Masayuki Ishida
53Patents
17h-index
45Co-inventors
84Inventor score
Filing activity: Aug 7, 1978 → Jun 21, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5973751A | Picture replacement system and picture replacement method | Electricity | 98 | Expired |
| US6385261B1 | Impulse noise detector and noise reduction system | Electricity | 67 | Expired |
| US5587978A | Record/reproduction apparatus for recording/reproducing multi-channel signals in different areas of a recording medium | Physics | 52 | Expired |
| US5748585A | Disc apparatus for selectively outputting data from a disc and a memory | Physics | 40 | Expired |
| US6795559B1 | Impulse noise reducer detecting impulse noise from an audio signal | Electricity | 31 | Expired |
| US6924700B2 | Class D amplifier | Electricity | 31 | Expired |
| US5680379A | Information reproduction apparatus having means to control maximum delay of information being read from memory | Physics | 29 | Expired |
| US6028900A | Digital broadcast receiver | Electricity | 28 | Expired |
| US6434205B1 | Digital broadcast receiver using weighted sum of channel impulse response data to adjust sampling window | Electricity | 27 | Expired |
| US5097364A | Magnetic recording and reproducing apparatus and method of recording and reproducing | Physics | 27 | Expired |
| US6438183B1 | Digital audio broadcast receiver and tuning method thereof | Electricity | 27 | Expired |
| US6690805B1 | Audio signal noise reduction system | Electricity | 26 | Expired |
| US5534935A | Processing apparatus for progressive scan generation of a television signal | Electricity | 24 | Expired |
| US6148045A | Digital broadcast receiver | Electricity | 20 | Expired |
| US9573380B2 | Liquid discharging apparatus | Performing Operations; Transporting | 20 | Active |
| US5852593A | Reproduction apparatus and method for successively playing back information from a plurality of recording media | Physics | 18 | Expired |
| US6516039B1 | Digital audio broadcast receiver acquiring frame synchronization quickly in the presence of noise | Electricity | 17 | Expired |
| US6067332A | Frequency searching method and digital audio broadcast receiver | Electricity | 16 | Expired |
| US4166139A | Method of producing instant cupped noodles | Human Necessities | 16 | Expired |
| US6341123B1 | Digital audio broadcasting receiver | Electricity | 14 | Expired |
| US6725027B1 | Multipath noise reducer, audio output circuit, and FM receiver | Electricity | 14 | Expired |
| US7057456B2 | Class D amplifier | Electricity | 13 | Expired |
| US5491590A | Rotary head recording and playback apparatus and method | Physics | 13 | Expired |
| US6665526B2 | Multipath noise reducer, audio output circuit, and FM receiver | Electricity | 13 | Expired |
| US6151369A | Digital broadcast receiver | Electricity | 13 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.