Toshihito Ichikawa

Person

Kawagoe, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Receiver with improved lock-up time and high tuning stability
- Patent number 6,006,078
- Issue date Dec 21, 1999
- Pioneer Electronic Corporation
- Yuji Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Receiver with automatic receiving-station switching function
- Patent number 5,745,845
- Issue date Apr 28, 1998
- Pioneer Electronic Corporation
- Shoji Suenaga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver frequency synthesizer-tuner providing high speed tuning
- Patent number 5,731,741
- Issue date Mar 24, 1998
- Pioneer Electronic Corporation
- Yuji Yamamoto
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Receiver using selective diversity receiving system
- Patent number 5,390,342
- Issue date Feb 14, 1995
- Pioneer Electronic Corporation
- Masami Takayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reducing circuit for a receiver using a fuzzy controller
- Patent number 5,263,184
- Issue date Nov 16, 1993
- Pioneer Electronic Corporation
- Tetsuo Nakamura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Radio receiver having switch for switching between a wide filter an...
- Patent number 5,220,687
- Issue date Jun 15, 1993
- Pioneer Electronic Corporation
- Toshihito Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reducing circuit
- Patent number 5,201,062
- Issue date Apr 6, 1993
- Pioneer Electronic Corporation
- Tetsuo Nakamura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Superheterodyne receiver
- Patent number 4,776,040
- Issue date Oct 4, 1988
- Pioneer Electronic Corporation
- Toshihito Ichikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Random noise detecting system and method
- Patent number 4,759,079
- Issue date Jul 19, 1988
- Pioneer Electronic Corporation
- Toshihito Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM/FM synchronizing circuit
- Patent number 4,691,356
- Issue date Sep 1, 1987
- Pioneer Electronic Corporation
- Toshihito Ichikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
AM stereo demodulator
- Patent number 4,648,114
- Issue date Mar 3, 1987
- Pioneer Electronic Corporation
- Toshihito Ichikawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Separation control circuit
- Patent number 4,633,497
- Issue date Dec 30, 1986
- Pioneer Electronic Corporation
- Toshihito Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
AM Stereophonic signal receiver with electric field strength detection
- Patent number 4,368,355
- Issue date Jan 11, 1983
- Pioneer Electronic Corporation
- Toshihito Ichikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Toshihito Ichikawa

Person

Patents Grantslast 30 patents

Receiver with improved lock-up time and high tuning stability

Receiver with automatic receiving-station switching function

Receiver frequency synthesizer-tuner providing high speed tuning

Receiver using selective diversity receiving system

Noise reducing circuit for a receiver using a fuzzy controller

Radio receiver having switch for switching between a wide filter an...

Noise reducing circuit

Superheterodyne receiver

Random noise detecting system and method

AM/FM synchronizing circuit

AM stereo demodulator

Separation control circuit

AM Stereophonic signal receiver with electric field strength detection