Takeshi Nakamura
443Patents
27h-index
520Co-inventors
93Inventor score
Filing activity: Jun 3, 1974 → Jun 14, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4836652A | Liquid crystal shutter array having microlenses corresponding to the pixel electrodes | Physics | 143 | Expired |
| US6237330A | Exhaust purification device for internal combustion engine | Emerging Cross-Sectional Technologies | 116 | Expired |
| US6246775A | Method and appartus for superposing a digital watermark and method and apparatus for detecting a digital watermark | Electricity | 114 | Expired |
| US4593160A | Piezoelectric speaker | Electricity | 81 | Expired |
| US7405484B2 | Semiconductor device containing stacked semiconductor chips and manufacturing method thereof | Emerging Cross-Sectional Technologies | 79 | Expired |
| US5992320A | Transfer sheet, and pattern-forming method | Electricity | 58 | Expired |
| US6207268A | Transfer sheet, and pattern-forming method | Emerging Cross-Sectional Technologies | 58 | Expired |
| US6932566B2 | Gas turbine shroud structure | Emerging Cross-Sectional Technologies | 53 | Expired |
| US4790632A | Liquid crystal device having the microlenses in correspondence with the pixel electrodes | Physics | 52 | Expired |
| US6389152B2 | Method and apparatus for superposing a digital watermark and method and apparatus for detecting a digital watermark | Electricity | 49 | Expired |
| US5154224A | Refractory brick for a glass fusion furnace | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4427480A | Method and apparatus for providing the inner surface of a pipe line with a tubular lining material | Emerging Cross-Sectional Technologies | 42 | Expired |
| US5349857A | Vibratory gyroscope | Physics | 37 | Expired |
| US5073047A | Optical semiconductor module | Physics | 35 | Expired |
| US4419696A | Elongate thin-film reader | Electricity | 34 | Expired |
| US4302694A | Composite piezoelectric tuning fork with eccentricly located electrodes | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5220833A | Detecting circuit for a vibrating gyroscope | Physics | 33 | Expired |
| US5150506A | Method of assembling exterior parts of a motorcar onto a motorcar body | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4788157A | Method of fabricating a thin film transistor | Emerging Cross-Sectional Technologies | 32 | Expired |
| US9528695B2 | Mirror unit and light source for illumination | Electricity | 31 | Active |
| US4842379A | Image recording apparatus utilizing an ECB mode liquid crystal | Physics | 31 | Expired |
| US5455789A | Nonvolatile semiconductor memory with selectively driven word lines | Physics | 31 | Expired |
| US5117148A | Vibrator | Electricity | 31 | Expired |
| US4815045A | Seabed surveying apparatus for superimposed mapping of topographic and contour-line data | Physics | 30 | Expired |
| US5847418A | Semiconductor photo detector containing crystalline amplification layer | Emerging Cross-Sectional Technologies | 28 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.