IFI

Patent Intelligence & Technology Report

10 Year Profile for 1990-1999

RISO KAGAKU CORP JP

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

 074      0     1     0     0     0     0     0     0     0     0      1
 100      0     0     0     0     0     0     0     0     1     0      1
 101     20    18    34    27    10     9     4     7     5     4    138
 106      3     7     3     2     0     0     0     0     0     0     15
 156      0     0     0     1     0     0     0     1     0     0      2
 198      0     0     0     0     1     0     0     0     0     0      1
 222      1     1     0     0     1     1     0     0     0     0      4
 227      0     2     0     0     0     0     0     0     0     0      2
 229      0     0     1     0     0     0     0     0     0     0      1
 235      1     0     0     1     0     0     0     0     0     0      2
 241      0     0     0     0     0     1     1     0     0     0      2
 264      0     0     0     0     0     0     1     1     0     0      2
 270      1     0     0     0     0     0     0     0     0     0      1
 271      8     3     1     5     9     1     0     0     1     0     28
 347      1     0     1     1     0     0     0     0     0     0      3
 355      0     0     1     0     0     0     0     0     0     1      2
 358      3     0     0     2     1     0     0     0     1     0      7
 392      0     1     0     0     0     0     0     0     0     0      1
 399      1     1     2     1     0     0     0     0     0     0      5
 427      0     2     0     0     1     0     0     0     0     0      3
 428      2     0     0     2     0     0     0     0     0     0      4
 524      2     0     0     0     0     0     0     0     0     0      2

Total    43    36    43    42    23    12     6     9     8     5    227