Masayuki Takada
85Patents
13h-index
120Co-inventors
87Inventor score
Filing activity: Mar 23, 1984 → Mar 8, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5414461A | Vehicle navigation apparatus providing simultaneous forward and rearward views | Electricity | 815 | Expired |
| US5406551A | Method and apparatus for digital signal transmission using orthogonal frequency division multiplexing | Electricity | 241 | Expired |
| US6073236A | Authentication method, communication method, and information processing apparatus | Electricity | 81 | Expired |
| US6169516A | Navigation system and memorizing medium for memorizing operation programs used for the same | Physics | 76 | Expired |
| US6058477A | System and method for authentication, and device and method for authentication | Physics | 49 | Expired |
| US7225341B2 | Memory access control system and management method using access control ticket | Physics | 39 | Expired |
| US5432800A | Methods and apparatuses for transmission and reception of information signals | Electricity | 33 | Expired |
| US8099772B2 | Information terminal apparatus, information processing apparatus and information communication system | Electricity | 19 | Active |
| US6629035B2 | Navigation system for vehicle | Physics | 19 | Expired |
| US8630956B2 | Obscuring image of person in picture when consent to share image is denied | Electricity | 18 | Active |
| US7262568B2 | Brushless DC motor coupled directly to AC source and electric apparatus using the same motor | Electricity | 16 | Expired |
| US6182171A | Information communication system and method applicable to in-vehicle networking architecture | Electricity | 16 | Expired |
| US5719873A | Frame-synchronous reproducing circuit | Electricity | 15 | Expired |
| US5897604A | Apparatus and method for navigating mobile body using bird's eye view on display screen | Physics | 13 | Expired |
| US7046810B2 | Data processing method and system of same portable device data processing apparatus and method of same and program | Electricity | 12 | Expired |
| US7150039B2 | Information processing system, portable electronic device, access apparatus for the portable electronic device, and method of using memory space | Physics | 12 | Expired |
| US5745506A | Error correcting decoder | Electricity | 11 | Expired |
| US6792541B1 | Data storage device using certification keys and method to perform access control using certification keys | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4641319A | Method for quantitative discharge of molten material | Chemistry; Metallurgy | 11 | Expired |
| US6330633A | Data processing method and apparatus | Physics | 10 | Expired |
| US6772065B2 | GPS receiver and receiving method | Electricity | 10 | Expired |
| US7003671B1 | Information processing device and information processing method | Physics | 9 | Expired |
| US9167037B2 | Server and method, non-transitory computer readable storage medium, and mobile client terminal and method | Electricity | 7 | Active |
| US5574735A | Error correction circuit which substitutes bits into data stream during periods of data loss | Electricity | 7 | Expired |
| US8602747B2 | Ventilation device and electrical equipment in which same is installed | Mechanical Engineering; Lighting; Heating | 7 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.