Hiroaki Takahashi
335Patents
20h-index
432Co-inventors
93Inventor score
Filing activity: Aug 16, 1974 → May 24, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5726702A | Television signal receiving apparatus incorporating an information retrieving and reproducing apparatus | Electricity | 130 | Expired |
| US6052695A | Accurate completion of transaction in cooperative type distributed system and recovery procedure for same | Emerging Cross-Sectional Technologies | 118 | Expired |
| US6552254B2 | Method and system for supplying contents via communication network | Physics | 99 | Expired |
| US6570080B1 | Method and system for supplying contents via communication network | Physics | 82 | Expired |
| US6898759B1 | System of generating motion picture responsive to music | Physics | 72 | Expired |
| US7113983B1 | System and method for downloading content files using a communication network and for automatically reproducing the content files in a predefined sequence | Electricity | 60 | Expired |
| US6884936B2 | Electromagnetic shield film, electromagnetic shield unit and display | Electricity | 50 | Expired |
| US5699360A | Method of and system for distributing digital audio image data | Electricity | 45 | Expired |
| US3960751A | Electro-optical display element | Chemistry; Metallurgy | 45 | Expired |
| US6270619A | Treatment device, laser annealing device, manufacturing apparatus, and manufacturing apparatus for flat display device | Electricity | 36 | Expired |
| US4825299A | Magnetic recording/reproducing apparatus utilizing phase comparator | Electricity | 31 | Expired |
| US6156797A | Peritoneal dialysis solution | Human Necessities | 31 | Expired |
| US8077696B2 | Wireless communication apparatus and wireless communication method | Electricity | 28 | Active |
| US7272629B2 | Portal server and information supply method for supplying music content of multiple versions | Electricity | 25 | Expired |
| US4027950A | Electro-optical display device | Chemistry; Metallurgy | 25 | Expired |
| US6835884B2 | System, method, and storage media storing a computer program for assisting in composing music with musical template data | Physics | 23 | Expired |
| US4685004A | Rotary head type PCM recording and reproduction method and system | Physics | 23 | Expired |
| US4628373A | Rotating head type magnetic record/reproduce apparatus | Physics | 23 | Expired |
| US8452240B2 | Radio communication device, radio communication system, and radio communication method | Electricity | 22 | Active |
| US5699106A | Interactive program selecting system | Electricity | 21 | Expired |
| US7335090B2 | Substrate processing apparatus and substrate handling method | Emerging Cross-Sectional Technologies | 20 | Active |
| US6743558B2 | Carrier for electrophotographic developer | Physics | 20 | Expired |
| US4867662A | Slip casting mold | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6056470A | Side-push type of container | Human Necessities | 19 | Expired |
| US4937686A | Method and apparatus for PCM recording and reproducing an audio signal having an asynchronous relation between the sampling frequency for the audio signal and the rotation frequency of a rotary head scanner | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.