For those interested: Japanese patents are getting longer and
the number of claims per patent is increasing.
Year/ Kokai / Ave Pages / Ave Number of Claims
1993 347327 7.26 3.14
1994 350911 7.56 3.63
1995 336970 7.55 4.27
1996 340508 8.01 4.76
1997 331464 8.18 5.00
1998 341388 8.46 5.52
1999 355942 8.63 5.82
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