Expanding the Scope
DOCOMO has been promoting research and development of network advancement technologies such as W-CDMA, LTE, LTE-Advanced, 5G, 6G, and O-RAN, as well as new service-related technologies such as AI, XR, and IoT, in order to realize a more advanced and pleasant mobile communication environment, and has promoted patent applications.As a result, DOCOMO is having some 4,400 patents in Japan and some 10,100 patents overseas as of March 2023.
Patent Application Data
Number of Patent Applications
In FY2022, we continued to file applications for 5G, and also vigorously filed applications for 6G and O-RAN.
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
DOCOMO received the Prime Minister's Award for inventing the "Synchronization Signal Block Configuration Method for Efficient Communication Startup in 5G" (hereinafter referred to as "the Technology") at the 2023 National Commendation for Invention, and Motoyuki Ii, President and Representative Director of DOCOMO, received the Invention Achievement Award on behalf of DOCOMO for the development and achievements in the field of the Technology.
The Technology is a fundamental technology related to the 5th generation mobile communication system (5G), and is used in all 5G-compatible devices around the world. The Technology has enabled 5G communication services around the world, and contributed to the development of the communication infrastructure that supports the spread of smartphones and tablets. In addition, as 5G is expected to be used in all industries in the future, the Technology will be used as a foundation to support industries worldwide.
DOCOMO has received awards at the National Commendation for Invention for its 1st generation (analog) through 4th generation (LTE) mobile communication systems in a row, making this the 5th consecutive generation to receive the award. DOCOMO will continue to promote the R&D and standardization of mobile communication technologies, such as 5G Evolution and 6G, and contribute to the creation of new fundamental technologies to realize the next-generation communication infrastructure that will support future industry and society.
<List of National Commendation for Invention awards received by DOCOMO>
|Multi-Station Sequential Transmission Technology for Automobile and Mobile Phone Systems*2
Patent No. 1506414
|Mobile Radio Communications System
Patent No. 2106363
|Imperial Invention Prize
|Cell Search Time Reduction Technology for W-CDMA
Patent No. 3214860
|Prime Minister's Prize
|High-Speed Cell Search Technology for LTE
Patent No. 4440831
|Japan Patent Office Commissioner's Prize
|Invention of synchronization signal block construction method for efficient communication initiation in 5G
Patent No. 7039571
|Prime Minister'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/O-RAN
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.
We are also continuing to file patent applications for 6G, which aims for further enhancement of 5G features such as ultra-high speed/high capacity, ultra-low latency, and ultra-multiple simultaneous connections, as well as for O-RAN, which will make wireless access networks more scalable and open.
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.
"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
We have filed patent applications in areas related to service solutions using AI, XR, IoT, and big data.
For FY2022, we are strengthening our intellectual property activities by increasing the number of patent applications related to recommender systems, demand forecasting, and XR infrastructure.
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
Number of Trademark Applications
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 1,000 trademarks overseas as of March 2023.
Use of DOCOMO Logo
The DOCOMO corporate logo may not be used without DOCOMO's permission. However, it may be used to introduce or refer to the products or services of DOCOMO, or to indicate your relationship with DOCOMO. Please refer to the terms and conditions for use of the logo below.
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.
Samsung Electronics Co., Ltd.
DOCOMO has granted a patent license covering DOCOMO's standard essential patents including 5G to Samsung Electronics Co., Ltd.
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.
DOCOMO has signed a new patent license agreement with Sharp Corporation. This agreement covers DOCOMO's essential patents for the 5G standard.
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, 41th Floor, 11-1 Nagata-cho 2-chome, Chiyoda-ku, Tokyo 100-6150
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
|HEVC/H.265 (High Efficiency Video Coding)
|AVC/H.264 (Advanced Video Coding)
|MVC (Multiview Video Coding)
|AAC (Advanced Audio Coding)
|MPEG-H 3D Audio
|Avanci (Vehicle 4G)
|Sisvel (Cellular IoT)
October 17, 2022
June 30, 2022
November 30, 2021
April 8, 2021
March 22, 2021
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