Inventor · Tokyo, JP

Yujiro Okihara

22Patents
3h-index
21Co-inventors
59Inventor score

Filing activity: May 28, 2002 → Oct 29, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US9713244B2 Power-supply apparatus Emerging Cross-Sectional Technologies 17 Active
US7382087B2 Ozone generator system and ozone generating method Chemistry; Metallurgy 11 Active
US8460435B2 Apparatus for producing high-concentration ozone gas and method of producing high-concentration ozone gas Performing Operations; Transporting 4 Active
US8409520B2 Ozone concentrator Emerging Cross-Sectional Technologies 3 Active
US8500874B2 Apparatus for concentrating and diluting specific gas and method for concentrating and diluting specific gas Emerging Cross-Sectional Technologies 3 Active
US7108836B2 Ozonizer Chemistry; Metallurgy 3 Expired
US9186647B2 Ozone gas generation unit and ozone gas supply system Chemistry; Metallurgy 3 Active
US7198765B2 Ozonizer Chemistry; Metallurgy 2 Expired
US6905659B2 Ozonizer Chemistry; Metallurgy 2 Expired
US7744825B2 N-phase ozone generator Chemistry; Metallurgy 2 Active
US9848484B2 Power-supply apparatus Emerging Cross-Sectional Technologies 2 Active
US6869575B2 Ozonizer Chemistry; Metallurgy 1 Expired
US8608832B2 Apparatus for concentrating and diluting specific gas and method for concentrating and diluting specific gas Emerging Cross-Sectional Technologies 1 Active
US7771797B2 Photocatalyst material producing method and photocatalyst material producing apparatus Chemistry; Metallurgy 1 Active
US6866829B2 Ozonizer Chemistry; Metallurgy 1 Expired
US8778274B2 Ozone gas supply system Chemistry; Metallurgy 0 Active
US9615440B2 Power supply apparatus outputting alternating-current voltage to plasma generator Emerging Cross-Sectional Technologies 0 Active
USRE40746E1 Ozonizer General 0 Expired
US9750121B2 Power supply apparatus Emerging Cross-Sectional Technologies 0 Active
US10384939B2 Ozone generation apparatus Chemistry; Metallurgy 0 Active
US9056300B2 Ozone gas generation unit and ozone gas supply system Chemistry; Metallurgy 0 Active
US9114987B2 Ozone generation system Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.