Yoshiyuki Akiba
25Patents
11h-index
22Co-inventors
75Inventor score
Filing activity: Oct 9, 1991 → Jan 16, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5247126A | Image reproducing apparatus, image information recording medium, and musical accompaniment playing apparatus | Electricity | 116 | Expired |
| US5194682A | Musical accompaniment playing apparatus | Physics | 81 | Expired |
| US6525761B2 | Apparatus and method for controlling a camera connected to a network | Electricity | 60 | Expired |
| US5235124A | Musical accompaniment playing apparatus having phoneme memory for chorus voices | Physics | 32 | Expired |
| US7219365B2 | Apparatus and method for controlling a camera connected to a network | Electricity | 29 | Expired |
| US5286907A | Apparatus for reproducing musical accompaniment information | Physics | 29 | Expired |
| US5506370A | Display controlling apparatus for music accompaniment playing system, and the music accompaniment playing system | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5494443A | Karaoke system and method of managing playing time of karaoke songs | Physics | 22 | Expired |
| US7684079B2 | Image forming apparatus and its control method | Electricity | 20 | Active |
| US5484291A | Apparatus and method of playing karaoke accompaniment | Physics | 18 | Expired |
| US5574243A | Melody controlling apparatus for music accompaniment playing system the music accompaniment playing system and melody controlling method for controlling and changing the tonality of the melody using the MIDI standard | Physics | 14 | Expired |
| US7619775B2 | Image forming system with density conversion based on image characteristics and amount of color shift | Physics | 11 | Active |
| US5848422A | Data management device in a karaoke communications system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5218580A | User management system for musical accompaniment playing apparatus | Physics | 11 | Expired |
| US7630100B2 | Color image forming apparatus | Electricity | 9 | Active |
| US7344217B2 | Image forming apparatus and its control method, and computer program and computer readable storage medium | Electricity | 7 | Active |
| US7598971B2 | Color image forming apparatus | Electricity | 5 | Active |
| US5679912A | Music production and control apparatus with pitch/tempo control | Physics | 5 | Expired |
| US7770994B2 | Image forming apparatus and its control method, and computer program and computer-readable storage medium | Electricity | 4 | Active |
| US9760815B2 | Image processing apparatus and an image processing method for performing a correction process of a tone value of a pixel for smoothing a jaggy | Electricity | 4 | Active |
| US8068259B2 | Color image forming apparatus | Electricity | 3 | Active |
| US5587547A | Musical sound producing device with pitch change circuit for changing only pitch variable data of pitch variable/invariable data | Physics | 3 | Expired |
| US8570594B2 | Image forming apparatus and its control method of correction amount based on selected rotational speed | Electricity | 1 | Active |
| US8964253B2 | Image processing using derived correction amount | Electricity | 0 | Active |
| US7298399B2 | Apparatus and method for controlling a camera connected to a network | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.