Inventor · Ora, JP

Tsuyoshi Rakuma

15Patents
7h-index
38Co-inventors
62Inventor score

Filing activity: May 22, 1995 → Sep 30, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7156962B2 Electrolyzing electrode and production method therefor and electrolysis method using electrolyzing electrode and electrolysis solution producing device Chemistry; Metallurgy 34 Expired
USD419669S Propeller fan General 32 Expired
US5729994A Radiation type air conditioning system having dew-condensation preventing mechanism Mechanical Engineering; Lighting; Heating 14 Expired
US8152973B2 Cleaning device for heat exchanger Mechanical Engineering; Lighting; Heating 13 Active
US5588589A Air conditioner Physics 9 Expired
US7378005B2 Electrode for electrolysis and method of manufacturing electrode for electrolysis Emerging Cross-Sectional Technologies 8 Active
US7157012B2 Water treatment device and water treatment method using the same Chemistry; Metallurgy 7 Expired
US7896947B2 Air filtering apparatus Emerging Cross-Sectional Technologies 6 Active
US8366888B2 Water treatment apparatus Chemistry; Metallurgy 3 Active
US6984326B2 Nitrogen treating method and nitrogen treating system Emerging Cross-Sectional Technologies 3 Expired
US7018543B2 Waste water treating method and waste water treating apparatus Emerging Cross-Sectional Technologies 2 Expired
US7875108B2 Inactivating device for virus, bacteria, etc. and air conditioner using the same Emerging Cross-Sectional Technologies 1 Active
US7850769B2 Air filtering apparatus having foreign material removing mechanism Emerging Cross-Sectional Technologies 1 Active
US8397523B2 Electrolytic water generating device, air filtering system, air conditioning and filtering apparatus, and air conditioning and filtering system Emerging Cross-Sectional Technologies 1 Active
US7241373B2 Nitrogen treating method Emerging Cross-Sectional Technologies 1 Expired

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