type valve system
JPH0270907A Direct hitting type valve lifter
JPH01130008A Valve lifter
JPS6422464A Production of metal base composite material forming product