Inventor · Chiba, JP

Minoru Iwata

30Patents
12h-index
52Co-inventors
84Inventor score

Filing activity: Oct 4, 1976 → Dec 5, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5490319A Thermotropic liquid crystal polymer composition and insulator Emerging Cross-Sectional Technologies 68 Expired
US4437811A Submersible pump with alternate pump operation control means Mechanical Engineering; Lighting; Heating 43 Expired
US6223092A Automatic manufacturing evaluation method and system Emerging Cross-Sectional Technologies 39 Expired
US4465050A Device for atomizing the fuel for an internal-combustion engine Emerging Cross-Sectional Technologies 39 Expired
US4519370A Fuel injector electronically controlled engine Mechanical Engineering; Lighting; Heating 38 Expired
US4434766A Air assist device of fuel injection type internal combustion engine Mechanical Engineering; Lighting; Heating 37 Expired
US5459190A Thermotropic liquid crystal polymer composition and insulator Chemistry; Metallurgy 32 Expired
US5717598A Automatic manufacturability evaluation method and system Emerging Cross-Sectional Technologies 31 Expired
US4657189A Electromagnetic fuel injection valve for an internal combustion engine having a plurality of intake valves Emerging Cross-Sectional Technologies 23 Expired
US5709241A Butterfly valve Emerging Cross-Sectional Technologies 21 Expired
US5832723A Engine exhaust pipe Mechanical Engineering; Lighting; Heating 17 Expired
US5041106A Needle device for infusion Human Necessities 13 Expired
US4409193A Process for preparing cubic boron nitride Chemistry; Metallurgy 12 Expired
US4749894A Submersible motor using a water-tight wire as the primary winding Emerging Cross-Sectional Technologies 9 Expired
US4271667A Apparatus for controlling the amount of secondary air fed into an internal combustion engine Mechanical Engineering; Lighting; Heating 9 Expired
US4672249A Submersible electric motor having floating bearings Electricity 8 Expired
US4519354A Fuel supply system in internal combustion engine Emerging Cross-Sectional Technologies 8 Expired
US5579639A Double walled exhaust pipe for an engine Mechanical Engineering; Lighting; Heating 7 Expired
US4287164A Process for producing cubic system boron nitride Performing Operations; Transporting 6 Expired
US5171046A Assembly composed of hard member and soft tube for medical use Mechanical Engineering; Lighting; Heating 5 Expired
US4636672A Submersible motor Electricity 4 Expired
US4224911A Apparatus for controlling the amount of secondary air fed into an internal combustion engine Emerging Cross-Sectional Technologies 4 Expired
US5486742A Easily started DC motor apparatus Electricity 3 Expired
US8703739B2 Intravascular indwelling catheter lock solution containing weak acid and container containing the same Human Necessities 2 Active
US4098689A Method of treating waste water with activated sludge Emerging Cross-Sectional Technologies 2 Expired

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