Summary
This report was prepared by MarkLines based on patent information from the "Technical Information Distribution Service - swimy" provided by Toyota Technical Development Corporation (TTDC), and reports on recent technology topics surrounding the auto industry. The two business areas of TTDC are intellectual property (IP) and measurement control solutions. The IP side of TTDC is involved in the collection and analysis of information on automotive technology developments globally, and provides services such as consulting for research planning, applying for patents in foreign languages, and technical translation.
BYD's patent applications have increased sharply, from 438 in 2021 to 956 in 2022. In addition to its existing strength in battery technology, BYD is also focusing on vehicle thermal management technology and thermal management of battery packs. The company is also working on advanced driver assistance systems (ADAS).
Founded in 1995, BYD is primarily involved in the businesses of rechargeable batteries, mobile phones, and automobiles.
In 2003, the company entered the automobile business.
This report covers BYD Co., Ltd.'s (BYD’s) patent applications in China that are related to electric vehicles.
Technical information distribution service-swimy URL: local source reference
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TTDC Related Reports:
Trends in Collaborative Development of All-Solid-State Batteries (Aug. 2024)
Xiaomi's Automotive Technology Development Trends (Jul. 2024)
Trend Survey of Vehicle Seat Materials (Feb. 2024)
Logic Semiconductors for Automotive ECUs (Dec. 2023)
Standards and SEP surveys in the field of 5G communications (Oct. 2023)
Local Reconstruction Note
This article has been expanded from the visible local mirror text, headings, tags, image captions, tables, and related local article titles. It is presented as a reconstructed reading version, not as a hidden original document.
Overall trends
The source outline identifies this section as part of “BYD's Electric Vehicle Development Trends”. Based on the available local metadata, this section should be read through the lens of TTDC patent trends, Technology Show, BYD, EV, Vehicles & OEMs, EV battery and the visible introduction, figures, captions, and tables.
Activities by technology category
The source outline identifies this section as part of “BYD's Electric Vehicle Development Trends”. Based on the available local metadata, this section should be read through the lens of TTDC patent trends, Technology Show, BYD, EV, Vehicles & OEMs, EV battery and the visible introduction, figures, captions, and tables.
Trends in development items
The source outline identifies this section as part of “BYD's Electric Vehicle Development Trends”. Based on the available local metadata, this section should be read through the lens of TTDC patent trends, Technology Show, BYD, EV, Vehicles & OEMs, EV battery and the visible introduction, figures, captions, and tables.
1. Battery packs and thermal management
The source outline identifies this section as part of “BYD's Electric Vehicle Development Trends”. Based on the available local metadata, this section should be read through the lens of TTDC patent trends, Technology Show, BYD, EV, Vehicles & OEMs, EV battery and the visible introduction, figures, captions, and tables.
2. Charging, discharging and energy conversion
The source outline identifies this section as part of “BYD's Electric Vehicle Development Trends”. Based on the available local metadata, this section should be read through the lens of TTDC patent trends, Technology Show, BYD, EV, Vehicles & OEMs, EV battery and the visible introduction, figures, captions, and tables.
Related Local Signals
Nearby records in the local archive include Taipei AMPA 2026: Foxconn’s EV Technology; Smart Energy Week 2026: Batteries and Charging; Electrified Vehicle (xEV) Sales Monthly Report (March 2026); Geely i-HEV Intelligent Hybrid Technology Presentation. These titles can be used as adjacent evidence when comparing suppliers, technologies, markets, and reporting periods.