Koji Takahashi
543Patents
37h-index
587Co-inventors
93Inventor score
Filing activity: Nov 30, 1973 → Jul 29, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6529522B1 | Communication apparatus with digital interface | Electricity | 271 | Expired |
| US5966495A | Recording and reproducing apparatus | Electricity | 258 | Expired |
| US5126851A | Video system using two different kinds of recording media | Electricity | 193 | Expired |
| US5784521A | Signal recording system | Physics | 150 | Expired |
| US5604537A | Imaging apparatus having an automatic focusing means | Electricity | 132 | Expired |
| US6278486A | Information signal controlling system | Emerging Cross-Sectional Technologies | 115 | Expired |
| US5796429A | Apparatus for recording a video signal together with information from an external storage device | Electricity | 109 | Expired |
| US5107293A | Automatic image stabilization device | Physics | 107 | Expired |
| US5502486A | Image sensing apparatus which can detect optical characteristics of an image to control title insertion | Electricity | 102 | Expired |
| US5621459A | Image sensing apparatus which can detect optical characteristics of an image to control title insertion | Electricity | 102 | Expired |
| US5563661A | Image processing apparatus | Emerging Cross-Sectional Technologies | 97 | Expired |
| US6458868B1 | Organophosphorus compounds for dental polymerizable compositions | Chemistry; Metallurgy | 90 | Expired |
| US5132807A | Recording apparatus for recording main information with additional information | Emerging Cross-Sectional Technologies | 88 | Expired |
| US6453120B1 | Image processing apparatus with recording and reproducing modes for hierarchies of hierarchically encoded video | Emerging Cross-Sectional Technologies | 83 | Expired |
| US6377309B1 | Image processing apparatus and method for reproducing at least an image from a digital data sequence | Electricity | 71 | Expired |
| US5414457A | Multi-media communication apparatus | Emerging Cross-Sectional Technologies | 66 | Expired |
| US6642586B2 | Semiconductor memory capable of being driven at low voltage and its manufacture method | Electricity | 65 | Expired |
| US4956725A | Image signal reproducing apparatus | Physics | 63 | Expired |
| US5729290A | Movement detection device and focus detection apparatus using such device | Electricity | 62 | Expired |
| US4716719A | Method of and apparatus for controlling fuel of gas turbine | Mechanical Engineering; Lighting; Heating | 61 | Expired |
| US6330909A | Vehicle air conditioning system | Emerging Cross-Sectional Technologies | 60 | Expired |
| US6205805A | Motor vehicle dehumidifier with drying agent and drying agent regenerative control | Mechanical Engineering; Lighting; Heating | 57 | Expired |
| US6674538B2 | Image reproduction system for reproducing a still image from a video tape | Electricity | 56 | Expired |
| US5960151A | Recording and reproducing apparatus which prohibits copying of an externally supplied signal and allows unlimited copying of an internally generated signal | Electricity | 56 | Expired |
| US5666158A | Image pick-up apparatus having vibration correcting circuitry | Electricity | 53 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.