Yoshihiro Kawauchi

Person

Hino-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication system, datacenter apparatus, and control method used...
- Patent number 9,172,581
- Issue date Oct 27, 2015
- Kabushiki Kaisha Toshiba
- Shingo Kimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and telephone exchange apparatus
- Patent number 8,238,331
- Issue date Aug 7, 2012
- Kabushiki Kaisha Toshiba
- Yoshihiro Kawauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Service providing method for electronic device, customer center, an...
- Patent number 6,876,732
- Issue date Apr 5, 2005
- Kabushiki Kaisha Toshiba
- Yoshimitsu Ebisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,633,631
- Issue date Oct 14, 2003
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,496,576
- Issue date Dec 17, 2002
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,456,705
- Issue date Sep 24, 2002
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,408,060
- Issue date Jun 18, 2002
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,377,671
- Issue date Apr 23, 2002
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital key telephone system and extension terminal device thereof
- Patent number 6,373,924
- Issue date Apr 16, 2002
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital button telephone system and extension terminal for the same
- Patent number 6,263,061
- Issue date Jul 17, 2001
- Kabushiki Kaish Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system capable of regulating volume of handset
- Patent number 5,388,152
- Issue date Feb 7, 1995
- Kabushiki Kaisha Toshiba
- Yoshihiro Kawauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound volume controlling apparatus
- Patent number 5,313,523
- Issue date May 17, 1994
- Kabushiki Kaisha Toshiba
- Yoshihiro Kawauchi
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SYSTEM, DATACENTER APPARATUS, AND CONTROL METHOD USED...
- Publication number 20130336312
- Publication date Dec 19, 2013
- Kabushiki Kaisha Toshiba
- Shingo KIMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM AND TELEPHONE EXCHANGE APPARATUS
- Publication number 20110158224
- Publication date Jun 30, 2011
- Yoshihiro Kawauchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Service providing method for electronic device, customer center, an...
- Publication number 20020168059
- Publication date Nov 14, 2002
- Kabushiki Kaisha Toshiba
- Yoshimitsu Ebisawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for changing function of electronic device, customer center,...
- Publication number 20020080931
- Publication date Jun 27, 2002
- Kabushiki Kaisha Toshiba
- Seiichi Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010028708
- Publication date Oct 11, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Exchange system, telephone exchange apparatus, and computer apparatus
- Publication number 20010028710
- Publication date Oct 11, 2001
- Kabushiki Kaisha Toshiba
- Yasumasa Sasaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010026611
- Publication date Oct 4, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010024493
- Publication date Sep 27, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010024494
- Publication date Sep 27, 2001
- Kabushiki Kaisha Toshiba
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital key telephone system and extension terminal device thereof
- Publication number 20010024492
- Publication date Sep 27, 2001
- Toshiaki Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yoshihiro Kawauchi

Person

Patents Grantslast 30 patents

Communication system, datacenter apparatus, and control method used...

Communication system and telephone exchange apparatus

Service providing method for electronic device, customer center, an...

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital button telephone system and extension terminal for the same

Key telephone system capable of regulating volume of handset

Sound volume controlling apparatus

Patents Applicationslast 30 patents

COMMUNICATION SYSTEM, DATACENTER APPARATUS, AND CONTROL METHOD USED...

COMMUNICATION SYSTEM AND TELEPHONE EXCHANGE APPARATUS

Service providing method for electronic device, customer center, an...

Method for changing function of electronic device, customer center,...

Digital key telephone system and extension terminal device thereof

Exchange system, telephone exchange apparatus, and computer apparatus

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof

Digital key telephone system and extension terminal device thereof