Masahiko Yamada
134Patents
17h-index
143Co-inventors
89Inventor score
Filing activity: Jun 1, 1977 → Nov 12, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5761334A | Apparatus for computer aided diagnosis of medical images having abnormal patterns | Physics | 71 | Expired |
| US7644938B2 | In-wheel suspension | Performing Operations; Transporting | 61 | Active |
| US6754398B1 | Method of and system for image processing and recording medium for carrying out the method | Electricity | 37 | Expired |
| US5991457A | Multi-resolution transforming, image processing and dynamic range compressing method and apparatus | Physics | 37 | Expired |
| US7257185B1 | Fuel assembly and thimble screw of the same | Emerging Cross-Sectional Technologies | 32 | Expired |
| US7278267B2 | Steam turbine plant | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5443711A | Oxygen-sensor element | Physics | 30 | Expired |
| US6072913A | Image processing method and apparatus | Physics | 27 | Expired |
| US5849165A | Oxygen sensor for preventing silicon poisoning | Physics | 26 | Expired |
| US6771793B1 | Image processing method and apparatus | Physics | 23 | Expired |
| US5953461A | Image emphasis processing method and apparatus | Physics | 23 | Expired |
| US5160598A | Oxygen sensor for air-fuel ratio control having a protective layer including an oxygen storage material | Physics | 23 | Expired |
| US8184156B2 | Image displaying system and apparatus for displaying images by changing the displayed images based on direction or direction changes of a displaying unit | Electricity | 22 | Active |
| US5431017A | Combuster for gas turbine system having a heat exchanging structure catalyst | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| USD302695S | Component for a vehicular loudspeaker | General | 18 | Expired |
| US6014474A | Image processing method and apparatus | Physics | 18 | Expired |
| US6089999A | Arrangement of pulley cylinder in a belt-type continuously variable transmission | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US5439419A | Pulley device for continuously variable transmission | Mechanical Engineering; Lighting; Heating | 17 | Expired |
| US6169823A | Image processing method and apparatus | Physics | 17 | Expired |
| US5937111A | Image processing method and apparatus | Physics | 16 | Expired |
| US5152623A | Printer accommodating two types of printing sheets | Performing Operations; Transporting | 16 | Expired |
| US7699326B2 | In-wheel suspension | Performing Operations; Transporting | 16 | Active |
| US4584086A | Device for detecting concentration of oxygen in exhaust gas | Physics | 15 | Expired |
| US5941787A | Arrangement of pulley working fluid passage in a belt-type continuously variable transmission | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US7386158B2 | Apparatus for suppressing noise by adapting filter characteristics to input image signal based on characteristics of input image signal | Physics | 14 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.