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OOTSU FUMIO

Overview
  • Total Patents
    22
About

OOTSU FUMIO has a total of 22 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Japan, United States and Germany. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and mechanical elements are NEGRAO JOSE ARIMATHEA, NESHEIM ARVID and HANASHIRO TAKEO.

Patent filings in countries

World map showing OOTSU FUMIOs patent filings in countries

Patent filings per year

Chart showing OOTSU FUMIOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Ootsu Fumio 18

Latest patents

Publication Filing date Title
JPS59211768A Fixed pressure control device of oceanic tidal energy
JPS59211769A Converting device of tidal energy
JPS5610897A Underwater storaging and mooring arrangement for compressed gas
JPS55160173A Oceanic energy converter with bubble nozzle
JPS54164020A Underwater storage apparatus for compressed gas
JPS54137537A Marine energy conversion device
JPS5348142A Tide energy avaling device
US4060344A Transducer for conversion of sea water-energy
US4071305A Transducer for conversion of tidal current energy
JPS5292044A Tide energy availing device
JPS5290749A Wave energy availing device