Transphorm acquires Fujitsu's GaN power conversion business

December 05, 2013 //By Paul Buckley
Transphorm acquires Fujitsu's GaN power conversion business
Transphorm, Inc., a leader in GaN power devices for power supplies, has reached agreement with Fujitsu Limited and Fujitsu Semiconductor Limited whereby Fujitsu Semiconductor and Transphorm will integrate their gallium-nitride (GaN) power devices for power supplies businesses.

The integration will improve the market competitiveness of Transphorm's GaN power device business which will now lay claim to 250 total combined patents to have an extensive IP advantage in the competitive GaN market sector. The three companies have also agreed that both Fujitsu Limited and Fujitsu Semiconductor will take a minority equity position in Transphorm.

The deal will expand Transphorm scope of product offerings to now include both low and high voltage GaN devices such as Fujitsu’s 200V enhancement-mode (e-mode) technology and Transphorm’s JEDEC-qualified 600V HEMTs (TPH3006PS).

Transphorm has already released the first qualified high voltage commercial GaN devices but the company continues to make improvements in performance, quality and productivity. Fujitsu Limited, Fujitsu Semiconductor and Transphorm plan to bring together their complementary strengths in technology and manufacturing to enable superior GaN power device solutions to be delivered quickly to the market with both scale and affordability.

"Integrating Transphorm's operations with Fujitsu will enable high-volume and high-performance GaN power device production at Aizu-Wakamatsu, and we will also benefit from Fujitsu's strong technological capabilities underpinned by Fujitsu Groups' years of developments in the field of GaN power device. In addition to being a future user for GaN solutions, Fujitsu has also built customer relationships with many power management companies in Japan, one of the most important markets for Transphorm. These complementary strengths will enable us to become the world leader in the GaN power conversion business and allow our customers to use our GaN power solutions with confidence," explained Transphorm's CEO Fumihide Esaka.

Fujitsu Limited's President Masami Yamamoto, said: "This business integration, together with our contribution to Transphorm's management as a minority shareholder, will enable Fujitsu to meet Transphorm's needs by offering low-cost volume production, highly reliable technologies, and quality assurance methodologies. This collaboration will greatly accelerate the introduction and market share expansion of Transphorm's GaN power devices. While making efforts to promote the innovative value of more compact and


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