Chiyo Akamatsu

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Receiver set, information apparatus and receiving system
- Patent number 9,661,363
- Issue date May 23, 2017
- Hitachi Maxell, Ltd.
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of using AV devices and AV device system
- Patent number 9,240,897
- Issue date Jan 19, 2016
- Hitachi Maxell, Ltd.
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver set, information apparatus and receiving system
- Patent number 8,856,819
- Issue date Oct 7, 2014
- Hitachi Maxell, Ltd.
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of using AV devices and AV device system
- Patent number 8,326,129
- Issue date Dec 4, 2012
- Hitachi, Ltd.
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver set, information apparatus and receiving system
- Patent number 8,233,504
- Issue date Jul 31, 2012
- Hitachi, Ltd.
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of using AV devices and AV device system
- Patent number 7,333,717
- Issue date Feb 19, 2008
- Hitachi, Ltd.
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver set, information apparatus and receiving system
- Patent number 7,257,132
- Issue date Aug 14, 2007
- Hitachi, Ltd.
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of using AV devices and AV device system
- Patent number 7,224,886
- Issue date May 29, 2007
- Hitachi, Ltd.
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information device, information device system control method, and i...
- Patent number 7,136,910
- Issue date Nov 14, 2006
- Hitachi, Ltd.
- Yoshikatsu Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information device, information device system control method, and i...
- Patent number 6,728,765
- Issue date Apr 27, 2004
- Hitachi, Ltd.
- Yoshikatsu Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information device, information device system control method, and i...
- Patent number 6,691,150
- Issue date Feb 10, 2004
- Hitachi, Ltd.
- Yoshikatsu Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information device, information device system control method, and i...
- Patent number 6,487,589
- Issue date Nov 26, 2002
- Hitachi, Ltd.
- Yoshikatsu Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information device information device system control method, and in...
- Patent number 6,131,111
- Issue date Oct 10, 2000
- Hitachi, Ltd.
- Yoshikatsu Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information reporting system
- Patent number 5,867,110
- Issue date Feb 2, 1999
- Hitachi, Ltd.
- Akira Naito
- G08 - SIGNALLING
Information Patent Grant
Electronic mail system and method
- Patent number 5,867,281
- Issue date Feb 2, 1999
- Hitachi, Ltd.
- Takahiko Nozoe
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
RECEIVER SET, INFORMATION APPARATUS AND RECEIVING SYSTEM
- Publication number 20140380351
- Publication date Dec 25, 2014
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF USING AV DEVICES AND AV DEVICE SYSTEM
- Publication number 20130163964
- Publication date Jun 27, 2013
- Chiyo AKAMATSU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVER SET, INFORMATION APPARATUS AND RECEIVING SYSTEM
- Publication number 20120180096
- Publication date Jul 12, 2012
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD OF USING AV DEVICES AND AV DEVICE SYSTEM
- Publication number 20080131081
- Publication date Jun 5, 2008
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiver set, information apparatus and receiving system
- Publication number 20070263662
- Publication date Nov 15, 2007
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information device, information device system control method, and i...
- Publication number 20040172461
- Publication date Sep 2, 2004
- Yoshikatsu Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of using AV devices and AV device system
- Publication number 20030106071
- Publication date Jun 5, 2003
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of using AV devices and AV device system
- Publication number 20020044764
- Publication date Apr 18, 2002
- Chiyo Akamatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information device, information device system control method, and i...
- Publication number 20010020246
- Publication date Sep 6, 2001
- Yoshikatsu Yoshino
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Chiyo Akamatsu

Person

Patents Grantslast 30 patents

Receiver set, information apparatus and receiving system

Method of using AV devices and AV device system

Receiver set, information apparatus and receiving system

Method of using AV devices and AV device system

Receiver set, information apparatus and receiving system

Method of using AV devices and AV device system

Receiver set, information apparatus and receiving system

Method of using AV devices and AV device system

Information device, information device system control method, and i...

Information device, information device system control method, and i...

Information device, information device system control method, and i...

Information device, information device system control method, and i...

Information device information device system control method, and in...

Information reporting system

Electronic mail system and method

Patents Applicationslast 30 patents

RECEIVER SET, INFORMATION APPARATUS AND RECEIVING SYSTEM

METHOD OF USING AV DEVICES AND AV DEVICE SYSTEM

RECEIVER SET, INFORMATION APPARATUS AND RECEIVING SYSTEM

METHOD OF USING AV DEVICES AND AV DEVICE SYSTEM

Receiver set, information apparatus and receiving system

Information device, information device system control method, and i...

Method of using AV devices and AV device system

Method of using AV devices and AV device system

Information device, information device system control method, and i...