Shigeru Shimada
44Patents
19h-index
63Co-inventors
84Inventor score
Filing activity: Aug 27, 1980 → May 18, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6430498B1 | Portable terminal with the function of walking navigation | Electricity | 199 | Expired |
| US6462978B2 | Method of designing semiconductor integrated circuit device and semiconductor integrated circuit device | Electricity | 155 | Expired |
| US5448696A | Map information system capable of displaying layout information | Physics | 100 | Expired |
| US5278946A | Method of presenting multimedia data in a desired form by comparing and replacing a user template model with analogous portions of a system | Emerging Cross-Sectional Technologies | 88 | Expired |
| US6922630B2 | Portable terminal with the function of walking navigation | Electricity | 88 | Expired |
| US6748317B2 | Portable terminal with the function of walking navigation | Electricity | 84 | Expired |
| US5210868A | Database system and matching method between databases | Emerging Cross-Sectional Technologies | 84 | Expired |
| US4847788A | Graphic data processing method and system | Physics | 66 | Expired |
| US7248965B2 | Map information supply device for mobile units | Physics | 54 | Expired |
| US4407010A | Solid state image pickup device | Electricity | 52 | Expired |
| US6580999B2 | Portable terminal with the function of walking navigation | Electricity | 50 | Expired |
| US6295066A | Method for generating virtual three-dimensional space | Physics | 48 | Expired |
| US5467444A | Method of three-dimensional display of object-oriented figure information and system thereof | Physics | 47 | Expired |
| US4782037A | Process of fabricating a semiconductor insulated circuit device having a phosphosilicate glass insulating film | Electricity | 40 | Expired |
| US7392133B2 | Car navigation system | Physics | 35 | Expired |
| US6340825B1 | Method of designing semiconductor integrated circuit device and semiconductor integrated circuit device | Electricity | 28 | Expired |
| US5490095A | Method of extracting parameters for circuit simulation | Physics | 28 | Expired |
| US5978520A | Method of recognizing image data and apparatus therefor | Physics | 24 | Expired |
| US4428077A | Line recognition method | Physics | 23 | Expired |
| US6611943B2 | Method of designing semiconductor integrated circuit device and semiconductor integrated circuit device | Electricity | 15 | Expired |
| US4596747A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7522997B2 | Navigation apparatus | Physics | 11 | Active |
| US4560617A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4550434A | Line recognition | Physics | 11 | Expired |
| US7688228B2 | Map data delivering device, communication terminal, and map delivering method | Physics | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.