Intellectual Property

Expanding the Scope

DOCOMO actively researches and develops network related technologies such as W-CDMA, LTE, LTE-Advanced and 5G, and new service related technologies such as AI and IoT, with the ultimate goal of enhancing mobile experiences for customers. We are also applying for patents on these technologies. As a result, DOCOMO is having some 4,100 patents in Japan and 7,200 patents overseas as of March 2019.

Patent Application Data

DOCOMO is steadily expanding the scope of its intellectual property in order to strengthen its competitiveness in Japan and abroad.
DOCOMO increased the number of 5G patent applications as the efforts toward standardization of 5G specifications gained momentum in FY2018.

Graph showing changes in the number of patent appliedGraph showing changes in the number of patent applied

Patent application field: 5G

5G aims to achieve a high capacity network which is able to support increase in traffic with low cost and reduced power consumption.
DOCOMO is conducting research and development to enable a wide range of capabilities such as super high data rate communications of over 10Gbps, lower latency, and simultaneous connection of a large number of terminals in order to support the future spread of M2M communications and IoT, and promoting relevant intellectual property activities.

Number of 5G-related patent family applications filed by DOCOMO

DOCOMO has participated in the standardization of wireless technologies such as W-CDMA and LTE, coding technologies such as AVC/H.264 and AAC, and other related technologies. DOCOMO has submitted many technical proposals that have been incorporated into standards.

With the efforts toward the standardization of 5G specifications gaining momentum following the standardization of LTE, DOCOMO applied for patents. As a result, DOCOMO came to be ranked sixth overall and first among carriers in terms of the number of 5G-related patent applications submitted, according to a survey conducted in the 2018 fiscal year.

Graph showing Number of 5G-related patent family applications filed by DOCOMOGraph showing Number of 5G-related patent family applications filed by DOCOMO

Source: "New windowApplication trend of ETSI standard essential patent (5G-SEP) candidates contributing to realization of 5G and proposal trend of contributions for standards" by Cyber Creative Institute Co. Ltd.

Patent application field: new services

To achieve the Medium-Term Strategy 2020 "Declaration beyond" goals, DOCOMO has been applying on patents for service solutions utilizing AI and IoT. In particular, DOCOMO is strengthening intellectual property activities by applying patents on my daiz related technologies such as intention interpretation and natural dialogue technology, and drone related technologies such as agricultural support technology and operation management technology.

Trademark Application Data

DOCOMO has been applying for and maintaining trademarks in order to protect its product brands and service brands. DOCOMO has approximately 1,500 trademarks in Japan and 1,300 trademarks overseas as of March 2019.

Patent Licensing

DOCOMO licenses its standard-essential patentsnotice1 on FRAND (Fair, Reasonable and Non-Discriminatory) terms.
DOCOMO has owned more than 6,000 patents/patent applications worldwide in the field of 3GPP standard-essential patents and continues to license them through both bilateral negotiation and patent pool.

Xiaomi

DOCOMO has granted a patent license to Xiaomi. The agreement covers DOCOMO's cellular wireless standard-essential patents.

KYOCERA Corporation

DOCOMO has granted a patent license to KYOCERA Corporation. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.

Samsung Electronics Co., Ltd.

DOCOMO has granted a patent license to Samsung Electronics Co., Ltd.

Sharp Corporation

DOCOMO has granted a patent license to Sharp Corporation. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.

Microsoft Corporation

DOCOMO has granted a patent license to Microsoft Corporation. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.

HTC Corporation

DOCOMO has granted a patent license to HTC Corporation. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.

HUAWEI

DOCOMO has granted a patent license to HUAWEI. The agreement covers DOCOMO's standard-essential patents for wireless communication technologies.

LG Electronics Inc.

DOCOMO has granted a terminal patent license to LG Electronics Inc. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.

Including standard-essential patents, if you are interested in taking a license, please contact us at:

Patent Licensing Contact Information
Strategic Licensing Group
Intellectual Property Department
NTT DOCOMO
Sanno Park Tower, 36th Floor, 11-1 Nagata-cho 2-chome, Chiyoda-ku, Tokyo 100-6136

patent hyphen license at nttdocomo dot com

Alternatively, it is also possible to obtain licenses to our standard-essential patents through the following patent poolsnotice2. If you are interested in taking a pool license, please contact the concerned Licensing Administrator.

Patent Pools through which DOCOMO Licenses standard-essential patents

Patent Pools through which DOCOMO Licenses standard-essential patents
Patent Pool Licensing Administrator
New windowLTE Via Licensing
New windowW-CDMA Via Licensing
New windowHEVC/H.265 (High Efficiency Video Coding) MPEG LA
New windowAVC/H.264 (Advanced Video Coding) MPEG LA
New windowMVC (Multiview Video Coding) MPEG LA
New windowAAC (Advanced Audio Coding) Via Licensing
New windowxHE-AAC (Extended High-Efficiency Advanced Audio Coding) Via Licensing
New windowEVS (Enhanced Voice Services) MPEG LA
New windowAvanci (IoT) Avanci
  • 1 Standard-essential patent: A patent which is unavoidably infringed when manufacturing a standard-compliant product without a license from the patent owner.
  • 2 Patent Pool: A mechanism whereby a plurality of patent holders collectively license standard-essential patents.
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