I'll post this on my blog soon.

Here is a list sorted by the ratio, with a cutoff of at least 1000 publications. 4 universities lead by a wide margin: 1. Berkeley 2. Stanford 3. Princeton 4. MIT

1 Wellcome Trust Sanger Institute 1239 45181 36.4
2 Google Inc. 2126 60583 28.4
3 Palo Alto Research Center 1560 42443 27.2
4 AT&T Labs Research 5699 131287 23.0
5 Bell Labs (Lucent Technologies Inc.) 4656 95602 20.5
6 University of California Berkeley 25809 529791 20.5
7 Weizmann Institute of Science 4116 84446 20.5
8 Yahoo Research Labs 2235 45322 20.2
9 Stanford University 30528 599120 19.6
10 Princeton University 8393 163755 19.5
11 Massachusetts Institute of Technology 30211 578190 19.1
12 Argonne National Laboratory 2723 51228 18.8
13 Microsoft 20303 379561 18.6
14 National Institutes of Health 8817 161731 18.3
15 SRI International 3193 58445 18.3
16 BBN Technologies 1633 27262 16.6
17 Brown University 5075 83557 16.4
18 Harvard University 16931 277193 16.3
19 Cornell University 11989 195178 16.2
20 University of Oregon 2057 32635 15.8
21 Rice University 5238 82713 15.7
22 University of Washington 14667 228336 15.5
23 Intel Corporation 4036 62412 15.4
24 Carnegie Mellon University 31227 481334 15.4
25 Yale University 7140 109336 15.3
26 IBM 23142 352198 15.2
27 California Institute of Technology 7969 121192 15.2
28 Lawrence Berkeley National Laboratory 3646 55239 15.1
29 Hewlett Packard Labs 5180 76499 14.7
30 University of California Santa Cruz 4309 62968 14.6
31 New York University 7844 114416 14.5
32 Hebrew University of Jerusalem 4777 69261 14.4
33 Mitsubishi Electric Research Laboratorie 1911 27387 14.3
34 Columbia University New York 11380 157882 13.8
35 University of California 2275 31547 13.8
36 University of California Los Angeles 16214 223380 13.7
37 University of Wisconsin Madison 11919 164035 13.7
38 Oregon Health & Science University 2035 27992 13.7
39 University of Chicago 5299 72038 13.5
40 Brandeis University 1524 20597 13.5
41 NEC 1219 16446 13.4
42 University of Pennsylvania 11177 150223 13.4
43 Washington University Saint Louis 6646 88489 13.3
44 University of Massachusetts-Amherst 6436 85339 13.2
45 University of California San Diego 15449 204661 13.2
46 University of Rochester 3876 50691 13.0
47 University of Cambridge 13978 181921 13.0
48 US Naval Research Laboratory 1717 21984 12.8
49 University of Toronto 12396 158501 12.7
50 University College London 10831 136958 12.6
51 University of Oxford 9704 122210 12.5
52 University of California San Francisco 3253 40915 12.5
53 University of Southern California 17375 218213 12.5
54 University of Massachusetts Amherst 1381 17166 12.4
55 University of Colorado Boulder 6574 81660 12.4
56 Johns Hopkins University 6917 84569 12.2
57 University of Michigan 16286 197470 12.1
58 University of North Carolina Chapel Hill 6867 82186 11.9
59 Duke University 8430 100875 11.9
60 Boston University 6744 80477 11.9
61 Rutgers University 10092 119986 11.8
62 Georgetown University 1182 13938 11.7
63 University of California Santa Barbara 8238 96305 11.6
64 École Normale Supérieure Paris 2102 24111 11.4
65 University of Virginia 5040 56874 11.2
66 University of Maryland 16658 187911 11.2
67 University of Illinois Urbana Champaign 22084 248645 11.2
68 University of Texas Austin 14418 160564 11.1
69 Tel Aviv University 7936 88271 11.1
70 Dartmouth College 2958 32683 11.0
71 Portland State University 1795 19624 10.9
72 University of Minnesota 12559 137294 10.9
73 University of California Irvine 10365 111280 10.7
74 Lawrence Livermore National Laboratory 1682 18018 10.7
75 National Institute of Standards and Tech 3612 38352 10.6
76 École Polytechnique (France) 1370 14360 10.4
77 Northwestern University 7908 82239 10.3
78 Technion Israel Institute of Technology 7391 76190 10.3
79 University of British Columbia 9613 98773 10.2
80 Nokia Research Center 1683 17288 10.2
81 University of Arizona 6378 65277 10.2
82 Oregon State University 2499 25469 10.1
83 University of Waikato 1572 15804 10.0
84 University of Copenhagen 2232 22291 9.98
85 Case Western Reserve University 2648 26219 9.90
86 Polytechnic University of New York 1771 17506 9.88
87 University of Utah 5313 52423 9.86
88 University of Dundee 1088 10727 9.85
89 Institut National De Recherche en Inform 1081 10581 9.78
90 University of California Davis 8423 81240 9.64
91 Commissariat a l'Ënergie Atomique 2403 23170 9.64
92 Stony Brook University 4358 42017 9.64
93 Technical University of Denmark 2859 27564 9.64
94 Imperial College 4775 45981 9.62
95 Los Alamos National Laboratory 4206 40442 9.61
96 Georgia Institute of Technology 17315 165915 9.58
97 Agricultural Research Service 1419 13596 9.58
98 University of Edinburgh 9598 91615 9.54
99 Texas Medical Center 1103 10514 9.53
100 Institut Pasteur 1315 12468 9.48