The automotive industry continues to be a hotbed of patent innovation. Activity in in-wheel motor drives is driven by improved efficiency and energy recovery, enhanced power density, integration with vehicle dynamics systems, and growing importance of technologies such as motor controllers, smart electronics, and control algorithm. In the last three years alone, there have been over 720,000 patents filed and granted in the automotive industry, according to GlobalData’s report on Innovation in automotive: in-wheel motor drives. Buy the report here.
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However, not all innovations are equal and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early emergence to accelerating adoption, before finally stabilizing and reaching maturity.
Identifying where a particular innovation is on this journey, especially those that are in the emerging and accelerating stages, is essential for understanding their current level of adoption and the likely future trajectory and impact they will have.
300+ innovations will shape the automotive industry
According to GlobalData’s Technology Foresights, which plots the S-curve for the automotive industry using innovation intensity models built on over one million patents, there are 300+ innovation areas that will shape the future of the industry.
Within the emerging innovation stage, multi-spark ignition, integrated multi-motor drivetrains and vehicle auxiliary drives are disruptive technologies that are in the early stages of application and should be tracked closely. Solar range extenders, turbocharger shaft bearings, and multi-lamellar clutches are some of the accelerating innovation areas, where adoption has been steadily increasing. Among maturing innovation areas are auto-transmission lubrication circuits and electroluminscent vehicle displays, which are now well established in the industry.
Innovation S-curve for the automotive industry
In-wheel motor drives is a key innovation area in automotive
In-wheel motor drives refer to a type of motor that is integrated into a vehicle's wheels to provide propulsion. The motor's components are housed within the wheel itself, which eliminates the need for a traditional drivetrain, such as an axle and differential. This technology offers advantages in terms of space utilization, weight reduction, and simplified design.
GlobalData’s analysis also uncovers the companies at the forefront of each innovation area and assesses the potential reach and impact of their patenting activity across different applications and geographies. According to GlobalData, there are 25 companies, spanning technology vendors, established automotive companies, and up-and-coming start-ups engaged in the development and application of in-wheel motor drives.
Key players in in-wheel motor drives – a disruptive innovation in the automotive industry
‘Application diversity’ measures the number of applications identified for each patent. It broadly splits companies into either ‘niche’ or ‘diversified’ innovators.
‘Geographic reach’ refers to the number of countries each patent is registered in. It reflects the breadth of geographic application intended, ranging from ‘global’ to ‘local’.
Nissan Motor is one of the leading patent filers in in-wheel motor drives. The company focuses on increased power density to increase the power output of in-wheel motors, while maintaining or reducing their size and weight. This contributes to improved performance without sacrificing efficiency. Nissan’s advanced motor control algorithms enhance the precision and responsiveness of in-wheel motors, optimizing torque distribution for improved vehicle dynamics, stability, and traction control. Some other key patent filers in this space include Hyundai Mobis and NTT.
In terms of application diversity, Honda Motor leads the pack, while Ford Motor and Kia stood in the second and third positions, respectively. By means of geographic reach, Microelectronica MASER held the top position, followed by Nissan Motor and Komatsu.
To further understand the key themes and technologies disrupting the automotive industry, access GlobalData’s latest thematic research report on Automotive.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
