Nobumasa Seiyama
7Patents
5h-index
17Co-inventors
60Inventor score
Filing activity: Sep 22, 1992 → May 23, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5305420A | Method and apparatus for hearing assistance with speech speed control function | Electricity | 49 | Expired |
| US6205420A | Method and device for instantly changing the speed of a speech | Physics | 22 | Expired |
| US6360198B1 | Audio processing method, audio processing apparatus, and recording reproduction apparatus capable of outputting voice having regular pitch regardless of reproduction speed | Physics | 12 | Expired |
| US6236970A | Adaptive speech rate conversion without extension of input data duration, using speech interval detection | Physics | 8 | Expired |
| US6374213B1 | Adaptive speech rate conversion without extension of input data duration, using speech interval detection | Physics | 7 | Expired |
| US9129609B2 | Speech speed conversion factor determining device, speech speed conversion device, program, and storage medium | Physics | 1 | Active |
| US11404041B2 | Audio guidance generation device, audio guidance generation method, and broadcasting system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.