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.

  Technology trends based on patent information from 2020 onward regarding product development of plug-in hybrid electric vehicles (PHEVs), which are once again attracting attention as a replacement for battery EVs, were investigated. This report covers patent applications in Japan, China, the United States, Europe, and internationally.

  The number of patent applications shows slight fluctuations between 2020 and 2022, but increases significantly to 521 in 2023. Looking at the number of patent applications filed by each company, Toyota Motor Corporation (Toyota) and Honda Motor Co., Ltd. (Honda) in Japan, and Zhejiang Geely Holding Group Co., Ltd. (Geely) and BYD Co., Ltd. (BYD) in China, have filed many applications.
  Development subjects include themes such as "Adaptive power generation control and energy management for EREV/HV," "Electrical connection and disconnection fixing technology for EV battery packs," "Optimal configuration and comprehensive control for range extender EVs," and "Safe, high-efficiency, and integrated battery protection control for range-extended EVs."
  By technology category, a large number of patent applications were filed for "highly efficient integrated powertrain control," "automatic hybrid driving mode setting system," and "multi-functional DC/DC converter and charging control technology.”

Technical information distribution service-swimy URL: https://thinktank.toyota-td.jp/pub/list
Contains a large amount of content related to automobiles. Graph the content you are interested in with a single click. In addition, detailed display and downloading are also supported.