IFI

Patent Intelligence & Technology Report

10 Year Profile for 1990-1999

LAM RESEARCH CORP

Class  1999  1998  1997  1996  1995  1994  1993  1992  1991  1990  Total

 118      4     2     3     2     0     1     2     0     0     0     14
 134      2     0     2     0     0     1     0     0     0     0      5
 137      0     2     0     0     0     0     0     0     0     0      2
 156      3     3     1     0     0     0     1     0     0     0      8
 204      1     0     0     0     0     1     1     0     0     0      3
 216      5     4     1     0     1     0     0     1     0     0     12
 219      3     3     1     0     0     1     0     0     0     0      8
 228      0     0     0     0     0     0     0     0     1     0      1
 251      0     0     1     0     0     0     0     0     0     0      1
 257      1     0     0     0     0     0     0     0     0     0      1
 277      0     1     0     0     0     0     0     0     0     0      1
 307      1     0     0     0     0     0     0     0     0     0      1
 315      2     1     0     2     0     0     1     0     0     0      6
 323      0     1     0     0     0     0     0     0     0     0      1
 333      1     0     1     0     0     0     0     0     0     0      2
 356      1     1     2     0     0     0     0     0     0     0      4
 361      2    11     1     0     1     0     0     0     0     0     15
 374      0     1     0     0     0     0     0     0     0     0      1
 395      1     0     0     0     0     0     0     0     0     0      1
 411      0     1     0     0     0     0     0     0     0     0      1
 427      3     2     0     1     0     0     1     2     0     1     10
 437      0     1     0     0     0     0     0     0     0     0      1
 438     12     4     4     2     0     0     1     1     0     1     25
 451      2     2     0     0     0     0     0     0     0     0      4
 700      1     2     0     0     0     0     0     0     0     0      3

Total    45    42    17     7     2     4     7     4     1     2    131