Minolta Co., Ltd.
2,837Patents
69Active
2,837Granted
48Portfolio score
Filing activity: May 25, 1976 → May 26, 2011 · 69 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5959423A | Mobile work robot system | Human Necessities | 505 | Expired |
| US5652489A | Mobile robot control system | Physics | 318 | Expired |
| US5815880A | Cleaning robot | Physics | 273 | Expired |
| US6430471B1 | Control system for controlling a mobile robot via communications line | Electricity | 270 | Expired |
| US6226067A | Liquid crystal device having spacers and manufacturing method thereof | Physics | 259 | Expired |
| US5613261A | Cleaner | Physics | 251 | Expired |
| US6574536B1 | Moving apparatus for efficiently moving on floor with obstacle | Physics | 239 | Expired |
| US6829496B2 | Blood component measurement apparatus | Human Necessities | 236 | Expired |
| US6142252A | Autonomous vehicle that runs while recognizing work area configuration, and method of selecting route | Human Necessities | 232 | Expired |
| US5991951A | Running and working robot not susceptible to damage at a coupling unit between running unit and working unit | Human Necessities | 214 | Expired |
| US6119057A | Autonomous vehicle with an easily set work area and easily switched mode | Physics | 189 | Expired |
| US5720077A | Running robot carrying out prescribed work using working member and method of working using the same | Human Necessities | 184 | Expired |
| US6038501A | Autonomous vehicle capable of traveling/stopping in parallel to wall and controlling method thereof | Physics | 183 | Expired |
| US6724974B2 | Image data management system | Electricity | 178 | Expired |
| US6701071B2 | Lens barrel with built-in blur correction mechanism | Physics | 178 | Expired |
| US5998953A | Control apparatus of mobile that applies fluid on floor | Physics | 178 | Expired |
| US5714119A | Sterilizer | Human Necessities | 176 | Expired |
| US6806903B1 | Image capturing apparatus having a &ggr;-characteristic corrector and/or image geometric distortion correction | Electricity | 175 | Expired |
| US5696675A | Route making system for a mobile robot | Physics | 167 | Expired |
| US5903124A | Apparatus for positioning moving body allowing precise positioning of moving body | Physics | 165 | Expired |
| US4446871A | Optical analyzer for measuring a construction ratio between components in the living tissue | Human Necessities | 156 | Expired |
| US5636402A | Apparatus spreading fluid on floor while moving | Human Necessities | 154 | Expired |
| US6514218B2 | Posture detecting device and breathing function measuring device | Human Necessities | 152 | Expired |
| US5735959A | Apparatus spreading fluid on floor while moving | Human Necessities | 151 | Expired |
| US5875034A | Camera system having a recordable medium positioned between photographing and reproducing portions | Emerging Cross-Sectional Technologies | 144 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.