Koji Kobayashi
174Patents
22h-index
261Co-inventors
93Inventor score
Filing activity: Nov 15, 1979 → Nov 17, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4954959A | Navigation system | Physics | 131 | Expired |
| US5852984A | Underwater vehicle and method of positioning same | Emerging Cross-Sectional Technologies | 80 | Expired |
| US7844913B2 | Information processing apparatus and method, and program | Physics | 63 | Expired |
| US5990577A | Hub for local area network with backup power supply system | Electricity | 56 | Expired |
| US5430509A | Scanning laser ophthalmoscope | Human Necessities | 52 | Expired |
| US6067367A | Moving direction measuring device and tracking apparatus | Electricity | 50 | Expired |
| US4827172A | Dc motor with rotor slots closely spaced | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5353073A | Three-dimensional shape measurement system | Human Necessities | 45 | Expired |
| US5915034A | Pattern collation apparatus based on spatial frequency characteristics | Physics | 45 | Expired |
| US5936764A | Laser scanning optical microscope | Electricity | 39 | Expired |
| US5691839A | Laser scanning optical microscope | Electricity | 39 | Expired |
| US7265779B2 | Electronic camera, information obtaining system and print order system | Electricity | 39 | Expired |
| US6195460A | Pattern extraction apparatus | Physics | 38 | Expired |
| US5596186A | High sensitivity silicon avalanche photodiode | Electricity | 36 | Expired |
| US6471691B1 | Ophthalmic treatment apparatus | Human Necessities | 34 | Expired |
| US4298085A | Automatic four-wheel drive transfer case | Mechanical Engineering; Lighting; Heating | 34 | Expired |
| US4781453A | Ophthalmic examination apparatus | Human Necessities | 30 | Expired |
| US4596735A | Magnetic recording medium and method for making | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4833528A | Color video projecting apparatus using acousto-optical deflector | Electricity | 29 | Expired |
| US5163178A | Semiconductor device having enhanced impurity concentration profile | Electricity | 28 | Expired |
| US5677051A | Magnetic recording medium having a specified plasma polymerized hydrogen containing carbon film and lubricant | Emerging Cross-Sectional Technologies | 28 | Expired |
| US4900144A | Three-dimensional shape measurement apparatus | Human Necessities | 23 | Expired |
| US4548333A | Container with easy open type closure | Performing Operations; Transporting | 22 | Expired |
| US4758471A | Magnetic recording medium | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5442545A | System for automatically managing information about electronic equipment having printed-circuit boards | Electricity | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.