Expanding the Scope
DOCOMO actively researches and develops network related technologies such as W-CDMA, LTE, LTE-Advanced, 5G and 6G, 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 4,000 patents in Japan and some 9,000 patents overseas as of March 2022.
Patent Application Data
DOCOMO is steadily expanding the scope of its intellectual property in order to strengthen its competitiveness in Japan and abroad.
In addition to continued applications for 5G, DOCOMO proactively filed applications for 6G in FY 2021.
Awards for Intellectual Property
DOCOMO named an Asia IP Elite organization in 2022
In May 2022, DOCOMO was named an Asia IP Elite 2022 by Intellectual Asset Management (IAM), an internationally renowned intellectual property media company, and received an award in November of the same year. Companies and organizations that have placed intellectual property at the core of their business strategy were selected for this list in order to showcase exemplary initiatives for the creation of intellectual property in the Asia-Pacific region. This recognition is a result of the efforts that DOCOMO's R&D and intellectual property organizations have cultivated together.
Awarded the National Commendation for Invention*1
We at DOCOMO are putting our efforts into R&D to realize high-speed, reliable, and secure mobile communications, and as a result, our in-house engineers have received many National Commendation for Invention awards for 1G to 4G mobile communications system technologies.
We will continue to focus on R&D and patent applications pertaining to 5G and 6G technologies.
<List of National Commendation for Invention awards received by DOCOMO>
|Generation||Award Year||Invention Name||Award Results|
|1995||Multi-Station Sequential Transmission Technology for Automobile and Mobile Phone Systems*2
Patent No. 1506414
|1998||Mobile Radio Communications System
Patent No. 2106363
|Imperial Invention Prize|
|2010||Cell Search Time Reduction Technology for W-CDMA
Patent No. 3214860
|Prime Minister's Prize|
|2015||High-Speed Cell Search Technology for LTE
Patent No. 4440831
|Japan Patent Office Commissioner's Prize|
- A contest for Japan's best inventions sponsored by the Japan Institute of Invention and Innovation
- Joint patent with NTT
Patent application field: 5G/6G
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 10 Gbps, lower latency, and simultaneous connection of a large number of terminals in order to support the future spread of IoT and IoE, and continuing relevant intellectual property activities.
DOCOMO has started filing 6G patent applications for things designed to further improve 5G features such as ultra-high speed/high capacity, ultra-low latency, and simultaneous connection of a large number of terminals.
Data of 5G standard-essential patents owned by DOCOMO
DOCOMO participates in the standardization of wireless technologies, such as 5G and LTE, as well as various related technologies, and has also submitted many technical proposals that have been incorporated into standards.
DOCOMO came to be ranked fourth in the world and first among carriers in terms of shares of 5G standard-essential patents*3 owned, according to a survey conducted in FY 2022.
- Standard-essential patent: A patent which is unavoidably infringed when manufacturing a standard-compliant product without a license from the patent owner.
Source:"Cyber Creative Institute analyzes the factors behind the rapid increase in 5G-SEP and realized patents that support 5G standards and 5G business"
-Achievement of initial 5G goals and new 5G goals-
by Cyber Creative Institute Co., Ltd.
Patent application field: new services
DOCOMO has been applying on patents for service solutions utilizing AI, IoT and big data. In FY 2021, DOCOMO bolstered its intellectual property activities by increasing the number of patent applications for technologies related to recommendations, demand forecasts, and XR platforms.
The NTT Group, including DOCOMO, came to be ranked first in Japan in terms of the number of patent applications pertaining AI-related inventions submitted, according to a survey conducted in FY 2021.
Source:"Based on data in "Recent Trends in AI-related Inventions" published by the Japan Patent Office
Trademark Application Data
DOCOMO has been applying for and maintaining trademarks in order to protect its product brands and service brands. DOCOMO has approximately 1,600 trademarks in Japan and 1,200 trademarks overseas as of March 2022.
DOCOMO licenses its standard-essential patents on FRAND (Fair, Reasonable and Non-Discriminatory) terms.
DOCOMO has owned patents/patent applications worldwide in the field of 3GPP and other standard-essential patents and continues to license them through both bilateral negotiations and patent pools.
DOCOMO has granted a patent license to Lenovo. The agreement covers DOCOMO's cellular wireless standard-essential patents including 5G.
DOCOMO has renewed the patent license to Xiaomi Inc. The agreement covers DOCOMO's 5G standard-essential patents.
DOCOMO has granted a patent license to Xiaomi Inc. The agreement covers DOCOMO's cellular wireless standard-essential patents.
VIVO MOBILE COMMUNICATION CO., LTD.
NTT DOCOMO announced that it has granted a patent license to vivo. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced Standard Essential Patents.
Guangdong OPPO Mobile Telecommunications Co., Ltd.
NTT DOCOMO announced that it has granted a patent license to OPPO. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced Standard Essential Patents.
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.
DOCOMO has granted a patent license to Sharp Corporation. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.
DOCOMO has granted a patent license to Microsoft Corporation. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.
DOCOMO has granted a patent license to HTC Corporation. The agreement covers DOCOMO's W-CDMA, LTE and LTE-Advanced standard-essential patents.
Huawei Technologies Co., Ltd.
DOCOMO has granted a patent license to Huawei Technologies Co., Ltd. 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
Sanno Park Tower, 35th Floor, 11-1 Nagata-cho 2-chome, Chiyoda-ku, Tokyo 100-6135
Alternatively, it is also possible to obtain licenses to our standard-essential patents through the following patent pools*4. If you are interested in taking a pool license, please contact the concerned Licensing Administrator.
- Patent Pool: A mechanism whereby a plurality of patent holders collectively license standard-essential patents.
Patent Pools through which DOCOMO Licenses standard-essential patents
|Patent Pool||Licensing Administrator|
|HEVC/H.265 (High Efficiency Video Coding)||Access Advance|
|AVC/H.264 (Advanced Video Coding)||MPEG LA|
|MVC (Multiview Video Coding)||MPEG LA|
|AAC (Advanced Audio Coding)||Via Licensing|
|MPEG-H 3D Audio||Via Licensing|
|EVS (Enhanced Voice Services)||MPEG LA|
|Avanci (Vehicle 4G)||Avanci|
|Sisvel (Cellular IoT)||Sisvel|
October 17, 2022
June 30, 2022
November 30, 2021
April 8, 2021
March 22, 2021
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