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OKA YOSHIAKI

Overview
  • Total Patents
    15
About

OKA YOSHIAKI has a total of 15 patent applications. Its first patent ever was published in 1998. It filed its patents most often in Japan. Its main competitors in its focus markets environmental technology are URAL SKIJ EHLEKTROKHIMICHESKIJ KOM AOOT, V N PROIZV OB TSIKLON and SKIJ METALLICHESKIJ ZD.

Patent filings in countries

World map showing OKA YOSHIAKIs patent filings in countries
# Country Total Patents
#1 Japan 15

Patent filings per year

Chart showing OKA YOSHIAKIs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Oka Yoshiaki 15
#2 Koshizuka Seiichi 5
#3 Yamaji Tetsushi 2
#4 Kamei Kazuchika 1
#5 Nakatsuka Toru 1

Latest patents

Publication Filing date Title
JP2005221491A Supercritical water-cooled nuclear reactor
JP2004024818A Opener for postal matter (sealed letter)
JP2004016808A Automatic relaxing paper fan
JP2004016782A Automatic washing brush of tiling of bathroom and bathtub
JP2004000392A Tennis ball collecting machine
JP2003311100A Indoor dryer for washed clothes
JP2003294878A Fuel assembly
JP2003063801A Method for manufacturing hydrogen with atomic reactor
JP2002336375A Auxiliary apparatus for preventing economy class syndrome (pulmonary arterial thrombosis embolism)
JP2002148569A Sun shade for protecting flank of face from ultra violet rays included in sunlight
JP2002024558A Analysis and advice for control and management of personal property using internet
JP2001265948A Selling of individual handmade goods by using internet
JP2001091689A Starting method for supercritical pressure light water- cooled reactor
JP2001004774A Supercritical pressure light water cooled fast reactor
JP2000056081A Reactivity compensating method for reactor by feed water temperature control