Yoshiaki Adachi

Person

Hitachiohta-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Space-time communication system
- Patent number 7,945,614
- Issue date May 17, 2011
- Hitachi, Ltd.
- Tomoichi Ebata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system and communication band control method thereof
- Patent number 6,975,648
- Issue date Dec 13, 2005
- Hitachi, Ltd.
- Hisao Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio network system
- Patent number 6,934,516
- Issue date Aug 23, 2005
- Hitachi, Ltd.
- Tomoyuki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system and communication band control method thereof
- Patent number 6,798,787
- Issue date Sep 28, 2004
- Hitachi, Ltd.
- Hisao Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of controlling quality of communication among a plurality of...
- Patent number 6,693,533
- Issue date Feb 17, 2004
- Hitachi, Ltd.
- Tomoichi Ebata
- G08 - SIGNALLING
Information Patent Grant
Radio network system
- Patent number 6,625,421
- Issue date Sep 23, 2003
- Hitachi, Ltd.
- Tomoyuki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Surveillance system and network system
- Patent number 6,501,377
- Issue date Dec 31, 2002
- Hitachi, Ltd.
- Tomoichi Ebata
- G08 - SIGNALLING
Information Patent Grant
Surveillance system and network system
- Patent number 6,292,098
- Issue date Sep 18, 2001
- Hitachi, Ltd.
- Tomoichi Ebata
- G08 - SIGNALLING
Information Patent Grant
Network interface apparatus
- Patent number 5,748,893
- Issue date May 5, 1998
- Hitachi, Ltd.
- Tetsuhiko Hirata
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing system and method using time-varying databas...
- Patent number 5,740,424
- Issue date Apr 14, 1998
- Hitachi, Ltd.
- Hiroshi Wataya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communication system and communication method
- Patent number 5,699,521
- Issue date Dec 16, 1997
- Hitachi, Ltd.
- Tamio Iizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Network system and communication band control method thereof
- Publication number 20040174889
- Publication date Sep 9, 2004
- Hisao Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio network system
- Publication number 20030194972
- Publication date Oct 16, 2003
- Hitachi, Ltd
- Tomoyuki Harada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Surveillance system and network system
- Publication number 20030095042
- Publication date May 22, 2003
- Tomoichi Ebata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Surveillance system and network system
- Publication number 20020067254
- Publication date Jun 6, 2002
- Tomoichi Ebata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network system and communication band control method thereof
- Publication number 20020012359
- Publication date Jan 31, 2002
- Hisao Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Yoshiaki Adachi

Person

Patents Grantslast 30 patents

Space-time communication system

Network system and communication band control method thereof

Radio network system

Network system and communication band control method thereof

Method of controlling quality of communication among a plurality of...

Radio network system

Surveillance system and network system

Surveillance system and network system

Network interface apparatus

Information processing system and method using time-varying databas...

Communication system and communication method

Patents Applicationslast 30 patents

Network system and communication band control method thereof

Radio network system

Surveillance system and network system

Surveillance system and network system

Network system and communication band control method thereof