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NEC OCEAN ENG LTD

Overview
  • Total Patents
    17
About

NEC OCEAN ENG LTD has a total of 17 patent applications. Its first patent ever was published in 1997. It filed its patents most often in Japan. Its main competitors in its focus markets telecommunications, measurement and environmental technology are MITSUI BUSSAN PLANT KK, HORIZON EXPLORATION LTD and PGS EM LTD.

Patent filings in countries

World map showing NEC OCEAN ENG LTDs patent filings in countries
# Country Total Patents
#1 Japan 17

Patent filings per year

Chart showing NEC OCEAN ENG LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Yonezaki Yoshitaka 3
#2 Anraku Kentaro 2
#3 Katayama Takeshi 2
#4 Hitai Yasunori 2
#5 Sunaga Yukio 2
#6 Sasaki Kiyoshi 2
#7 Kawaguchi Katsuyoshi 2
#8 Aoyanagi Masaru 2
#9 Kogure Yoshiichi 2
#10 Sakuma Atsushi 1

Latest patents

Publication Filing date Title
JP2003224497A Undersea branching apparatus
JP2002040152A Seabed observation system
JP2002009697A Seabed observation system
JP2001337173A Sea bottom observation system
JP2001309553A Feed method and branch feed apparatus for submarine observation system
JP2001272475A Self-floating type submarine earthquake observing apparatus
JP2001264056A Submarine tsunami meter system, submarine tsunami meter device and method therefor
JP2001166063A Submarine observation system and submarine branching device
JP2001112136A Burying equipment for subaqueous cable
JP2000292572A Synchronous time observation system
JP2000207423A Real time data transmission system and backup data transmission method
JP2000205898A Self-refloating sea bottom observation device
JPH11115890A Submarine observation device
JPH11121086A Underwater cable collecting structural body
JPH11108766A Turnover preventing tool for seabottom thermometer and seabottom temperature measuring instrument
JPH11103300A Time stamp system for time synchronizing system observation system
JPH1198593A Hydrophone