Keiko Takahara

Person

Kawasaki-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Voice communication system and voice communication method
- Patent number 7,920,550
- Issue date Apr 5, 2011
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice communication system and voice communication method
- Patent number 7,808,976
- Issue date Oct 5, 2010
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice communication system and voice communication method
- Patent number 7,756,117
- Issue date Jul 13, 2010
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice communication system and voice communication method
- Patent number 7,738,447
- Issue date Jun 15, 2010
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice communication system and voice communication method
- Patent number 7,724,729
- Issue date May 25, 2010
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice communication system and voice communication method
- Patent number 7,724,730
- Issue date May 25, 2010
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice communication system and voice communication method
- Patent number 7,502,363
- Issue date Mar 10, 2009
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice communication system and voice communication method
- Patent number 7,167,467
- Issue date Jan 23, 2007
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice communication system and voice communication method
- Patent number 6,240,085
- Issue date May 29, 2001
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication method and communication system
- Patent number 6,078,583
- Issue date Jun 20, 2000
- Hitachi, Ltd.
- Keiko Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system using electronic mail
- Patent number 5,905,495
- Issue date May 18, 1999
- Hitachi, Ltd.
- Noriyuki Tanaka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image voice synchronized multimedia mail system and method thereof
- Patent number 5,856,825
- Issue date Jan 5, 1999
- Hitachi, Ltd.
- Kazuma Yumoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication system distributing packets according to commands acq...
- Patent number 5,832,217
- Issue date Nov 3, 1998
- Hitachi, Ltd.
- Keiko Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice communication system and voice communication method
- Patent number 5,604,737
- Issue date Feb 18, 1997
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video communication method having refresh function of coding sequen...
- Patent number 5,528,284
- Issue date Jun 18, 1996
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and appartus for controlling multimedia information communic...
- Patent number 5,477,542
- Issue date Dec 19, 1995
- Hitachi, Ltd.
- Keiko Takahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
VOICE COMMUNICATION SYSTEM AND VOICE COMMUNICATION METHOD
- Publication number 20110013622
- Publication date Jan 20, 2011
- Hitachi, Ltd
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice communication system and voice communication method
- Publication number 20080049727
- Publication date Feb 28, 2008
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice communication system and voice communication method
- Publication number 20080049726
- Publication date Feb 28, 2008
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice communication system and voice communication method
- Publication number 20080049728
- Publication date Feb 28, 2008
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice communication system and voice communication method
- Publication number 20080049729
- Publication date Feb 28, 2008
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOICE COMMUNICATION SYSTEM AND VOICE COMMUNICATION METHOD
- Publication number 20080049730
- Publication date Feb 28, 2008
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice communication system and voice communication method
- Publication number 20070171897
- Publication date Jul 26, 2007
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice communication system and voice communication method
- Publication number 20060098636
- Publication date May 11, 2006
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice communication system and voice communication method
- Publication number 20010043593
- Publication date Nov 22, 2001
- Hitachi, Ltd.
- Naoko Iwami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Keiko Takahara

Person

Patents Grantslast 30 patents

Voice communication system and voice communication method

Voice communication system and voice communication method

Voice communication system and voice communication method

Voice communication system and voice communication method

Voice communication system and voice communication method

Voice communication system and voice communication method

Voice communication system and voice communication method

Voice communication system and voice communication method

Voice communication system and voice communication method

Communication method and communication system

Communication system using electronic mail

Image voice synchronized multimedia mail system and method thereof

Communication system distributing packets according to commands acq...

Voice communication system and voice communication method

Video communication method having refresh function of coding sequen...

Method and appartus for controlling multimedia information communic...

Patents Applicationslast 30 patents

VOICE COMMUNICATION SYSTEM AND VOICE COMMUNICATION METHOD

Voice communication system and voice communication method

Voice communication system and voice communication method

Voice communication system and voice communication method

Voice communication system and voice communication method

VOICE COMMUNICATION SYSTEM AND VOICE COMMUNICATION METHOD

Voice communication system and voice communication method

Voice communication system and voice communication method

Voice communication system and voice communication method