Inventor
Kohji Ishida
Inventor
Tokyo, JP
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Dprimary
H03DDemodulation or transference of modulation from one carrier to another38%
H04BTransmission27%
H04HBroadcast communication27%
H03FAmplifiers4%
H03HImpedance networks, e.g. resonant circuits4%
PatentTitleYear
5,253,299'Noise reduction apparatus in an FM stereo tuner'19935,067,157'Noise reduction apparatus in an FM stereo tuner'19914,633,496'Low-pass filter circuit'19864,590,615'Multipath distortion reducing circuit'19864,539,697'FM Stereo demodulating circuit'19854,523,329'FM receiver'19854,510,452'Circuit having square-law transfer characteristic'19854,502,148'FM Stereo demodulator for demodulating stereo signals directly from an FM intermediate frequency signal'19854,497,063'FM stereo demodulator'19854,489,430'FM Stereo demodulation circuit'19844,399,324'Multiplex demodulation circuit'19834,362,906'FM Receiver'19824,315,221'Switching circuit'19824,280,101'Stereophonic signal demodulation circuit'19814,278,944'Chopper type switching circuit'19814,274,057'MPX Stereophonic demodulation'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1993Patents assigned to PIONEER ELECTRONIC CORP (16)· patent assignee history
1981–1993Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER ELECTRONIC CORP | 16 | 1981–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 16 | 1981–1993 |