Inventor
Toshihito Ichikawa
Inventor
Saitama, JP
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Bprimary
H04BTransmission24%
H03GControl of amplification14%
H03JTuning resonant circuits14%
H03LAutomatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses14%
H03DDemodulation or transference of modulation from one carrier to another10%
H04HBroadcast communication10%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests10%
H04SStereophonic systems5%
PatentTitleYear
6,006,078'Receiver with improved lock-up time and high tuning stability'19995,745,845'Receiver with automatic receiving-station switching function'19985,731,741'Receiver frequency synthesizer-tuner providing high speed tuning'19985,390,342'Receiver using selective diversity receiving system'19955,263,184'Noise reducing circuit for a receiver using a fuzzy controller'19935,220,687'Radio receiver having switch for switching between a wide filter and a narrow filter'19935,201,062'Noise reducing circuit'19934,776,040'Superheterodyne receiver'19884,759,079'Random noise detecting system and method'19884,691,356'AM/FM synchronizing circuit'19874,648,114'AM stereo demodulator'19874,633,497'Separation control circuit'19864,368,355'AM Stereophonic signal receiver with electric field strength detection'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1999Patents assigned to PIONEER ELECTRONIC CORP (13)· patent assignee history
1983–1999Based in Kawagoe, JP· patent location history
1986–1998Based in Saitama, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER ELECTRONIC CORP | 13 | 1983–1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 9 | 1986–1998 |
| Kawagoe, JP | 4 | 1983–1999 |