Denso Ten
Japanese automotive electronics manufacturer supplying in-vehicle infotainment, navigation, audio, and control systems.
Last updated August 22, 2026
Overview
Denso Ten is a Japanese automotive electronics company headquartered in Kobe, Hyogo Prefecture. The company develops and manufactures systems used inside vehicles, including car audio, video, navigation, infotainment, and control equipment. It supplies products both under its own Eclipse brand and as original-equipment equipment for automobile manufacturers, particularly in Japan and the United States. The company operated for most of its history as Fujitsu Ten. Its roots lay in automotive and radio-electronics activities that emerged from the combination of Fujitsu Limited and Kobe Industries Corporation in 1968. Fujitsu subsequently separated those activities into an independent company in 1972, creating Fujitsu Ten. The separation was intended to give the automotive and radio-electronics operations a more concentrated business focus. Toyota invested in the company in 1974, establishing a long-running relationship alongside Fujitsu and later DENSO. Denso Ten’s product portfolio has centered on the electronic systems that connect drivers, passengers, and vehicles. Its Eclipse line became associated with car audio and GPS navigation products, including systems supporting traffic-information functions. The company has also supplied vehicle manufacturers with systems designed for integration into production vehicles rather than sold directly to consumers. Its broader technical scope includes in-vehicle information and entertainment equipment, vehicle-control electronics, and selected driver-assistance-related systems. A major ownership transition took place in 2017. In September 2016, DENSO agreed with Fujitsu to acquire a controlling interest in Fujitsu Ten. The transaction was completed on November 1, 2017, when DENSO increased its stake from 10 percent to 51 percent, Fujitsu reduced its holding from 55 percent to 14 percent, and Toyota retained a 35 percent interest. The company was renamed Denso Ten at the same time, reflecting its integration into the DENSO Group while preserving the business’s established automotive-electronics capabilities. Denso Ten serves vehicle manufacturers and the automotive supply chain rather than functioning primarily as a consumer retail brand. Its United States subsidiary, DENSO TEN AMERICA Limited, is headquartered in Novi, Michigan, and supplies the American market and related industry customers. The company’s present identity is therefore that of a group-affiliated automotive electronics supplier, with expertise spanning infotainment, navigation, audio, and vehicle control systems.
History
Denso Ten’s corporate history began within the Japanese electronics industry’s postwar expansion into automotive equipment. In 1968, automotive and radio-electronics activities associated with Fujitsu Limited and Kobe Industries Corporation were combined. These operations formed the technical and organizational foundation for a dedicated automotive-electronics business. Fujitsu separated the automotive and radio-electronics activities in 1972, creating Fujitsu Ten as an independent company. The move was intended to provide greater managerial and commercial focus for businesses that differed from Fujitsu’s broader information-technology operations. Fujitsu Ten subsequently developed products for vehicle manufacturers as well as equipment sold through its own consumer-facing product brands. Toyota invested in Fujitsu Ten in 1974. That investment gave the company an important connection to the Japanese automotive manufacturing sector and contributed to its role as an original-equipment supplier. Over time, Fujitsu Ten’s activities expanded around car audio, navigation, video, and vehicle-control electronics. Its Eclipse brand became particularly associated with automotive audio and GPS navigation systems, including products capable of handling traffic-information functions. The company also supplied systems to major automobile manufacturers in Japan and the United States, where equipment was integrated into vehicles during production. The next major turning point came from a change in ownership. In September 2016, DENSO announced an agreement with Fujitsu to purchase a controlling interest in Fujitsu Ten. The transaction was completed on November 1, 2017. DENSO’s ownership rose from 10 percent to 51 percent, Fujitsu’s holding fell from 55 percent to 14 percent, and Toyota continued to hold 35 percent. The company changed its name from Fujitsu Ten to Denso Ten on the completion date. The renaming placed the company more visibly within the DENSO Group, one of the major global automotive-parts groups, while retaining its existing capabilities and market relationships. Denso Ten continued to develop automotive electronic equipment spanning infotainment, audio, navigation, video, and control applications. Its United States organization, DENSO TEN AMERICA Limited, operates from Novi, Michigan, and supports supply to the U.S. market and automotive industry customers. Denso Ten’s development reflects the broader evolution of the automobile from a predominantly mechanical product into an electronically connected platform. Its historical emphasis has been on systems installed in vehicles, rather than on a mass retail identity. The company’s principal role is that of a technology and original-equipment supplier, combining branded offerings such as Eclipse with systems developed for automobile manufacturers.
