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HITACHI SHIPBUILDING ENG CO

Overview
  • Total Patents
    13,951
  • GoodIP Patent Rank
    1,287
  • Filing trend
    ⇩ 25.0%
About

HITACHI SHIPBUILDING ENG CO has a total of 13,951 patent applications. It decreased the IP activity by 25.0%. Its first patent ever was published in 1961. It filed its patents most often in Japan, WIPO (World Intellectual Property Organization) and United States. Its main competitors in its focus markets environmental technology, chemical engineering and transport are NE CHEMCAT CORP, AMMINEX EMISSIONS TECHNOLOGY AS and KOREA ENERGY RESEARCH INST.

Patent filings per year

Chart showing HITACHI SHIPBUILDING ENG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Inoue Tetsuya 459
#2 Maehata Hidehiko 455
#3 Sekiguchi Yoshitoshi 346
#4 Nishino Yoshinori 333
#5 Yamamoto Masahiko 311
#6 Daiku Hiroyuki 308
#7 Nakai Yasuo 240
#8 Yoshikawa Tadao 232
#9 Arai Hiroshige 215
#10 Sasaki Kunio 208

Latest patents

Publication Filing date Title
WO2021033598A1 Exhaust gas treatment device and exhaust gas treatment method
WO2021039383A1 Carbon nanotube structure and method for producing carbon nanotube structure
WO2021024998A1 Reactor
WO2021015006A1 Electric device unit
WO2021010314A1 Gasification system
WO2021005973A1 Fuel cell system
JP2020126085A Shock absorbing structure
JP2020126084A Cask manufacturing method
WO2020241758A1 Electron beam sterilization device
WO2020189394A1 Incinerator
WO2020170991A1 Method for manufacturing carbon nanotube device, carbon nanotube device, and carbon nanotube heater
JP2020128326A Hydrogen production method and hydrogen production device
JP2020128325A Hydrogen production method and hydrogen production device
JP2020128327A Hydrogen production method and hydrogen production apparatus
JP2020063666A Roller type water gate and roller rotation state determination method of roller type water gate
WO2020149313A1 Catalyst for exhaust gas purification use
WO2020149315A1 Catalyst for exhaust gas purification use, and method for producing catalyst for exhaust gas purification use
US2020207624A1 Method of producing carbon nanotube growth substrate
JP2020105065A Method for producing carbon nanotube growth substrate
JP2019207885A Metal air battery