Seiji Kachi

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of limiting communication access between wireless LAN terminals
- Patent number 7,729,324
- Issue date Jun 1, 2010
- NEC Corporation
- Seiji Kachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information transmission system and information transmission apparatus
- Patent number 6,275,952
- Issue date Aug 14, 2001
- NEC Corporation
- Seiji Kachi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Memory mounting judgment circuit
- Patent number 5,949,702
- Issue date Sep 7, 1999
- NEC Corporation
- Seiji Kachi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Start-stop synchronous communicating method capable of correcting i...
- Patent number 5,602,859
- Issue date Feb 11, 1997
- NEC Corporation
- Seiji Kachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data communication using single logical link for broadcast session
- Patent number 5,473,642
- Issue date Dec 5, 1995
- NEC Corporation
- Tomoki Osawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Point-to-multipoint communication network capable of retransmitting...
- Patent number 5,457,808
- Issue date Oct 10, 1995
- NEC Corporation
- Tomoki Osawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spread packet communication system
- Patent number 5,245,612
- Issue date Sep 14, 1993
- NEC Corporation
- Seiji Kachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method for preventing eavesdropping in wireless communication system
- Publication number 20060018480
- Publication date Jan 26, 2006
- NEC Corporation
- Seiji Kachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method for preventing eavesdropping in wireless communication system
- Publication number 20060002559
- Publication date Jan 5, 2006
- NEC Corporation
- Seiji Kachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of limiting communication access between wireless LAN terminals
- Publication number 20040100934
- Publication date May 27, 2004
- NEC Corporation
- Seiji Kachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Voice packet preferential control equipment and control method thereof
- Publication number 20030227912
- Publication date Dec 11, 2003
- NEC Corporation
- Seiji Kachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Wireless lan system, an access point apparatus and a managing metho...
- Publication number 20030131082
- Publication date Jul 10, 2003
- NEC Corporation
- Seiji Kachi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method, device, and program for controlling file access
- Publication number 20020184248
- Publication date Dec 5, 2002
- NEC Corporation
- Seiji Kachi
- G06 - COMPUTING CALCULATING COUNTING

Seiji Kachi

Person

Patents Grantslast 30 patents

Method of limiting communication access between wireless LAN terminals

Information transmission system and information transmission apparatus

Memory mounting judgment circuit

Start-stop synchronous communicating method capable of correcting i...

Data communication using single logical link for broadcast session

Point-to-multipoint communication network capable of retransmitting...

Spread packet communication system

Patents Applicationslast 30 patents

Method for preventing eavesdropping in wireless communication system

Method for preventing eavesdropping in wireless communication system

Method of limiting communication access between wireless LAN terminals

Voice packet preferential control equipment and control method thereof

Wireless lan system, an access point apparatus and a managing metho...

Method, device, and program for controlling file access