Andy, Fujitsu offers a UHF Gen2 flexible laundry tag which can be sewn into laundered items. If your requiring a tag to be applied to the laundry hanger there are many options.  As they have not set up a US presence, the best way to contact them is through the URL located at the bottom of the brochure.

You may contact Kan Izumi from Fujitsh Frontech Limited at izumi@jp.fujitsu.com for furthur information

Thanks for eveyones help.