2015, Imation announced that it had agreed to relinquish this license and would cease selling TDK-branded products by the end of the year. Since the 2000s, TDK has focussed on the development, manufacture and sales of electronic components, HDD heads and suspension, and power supplies. Beginning in 2005, TDK has acquired many types of electronic device manufacturers including passive component developers, sensors manufacturers and power supply companies. These areas remain TDK's focus today. Since acquiring numerous companies and sharpening its product line focus in recent years, TDK has begun building a portfolio of varying sensors, actuators and power electronic components through these brands. These include multi-axis MEMS motion tracking devices and MEMS microphones from InvenSense, a point-of-load DC-DC converter from Faraday Semi, and MEMS-based ultrasonic Time-of-Flight sensors from Chirp Microsystems intended for consumer electronics, AR/VR, robotics, drones, IoT, automotive and industrial market segments. Other areas of TDK's recent focus include power components for mobile devices, high-stability MEMS accelerometers from Tronics, and miniaturized haptic actuators. Since 2016, Shigenao Ishiguro has been President and CEO of TDK. In 2017, TDK and GenCell began collaborating to develop and produce an ammonia-based fuel solution. Key acquisitions and joint ventures 1986: SAE Magnetics (H.K.) Ltd., a magnetic head maker based in Hong Kong 2000: Headway Technologies, a magnetic head maker based in the United States 2005: Amperex Technology Limited, a Lithium Polymer battery company based in Hong Kong 2005: Lambda Power Division, a group of power supply businesses of London-based Invensys PLC. 2008: Epcos, an electronic device manufacturer based in Germany 2016: Hutchinson Technology Inc., a manufacturer of HDD suspension assemblies based in the United States 2017: RF360 Holdings Singapore PTE Ltd. – a joint venture with Qualcomm Inc. (USA) 2017: ICsense NV, a mixed-signal ASIC design & supply company based in Belgium 2017: InvenSense, Inc., a sensor specialist based in the United States 2018: Chirp Microsystems, a developer of low power, ultrasonic 3D-sensing solutions based in the United States 2018: Faraday Semi LLC, a developer of miniature Point of Load (PoL) solutions based in the United States Sponsorship and advertising TDK has sponsored the IAAF World Championships in Athletics since the 1983 inaugural event in Helsinki. TDK sponsored Ajax for several years in the 1980s during which it won UEFA Cup Winners' Cup in 1987. From 1993 to 1999, TDK were also the sponsors of the English football club Crystal Palace, who were promoted