Yoshinori Yamaguchi
81Patents
15h-index
125Co-inventors
87Inventor score
Filing activity: Mar 24, 1986 → Jan 3, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7848009B2 | Image display medium and image display device | Physics | 68 | Active |
| US4703344A | Illumination system of the digital control type | Physics | 44 | Expired |
| US6221009A | Dispersed-type testing measuring system and dispersed-type care system | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5313055A | Two-dimensional image read/display device | Electricity | 33 | Expired |
| US5754289A | Raman scattered light measuring apparatus | Physics | 30 | Expired |
| US6091844A | Image processing device and method for identifying an input image and copier including same | Physics | 29 | Expired |
| US5140739A | Spindle unit and tool clamping device therein for machine tools | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5464990A | Voltage non-linear device and liquid crystal display device incorporating same | Physics | 24 | Expired |
| US6735315B1 | Electric artificial larynx | Human Necessities | 23 | Expired |
| US5321802A | Information processing apparatus | Physics | 23 | Expired |
| US5750410A | Method of and apparatus for immune analysis | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5870188A | Measuring method and measuring apparatus by light scattering | Physics | 21 | Expired |
| US6388754B1 | Shape measuring system and method | Physics | 20 | Expired |
| US4998966A | Small watercraft | Performing Operations; Transporting | 18 | Expired |
| US6612986B2 | Dispersed-type testing/measuring system and dispersed-type health care system | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4742739A | NC lathe | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7078720B2 | Range finder for measuring three-dimensional geometry of object and method thereof | Physics | 13 | Expired |
| US7236256B2 | Range finder and method | Physics | 13 | Expired |
| US8289110B2 | Electromagnetic switching device | Electricity | 12 | Active |
| US5423643A | Tool clamping/unclamping device | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6720119B2 | Method of fabricating high-dielectric color filter | Physics | 9 | Expired |
| US5617205A | Spectral measuring method and spectral measuring apparatus | Physics | 9 | Expired |
| US5923790A | Method and apparatus for detecting vertical direction of document | Physics | 9 | Expired |
| US6736501B2 | Platen and printer using the same | Performing Operations; Transporting | 8 | Expired |
| US5305397A | Image communication apparatus | Electricity | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.