- 2017Fujitsu Ten is renamed Denso Ten
The ownership transaction was completed on November 1, 2017. DENSO became the majority shareholder with 51 percent, Fujitsu held 14 percent, Toyota held 35 percent, and the company adopted the Denso Ten name.
- 2016DENSO agrees to acquire control
DENSO reached an agreement with Fujitsu to purchase a controlling interest in Fujitsu Ten.
- 1974Toyota invests in the company
Toyota acquired an investment in Fujitsu Ten, establishing a shareholder and business relationship that continued through the later ownership transition.
- 1972Fujitsu Ten is established
Fujitsu spun out its automotive and radio-electronics activities into the separately operated Fujitsu Ten company.
- 1968Automotive and radio-electronics activities are combined
Automotive and radio-electronics departments associated with Fujitsu Limited and Kobe Industries Corporation were merged, forming the operational roots of the later Fujitsu Ten company.
Products and positioning
Automotive electronics supplier focused on integrated in-vehicle information, entertainment, navigation, audio, and control systems for vehicle manufacturers and automotive markets.
EclipseCar audio and navigation
Eclipse is Denso Ten’s principal named product brand for automotive audio and GPS navigation equipment. The line has included in-vehicle systems combining audio functions with map-based navigation and, in some cases, traffic-information capabilities. It represents the company’s most visible consumer-facing brand while the wider business also develops equipment for direct installation by automobile manufacturers.
OEM in-vehicle infotainment systemsAutomotive electronics
Denso Ten develops vehicle-installed information and entertainment systems for automobile manufacturers. These systems can integrate audio, video, navigation, communications, and vehicle information within the cabin. They are supplied as original equipment and designed around the requirements of particular vehicle platforms and manufacturers rather than sold solely as universal aftermarket units.
Automotive control systemsVehicle control electronics
The company’s product scope also includes electronic control equipment used in vehicles. These products complement its infotainment and navigation activities by supporting vehicle-level control and electronic integration. Public reference material identifies control systems as part of Denso Ten’s major business areas, although it does not provide a complete model-by-model catalog.
TenvoxCar audio1980
Tenvox was a brand used for some Fujitsu Ten car radios during the 1980s. It is a historical product label rather than the company’s current corporate identity.
Flagship businesses
- Eclipse car audio and navigation systems
- OEM in-vehicle infotainment systems
- Automotive control and electronic systems
Brand decisions
- 2017Integration into the DENSO GroupStrategy
DENSO completed the acquisition of a controlling interest in Fujitsu Ten on November 1, 2017.
What changed. The company changed its name to Denso Ten and operated with DENSO holding 51 percent, Fujitsu 14 percent, and Toyota 35 percent.
Aftermath. Denso Ten became a DENSO Group subsidiary while continuing its automotive-electronics business, including infotainment, navigation, audio, and control systems.
- 2016Agreement to transfer control of Fujitsu Ten to DENSOM&A
Fujitsu Ten was a jointly held automotive-electronics company with Fujitsu, DENSO, and Toyota as shareholders. DENSO and Fujitsu agreed to a transaction that would make DENSO the controlling shareholder.
What changed. DENSO agreed to acquire a majority stake from Fujitsu, with completion scheduled for the following year.
Aftermath. The transaction was completed in 2017 and led to the company’s renaming as Denso Ten.
Recent events
- 2017Fujitsu Ten becomes Denso Ten after ownership transition
On November 1, 2017, DENSO became the majority owner, Fujitsu reduced its holding, Toyota remained a shareholder, and Fujitsu Ten adopted the Denso Ten name.
M&ALeadership change - 2016DENSO agrees to acquire controlling interest in Fujitsu Ten
DENSO and Fujitsu agreed on a transaction that would transfer control of Fujitsu Ten to DENSO, subject to completion of the acquisition.
M&A
Sources
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