Shuichi Yoshikawa

Person

Nara, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Signal reproducing device for reproducting voice signals with stora...
- Patent number 5,634,085
- Issue date May 27, 1997
- Sharp Kabushiki Kaisha
- Shuichi Yoshikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
DTMF signal judging apparatus
- Patent number 5,592,544
- Issue date Jan 7, 1997
- Sharp Kabushiki Kaisha
- Yasumoto Murata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DTMF signal judging apparatus
- Patent number 5,588,052
- Issue date Dec 24, 1996
- Sharp Kabushiki Kaisha
- Yasumoto Murata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice reproducing device
- Patent number 5,504,835
- Issue date Apr 2, 1996
- Sharp Kabushiki Kaisha
- Shuichi Yoshikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
DTMF signal receiving apparatus equipped with a DTMF signal judging...
- Patent number 5,428,680
- Issue date Jun 27, 1995
- Sharp Kabushiki Kaisha
- Yasumoto Murata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic sound gain control device and a sound recording/reproduci...
- Patent number 5,404,315
- Issue date Apr 4, 1995
- Sharp Kabushiki Kaisha
- Takahiko Nakano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Signal encoding device
- Patent number 5,361,323
- Issue date Nov 1, 1994
- Sharp Kabushiki Kaisha
- Yasumoto Murata
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multi-mode modem for automatically switching between data transmit...
- Patent number 5,353,338
- Issue date Oct 4, 1994
- Sharp Kabushiki Kaisha
- Takahiko Nakano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IC card with built-in voice synthesizing function
- Patent number 5,325,463
- Issue date Jun 28, 1994
- Sharp Kabushiki Kaisha
- Yasumoto Murata
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice recording and reproducing apparatus having perpendicular carr...
- Patent number 5,265,126
- Issue date Nov 23, 1993
- Sharp Kabushiki Kaisha
- Shuichi Yoshikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pseudo-random noise signal generator
- Patent number 5,243,303
- Issue date Sep 7, 1993
- Sharp Kabushiki Kaishi
- Yasumoto Murata
- G06 - COMPUTING CALCULATING COUNTING

Shuichi Yoshikawa

Person

Patents Grantslast 30 patents

Signal reproducing device for reproducting voice signals with stora...

DTMF signal judging apparatus

DTMF signal judging apparatus

Voice reproducing device

DTMF signal receiving apparatus equipped with a DTMF signal judging...

Automatic sound gain control device and a sound recording/reproduci...

Signal encoding device

Multi-mode modem for automatically switching between data transmit...

IC card with built-in voice synthesizing function

Voice recording and reproducing apparatus having perpendicular carr...

Pseudo-random noise signal generator