Masato Yamada
86Patents
15h-index
132Co-inventors
87Inventor score
Filing activity: Oct 27, 1982 → Mar 11, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4783772A | Wristwatch with pressure sensor | Physics | 141 | Expired |
| US4932789A | Radiation clinical thermometer | Physics | 85 | Expired |
| US5024533A | Radiation clinical thermometer | Physics | 56 | Expired |
| USD364346S | Wrapping for audio cassette tape box | General | 52 | Expired |
| US5291253A | Corona deterioration and moisture compensation for transfer unit in an electrophotographic apparatus | Physics | 39 | Expired |
| USRE34507E | Radiation clinical thermometer | General | 36 | Expired |
| US5232284A | Radiation clinical thermometer | Physics | 36 | Expired |
| US6552990B1 | Optical head for two different disk thicknesses with a light beam diameter control device | Physics | 33 | Expired |
| US6297484A | Magnetic heater | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US5362683A | Method of making epitaxial wafers | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5077588A | Multiple wavelength light emitting device | Electricity | 22 | Expired |
| US6995401B2 | Light emitting device and method of fabricating the same | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4504326A | Method for the production of cold rolled steel sheet having super deep drawability | Chemistry; Metallurgy | 17 | Expired |
| US5323027A | Light emitting device with double heterostructure | Electricity | 16 | Expired |
| US6787383B2 | Light-emitting device and method for manufacturing the same | Electricity | 15 | Expired |
| US5148224A | Thin layer coated endless belt of an electrophotographic printing machine | Physics | 15 | Expired |
| US6181668A | Optical pickup device and wavelength selective diffraction grating | Physics | 15 | Expired |
| US7041529B2 | Light-emitting device and method of fabricating the same | Electricity | 13 | Expired |
| US8000181B2 | Beam irradiation device and laser radar | Physics | 10 | Active |
| USD330681S | Radiation clinical thermometer | General | 9 | Expired |
| US7145180B2 | Method of fabricating a light emitting device, and light emitting device | Electricity | 8 | Expired |
| US5532051A | Steel sheet excellent in coating sharpness, defect-formation resistance and workability | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6777257B2 | Method of fabricating a light emitting device and light emitting device | Electricity | 7 | Expired |
| US6574182B1 | Optical pickup compatible with a plurality of types of optical disks having different thicknesses | Physics | 7 | Expired |
| US7407046B2 | Adaptive control of externally controlled fan drive | Mechanical Engineering; Lighting; Heating | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.