Hitachi, Ltd.'s Statement about IPR related to RFC 3666
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.
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
- Holder contact info
IP Licensing Department II, Intellectual Property Group
Marunouchi Center Building, 6-1 Marunouchi 1-chome
Chiyoda-ku, Tokyo 100-8220 Japan
III. Contact Information for the IETF Participant Whose Personal Belief Triggered this Disclosure
- Mr. Yoshitaka Iwata
- Other info
Business Planning Dapartment
Hitachi Systemplaza Shinkawasaki,890
Kashimada, Saiwai, Kawasaki, Kanagawa,212-8567 Japan
IV. IETF Document or Other Contribution to Which this IPR Disclosure Relates
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 8179
A. For granted patents or published pending patent applications, please provide the following information:
- Patent, Serial, Publication, Registration, or Application/File number(s)
JP appl. 2009-159637,
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B. Does this disclosure relate to an unpublished pending patent application?: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
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):
- 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
Only those sections of the relevant entry form where the submitter provided information are displayed.