Inventor · Saitama, JP

Hideo Hirose

25Patents
11h-index
26Co-inventors
75Inventor score

Filing activity: May 5, 1981 → May 4, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US4782239A Optical position measuring apparatus Physics 198 Expired
USD336890S Geared motor General 87 Expired
US5832052A X-ray microscope Physics 52 Expired
US6940205B1 Permanent magnet synchronous motor Electricity 24 Expired
US5151928A Method and apparatus for generating X rays Emerging Cross-Sectional Technologies 21 Expired
US5045696A Photoelectron microscope Electricity 21 Expired
US5640284A Optical reflector, illumination optical system, light source system and illumination optical apparatus Physics 20 Expired
US5615047A Illumination apparatus and exposure apparatus using it Mechanical Engineering; Lighting; Heating 19 Expired
US4386828A Telecentric illumination system Physics 17 Expired
US4511223A Telecentric variable power illumination system Physics 11 Expired
US7411329B2 Permanent magnet synchronous motor including permanent magnet with tapered outer edges and rotor core with opening Electricity 11 Active
US4526443A Telecentric illumination system Physics 10 Expired
US5680429A X-ray generating apparatus and X-ray microscope Physics 9 Expired
US5594587A Illumination device with allowable error amount of telecentricity on the surface of the object to be illuminated and exposure apparatus using the same Physics 8 Expired
US7233092B2 Permanent magnet synchronous motor Electricity 6 Expired
US7408279B2 Permanent magnet synchronous motor including permanent magnet with tapered outer edges Electricity 5 Active
US4386833A Epi-illumination type projection device Physics 5 Expired
US6157701A X-ray generating apparatus and X-ray microscope Physics 4 Expired
US7307725B2 Surface inspection apparatus, polarization illuminating device and light-receiving device Physics 4 Active
US7012723B2 Optical scanning device and color image forming apparatus Electricity 3 Expired
US4753523A Low magnification projection objective lens Physics 3 Expired
US7149018B2 Optical scanning device and image forming apparatus provided with the same Electricity 2 Expired
US4426136A Projection lens with long working distance Physics 1 Expired
US7268928B2 Photo scanner and image forming device Electricity 0 Expired
US7123395B2 Optical scanner and image formation apparatus including the optical scanner Performing Operations; Transporting 0 Expired

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