Add "PSComputerName" to the Select-Object cmdlet.
You should know that querying that WMI class is very slow. It forces a verification of every item it touches.
Using something like this in an Invoke-Command scriptblock is much faster:
Get-ChildItem -Path "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall", "HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall" | Get-ItemProperty | Select-Object -Property DisplayName, Publisher, UninstallString, InstallLocation, InstallDate