Kiyotaka Horikawa

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
TCP/IP communication system and communication channel releasing met...
- Patent number 6,965,583
- Issue date Nov 15, 2005
- NEC Corporation
- Kiyotaka Horikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selection method of a handoff system in a CDMA mobile communication...
- Patent number 6,708,030
- Issue date Mar 16, 2004
- NEC Corporation
- Kiyotaka Horikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station serial connection communication system in a mobile com...
- Patent number 6,643,524
- Issue date Nov 4, 2003
- NEC Corporation
- Nobuaki Ishii
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data communication using network DCE and modified channel associate...
- Patent number 5,995,494
- Issue date Nov 30, 1999
- NEC Corporation
- Kiyotaka Horikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus of stuff synchronization frame control
- Patent number 5,809,031
- Issue date Sep 15, 1998
- NEC Corporation
- Kiyotaka Horikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Terminal adapter, switching equipment ancillary device and data com...
- Patent number 5,722,085
- Issue date Feb 24, 1998
- NEC Corporation
- Kiyotaka Horikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TCP / IP communication system and communication channel releasing m...
- Publication number 20010053133
- Publication date Dec 20, 2001
- NEC Corporation
- Kiyotaka Horikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE