IFI

Patent Intelligence & Technology Report

10 Year Profile for 1990-1999

TOPCON K K JP

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

 033      4     2     3     1     1     1     0     0     0     0     12
 073      2     0     0     0     0     0     0     0     0     0      2
 156      0     0     0     0     0     1     0     0     0     0      1
 172      0     1     0     0     0     0     0     0     0     0      1
 219      0     0     0     0     0     0     0     1     0     0      1
 250      1     2     1     2     3     0     3     1     0     1     14
 312      0     0     0     0     0     0     0     0     1     0      1
 345      0     1     0     0     0     0     0     0     0     0      1
 348      0     0     0     0     0     0     1     0     0     2      3
 349      0     0     0     1     1     0     0     0     0     0      2
 351      9     5     8     3    10     9     8     6     5     3     66
 353      0     0     0     0     0     1     0     0     0     0      1
 355      0     0     0     0     0     0     0     0     1     0      1
 356     16    14     6     7     2     3     2     1     3     2     56
 358      0     0     0     0     0     0     0     0     0     1      1
 359      4     5     3     4     2     2     2     2     3     0     27
 368      0     0     0     0     0     0     0     0     0     1      1
 372      4     1     0     0     1     0     1     1     1     0      9
 382      1     1     0     0     0     0     1     0     0     0      3
 385      0     3     0     0     0     0     0     0     0     0      3
 386      0     1     0     0     0     0     0     0     0     0      1
 396      0     0     0     1     0     0     2     0     1     0      4
 451      2     1     0     0     0     0     0     1     0     0      4
 600      3     3     1     0     0     0     2     2     5     1     17
 604      0     0     0     0     0     0     1     1     0     0      2
 606      1     0     0     0     1     0     1     0     1     0      4
 702      0     1     0     0     0     0     0     0     1     0      2
 706      0     0     1     0     0     0     0     0     0     0      1

Total    47    41    23    19    21    17    24    16    22    11    241