User blog comment:Apocaylpse06/Ichigo Kurosaki's (New) Zanpakuto/@comment-5090141-20120508221132/@comment-1393830-20120508221353

You can find this information easily on Ichigo's page under the Zanpakuto section. Ichigo's vast leaking reiastsu keeps his sword in shikai at all times just like Kenpachi.