Toshimitsu HAYASHI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Communication system, management server, server, concentrator, and...
- Patent number 9,571,470
- Issue date Feb 14, 2017
- Hitachi, Ltd.
- Nobuyuki Muranaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone having authentication function and telephone system
- Patent number 7,734,919
- Issue date Jun 8, 2010
- Hitachi, Ltd.
- Jun Maeoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data gateway and method for relaying data
- Patent number 6,618,368
- Issue date Sep 9, 2003
- Hitachi, Ltd.
- Keiko Tanigawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Conference display control method and apparatus for an electronic c...
- Patent number 5,995,096
- Issue date Nov 30, 1999
- Hitachi, Ltd.
- Chiho Kitahara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Collaborative work support system
- Patent number 5,872,924
- Issue date Feb 16, 1999
- Hitachi, Ltd.
- Yoshiyuki Nakayama
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication network system in which an unregistered terminal bein...
- Patent number 5,864,670
- Issue date Jan 26, 1999
- Hitachi, Ltd.
- Toshimitsu Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Computer-based conferencing system with local operation function
- Patent number 5,841,977
- Issue date Nov 24, 1998
- Hitachi, Ltd.
- Takeshi Ishizaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Display control method and apparatus for an electronic conference
- Patent number 5,745,711
- Issue date Apr 28, 1998
- Hitachi, Ltd.
- Chiho Kitahara
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION SYSTEM, MANAGEMENT SERVER, SERVER, CONCENTRATOR, AND...
- Publication number 20160065543
- Publication date Mar 3, 2016
- Hitachi, Ltd
- Nobuyuki MURANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication terminal device
- Publication number 20050218211
- Publication date Oct 6, 2005
- Hitachi, Ltd.
- Yosuke Saso
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Telephone having authentication function and telephone system
- Publication number 20050216741
- Publication date Sep 29, 2005
- Jun Maeoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data distribution device and method
- Publication number 20020056131
- Publication date May 9, 2002
- Toshimitsu Hayashi
- G06 - COMPUTING CALCULATING COUNTING

Toshimitsu HAYASHI

Person

Patents Grantslast 30 patents

Communication system, management server, server, concentrator, and...

Telephone having authentication function and telephone system

Data gateway and method for relaying data

Conference display control method and apparatus for an electronic c...

Collaborative work support system

Communication network system in which an unregistered terminal bein...

Computer-based conferencing system with local operation function

Display control method and apparatus for an electronic conference

Patents Applicationslast 30 patents

COMMUNICATION SYSTEM, MANAGEMENT SERVER, SERVER, CONCENTRATOR, AND...

Communication terminal device

Telephone having authentication function and telephone system

Data distribution device and method