ThinkPad T series Windows 10. In December 2004 Lenovo of China announced the acquisition of the IBM PC division including the ThinkPad brand (at the time, 40% of the PC division was working in China.) ThinkPads were being made by Lenovo's arch-rival Great Wall Technology. Lenovo released the ThinkPad T60 and T60p laptops in February 2006. While designed and manufactured by Lenovo, the T60 and the T60p still featured the IBM logo on the machines. In May 2007, the T61 and T61p laptops slowly phased out IBM logos in favor of the ThinkPad logo. It also was the first T Series notebook to
ThinkPad Enderle said that the constant thing about ThinkPad is that the "brand stands for quality" and that "they build the best keyboard in the business." The ThinkPad X Tablet-series was PC Magazine Editor's Choice for tablet PCs. The ThinkPad X60s was ranked number one in ultraportable laptops by PC World. It lasted 8 hours and 21 minutes on a single charge with its 8-cell battery. The Lenovo ThinkPad X60s Series is on PC World's Top 100 Products of 2006. The 2005 PC World Reliability and Service survey ranked ThinkPad products ahead of all other brands for reliability. In the 2004