IPR Details
Hitachi, Ltd.'s Statement about IPR related to RFC 3666

Submitted: March 23, 2010

Note: Updates to IPR disclosures must only be made by authorized representatives of the original submitters. Updates will automatically be forwarded to the current Patent Holder's Contact and to the Submitter of the original IPR disclosure.

Updated by

This IPR disclosure has been updated by IPR disclosure ID #1414, "Hitachi, Ltd.'s Statement about IPR related to RFC 3666".

'I'. Patent Holder/Applicant ("Patent Holder")

Holder legal name
Hitachi, Ltd.

'II'. Patent Holder's Contact for License Application

Holder contact name
Hisashi Kumazaki
Holder contact email
hisashi.kumazaki.ek@hitachi.com
Holder contact info

General Manager
IP Licensing Department II, Intellectual Property Group
Marunouchi Center Building, 6-1 Marunouchi 1-chome
Chiyoda-ku, Tokyo 100-8220 Japan
T: +81-3-5223-4532
F: +81-3-3214-3146

'III'. Contact Information for the IETF Participant Whose Personal Belief Triggered this Disclosure

Name
Mr. Yoshitaka Iwata
Email
yoshitaka.iwata.bs@hitachi.com
Other info

Planning Manager
Business Planning Dapartment
Hitachi Systemplaza Shinkawasaki,890
Kashimada, Saiwai, Kawasaki, Kanagawa,212-8567 Japan
T: +81-44-549-1794
F: +81-44-549-1793

'IV'. IETF Document or Other Contribution to Which this IPR Disclosure Relates

RFC
RFC3666 ("Session Initiation Protocol (SIP) Public Switched Telephone Network (PSTN) Call Flows")

'V'. Disclosure of Patent Information i.e., patents or patent applications required to be disclosed by Section 6 of RFC 3979

A. For granted patents or published pending patent applications, please provide the following information:

Patent, Serial, Publication, Registration, or Application/File number(s)

JP3732155,
JP3650091,
JP3993206,
JP4130670,
JP3993207,
JP3993208,
JP4177427,
JP4177428,
JP4177429,
JP4177430,
JP4177431,
JP4177432,
JP4177433,
JP4347401,
JP4347405,
JP4347406,
JP appl. 2009-159637,
US5604737,
US6240085,
US7167467,
US75
Date: Applied on December 15, 1993 in Japan, on December 13, 1994 in USA
Country: USA, Japan

B. Does this disclosure relate to an unpublished pending patent application?:

Has patent pending
No

'VI'. Licensing Declaration

The Patent Holder states that its position with respect to licensing any patent claims contained in the patent(s) or patent application(s) disclosed above that would necessarily be infringed by implementation of the technology required by the relevant IETF specification ("Necessary Patent Claims"), for the purpose of implementing such specification, is as follows(select one licensing declaration option only):

Licensing
Reasonable and Non-Discriminatory License to All Implementers with Possible Royalty/Fee
Licensing information, comments, notes, or URL for further information

(No information submitted)

Note: The individual submitting this template represents and warrants that he or she is authorized by the Patent Holder to agree to the above-selected licensing declaration.

'VII'. Contact Information of Submitter of this Form

Submitter name
Hisashi Kumazaki
Submitter email
hisashi.kumazaki.ek@hitachi.com

Only those sections of the relevant entry form where the submitter provided information are displayed.