Oka; Kazuyuki

Patent Applications and Registrations

Patent applications and USPTO patent grants for Oka; Kazuyuki.The latest application filed is for "mobile communication network system".

Company Profile

0.4.7

Oka; Kazuyuki - Kawasaki JP
Oka; Kazuyuki - Yokohama JP
Oka, Kazuyuki - Yokohama-shi JP
Oka, Kazuyuki - Kanagawa JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Mobile communication network system Grant 7,830,788 - Oka November 9, 2	2010-11-09
Mobile communication network system for managing the location of a mobile IP terminal Grant 7,436,762 - Oka , et al. October 14, 2	2008-10-14
Communication method Grant 7,292,565 - Ono , et al. November 6, 2	2007-11-06
Mobile communication network system App 20070147392 - Oka; Kazuyuki	2007-06-28
Router and communication network system Grant 7,224,695 - Ono , et al. May 29, 2	2007-05-29
Mobile communication network system App 20040049532 - Oka, Kazuyuki ; et al.	2004-03-11
Mobile communication system, router, mobile node, and mobile communication method App 20040004967 - Nakatsugawa, Keiichi ; et al.	2004-01-08
Handover method in mobile communication system and router device used in mobile communication system App 20030225892 - Takusagawa, Hideaki ; et al.	2003-12-04
Router and communication network system App 20030053453 - Ono, Hideaki ; et al.	2003-03-20
Packet transfer method for hierarchical packet network, hierarchical packet communication system, and gate node, edge node and mobile terminal for use with hierarchical packet communication system, as well as handover method and routing node for packet network App 20030026241 - Ono, Hideaki ; et al.	2003-02-06
Mobile node supporting router App 20020186679 - Nakatsugawa, Keiichi ; et al.	2002-12-12

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