Top 50 U.S. Patent Assignees of 2012
infodocket.com
infodocket.com
And MSFT with 2600+ patents, I'd have to imagine a lot of it is software (with some hardware maybe around Kinect and out of MSR)
edit: quick link to source - http://ificlaims.com/index.php?page=misc_top_50_2012
MSFT is not surprising at all. If anything I would have expected them to be higher.
The number of patents these 10 companies have filed for does not necessarily correlate well with the quality of their patents.
21. Google (1151)
Biggest Gainer, Up 170%; Was 65 on 2011 list.
The most disturbing outcome of the patent wars may be that a sleeping giant has been awoken. I wonder if Apple and others will regret they ever mentioned patents one day?