IFI

Patent Intelligence & Technology Report

Class Distribution for 1990-1999

349 - LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS (IPC G02F)

       1999  1998  1997  1996  1995  1994  1993  1992  1991  1990  Total

CHISSO CORP JP
          0     1     1     2     0     0     0     0     0     2      6
THOMSON MULTIMEDIA S A FR
          2     2     1     0     0     1     0     0     0     0      6
FRANCE TELECOM S A FR
          0     0     2     0     2     1     0     0     0     0      5
IDEMITSU KOSAN CO LTD JP
          0     0     0     0     1     1     1     0     1     1      5
NITTO DENKO CORP JP
          2     0     0     0     0     0     1     0     1     0      4
KOITO MANUFACTURING CO LTD JP
          0     0     0     0     1     0     0     0     0     1      2
TOPCON K K JP
          0     0     0     1     1     0     0     0     0     0      2
IMPERIAL CHEMICAL INDUSTRIES LTD GB
          0     0     0     0     0     0     0     1     0     0      1
PENN STATE RESEARCH FOUNDATION THE
          0     0     0     1     0     0     0     0     0     0      1
SEGA ENTERPRISES LTD JP
          0     0     0     1     0     0     0     0     0     0      1

Total     4     3     4     5     5     3     2     1     2     4     33