Tohru Takagi
23Patents
8h-index
34Co-inventors
75Inventor score
Filing activity: Mar 14, 1975 → 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 |
| US4144155A | Radiation process for producing a reactive aqueous emulsion | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6205420A | Method and device for instantly changing the speed of a speech | Physics | 22 | Expired |
| USD318829S | Truck | General | 16 | 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 |
| US4036136A | Corona producing a planographic printing sheet | Emerging Cross-Sectional Technologies | 12 | Expired |
| USD318828S | Automotive vehicle | General | 10 | Expired |
| USD323479S | Tonneau-cover for automobile | General | 9 | Expired |
| US6496156B1 | Antenna feed having centerline conductor | Electricity | 8 | Expired |
| USD318827S | Automotive vehicle | General | 8 | Expired |
| US6236970A | Adaptive speech rate conversion without extension of input data duration, using speech interval detection | Physics | 8 | Expired |
| US4387011A | Resin composition for aqueous paint | Chemistry; Metallurgy | 7 | Expired |
| US6374213B1 | Adaptive speech rate conversion without extension of input data duration, using speech interval detection | Physics | 7 | Expired |
| US5973654A | Antenna feed having electrical conductors differentially affecting aperture electrical field | Electricity | 7 | Expired |
| US4139437A | Process for preparing a thermosetting aqueous polymer emulsion using radiation | Chemistry; Metallurgy | 6 | Expired |
| US4332657A | Emulsion composition for use in baking paint | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6643695B1 | Maintenance management system for monitoring a plurality of computers interconnected by a network | Electricity | 5 | Expired |
| USD318823S | Automotive vehicle | General | 5 | Expired |
| US4134810A | Process for preparing a heat-curable polymer emulsion using high energy radiation | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4129487A | Process for improving the properties of an aqueous emulsion type coating composition | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9129609B2 | Speech speed conversion factor determining device, speech speed conversion device, program, and storage medium | Physics | 1 | Active |
| US4393165A | Polymer compositions | Chemistry; Metallurgy | 1 | Expired |
| 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.