Takeaki Nakamura
75Patents
42h-index
236Co-inventors
91Inventor score
Filing activity: Mar 14, 1983 → Sep 30, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6666875B1 | Surgical apparatus permitting recharge of battery-driven surgical instrument in noncontact state | Emerging Cross-Sectional Technologies | 1,938 | Expired |
| US5372124A | Treating instrument | Human Necessities | 1,504 | Expired |
| US5681260A | Guiding apparatus for guiding an insertable body within an inspected object | Human Necessities | 441 | Expired |
| US5529580A | Surgical resecting tool | Human Necessities | 370 | Expired |
| US7837699B2 | Ultrasonic treatment apparatus | Human Necessities | 339 | Active |
| US7682366B2 | Calculus manipulation apparatus | Human Necessities | 296 | Active |
| US6480762B1 | Medical apparatus supporting system | Emerging Cross-Sectional Technologies | 269 | Expired |
| US5624380A | Multi-degree of freedom manipulator | Human Necessities | 260 | Expired |
| US4756605A | Liquid crystal spectacles | Physics | 229 | Expired |
| US7833219B2 | Operation apparatus controller and surgery system | Human Necessities | 212 | Active |
| US4867138A | Rigid electronic endoscope | Human Necessities | 211 | Expired |
| US7449004B2 | Ultrasonic treatment device and ultrasonic treatment system | Human Necessities | 191 | Expired |
| US4918521A | Solid state imaging apparatus | Electricity | 188 | Expired |
| US4919520A | Liquid crystal eyeglass | Physics | 183 | Expired |
| US6383183B1 | High frequency treatment apparatus | Human Necessities | 170 | Expired |
| US7455641B2 | Ultrasonic treatment apparatus | Human Necessities | 167 | Expired |
| US4961424A | Ultrasonic treatment device | Human Necessities | 163 | Expired |
| US4732156A | Ultrasonic endoscope | Emerging Cross-Sectional Technologies | 153 | Expired |
| US4795248A | Liquid crystal eyeglass | Physics | 149 | Expired |
| US6623423B2 | Surgical operation system | Human Necessities | 130 | Expired |
| US4905082A | Rigid video endoscope having a detachable imaging unit | Human Necessities | 122 | Expired |
| US6902529B2 | Endoscope apparatus | Electricity | 120 | Expired |
| US4960106A | Endoscope apparatus | Physics | 118 | Expired |
| US7063692B2 | Surgical operation system | Human Necessities | 92 | Expired |
| US7772786B2 | Battery-powered light source device for endoscope | Human Necessities | 87 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.