Hitoshi Otomo
20Patents
7h-index
24Co-inventors
65Inventor score
Filing activity: Dec 11, 1998 → Mar 29, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6577811B1 | Recorded contents protection scheme for digital recording/reproducing system | Electricity | 33 | Expired |
| US6532335B2 | System of sharing objects having a plurality of contents | Electricity | 29 | Expired |
| US6580671B1 | Digital audio recording medium and reproducing apparatus thereof | Physics | 29 | Expired |
| US6577812B1 | Digital recording system using variable recording rate | Electricity | 27 | Expired |
| US6567371B1 | Audio data structure, recording media, and processor | Physics | 27 | Expired |
| US6748160B1 | System of sharing objects having a plurality of contents | Electricity | 11 | Expired |
| US6640045B2 | System of sharing objects having a plurality of contents | Electricity | 10 | Expired |
| US8292734B2 | Game device, method of controlling a game device, and information storage medium | Human Necessities | 6 | Active |
| US7289723B2 | Digital recording system using variable recording rate | Electricity | 6 | Expired |
| US8827812B2 | Game device, game device control method, program, and information storage medium | Human Necessities | 1 | Active |
| US7263271B2 | System of sharing objects having a plurality of contents | Electricity | 1 | Expired |
| US8962521B2 | Coating for humidity indicator, method for production of the coating, and humidity indicator using the coating | Physics | 1 | Active |
| US6724979B2 | System of sharing objects having a plurality of contents | Electricity | 1 | Expired |
| US7095704B2 | Audio data structure, recording medium thereof, and processing apparatus thereof | Physics | 1 | Expired |
| US7269105B2 | Digital audio recording medium and reproducing apparatus thereof | Physics | 0 | Expired |
| US7050370B2 | Digital audio recording medium and reproducing apparatus thereof | Physics | 0 | Expired |
| US7883504B2 | Device for percutaneous absorption preparation | Human Necessities | 0 | Active |
| US8444463B2 | Game device, method for controlling game device, program, and information storage medium | Human Necessities | 0 | Active |
| US9566519B2 | Game system, game device control method, program, and information storage medium | Human Necessities | 0 | Active |
| US8827786B2 | Game device, method of controlling a game device, and information storage medium | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.