Kazumi Doi
15Patents
3h-index
17Co-inventors
57Inventor score
Filing activity: Apr 29, 1974 → Oct 9, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7779149B2 | Compound contents delivery method and delivery system | Electricity | 7 | Active |
| US4004865A | Pump with yieldable radial partitions and rotatable side plates | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US10096259B2 | Video playback device and method | Electricity | 4 | Active |
| US8261162B2 | Decoding device, decoding method, and media data delivery system | Electricity | 3 | Active |
| US4334842A | Rotary pump with radial yieldable partitions and rotatable side plate | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7702996B2 | Apparatus and method for converting multimedia contents | Electricity | 1 | Active |
| US8433678B2 | Method and device for editing composite content file and reproduction apparatus | Electricity | 1 | Active |
| US10504382B2 | Video playback device and method | Electricity | 1 | Active |
| US8090682B2 | Method and device for editing composite content file and reproduction apparatus | Electricity | 1 | Active |
| US7681115B2 | Text editing and reproduction apparatus, content editing and reproduction apparatus, and text editing and reproduction method | Physics | 0 | Active |
| US11373053B2 | Code information reading device, method, and computer-readable storage medium | Physics | 0 | Active |
| US9905268B2 | Drawing processing device and method | Electricity | 0 | Active |
| US10573198B2 | Video playback device and method | Electricity | 0 | Active |
| US11151342B2 | Code information reading apparatus and method for calculating a detection frequency of a code in a plurality of images | Physics | 0 | Active |
| US9288473B2 | Creating apparatus and creating method | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.