Ann: Market Update, page-55

No it doesn't include IP, which is intangible. Essentially to be tangible you have to be able to physically touch it.

Tangible assets include both fixed assets, such as machinery, buildings and land, and current assets, such as inventory. The opposite of a tangible asset is anintangible asset. Nonphysical assets, such as patents, trademarks, copyrights, goodwill and brand recognition, are all examples of intangible assets.