IFI
Patent Intelligence & Technology Report
Class Distribution for 1990-1999
430 - RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF
THEREOF (IPC G03C, G03F, G03G)
1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 Total
HITACHI CHEMICAL CO LTD JP
8 6 4 4 5 5 8 2 10 5 57
MORTON INTERNATIONAL INC
10 0 4 3 6 6 6 4 3 0 42
HITACHI MAXELL LTD JP
2 1 1 1 3 1 3 1 0 0 13
IDEMITSU KOSAN CO LTD JP
2 0 0 2 0 0 4 1 1 0 10
CHARTERED SEMICONDUCTOR MANUFACTURING PTE LTD SG
4 2 0 1 1 1 0 0 0 0 9
IMPERIAL CHEMICAL INDUSTRIES LTD GB
0 0 0 0 1 1 0 3 0 4 9
NITTO DENKO CORP JP
1 1 3 1 0 0 1 0 1 0 8
CHISSO CORP JP
0 0 0 1 1 4 0 0 0 1 7
SHOWA DENKO K K JP
0 2 1 0 2 1 0 1 0 0 7
DAIKIN KOGYO CO LTD JP
0 0 0 0 0 0 2 2 2 0 6
PPG INDUSTRIES INC
0 1 2 1 0 1 1 0 0 0 6
DEGUSSA DE
0 0 0 1 0 1 0 0 0 0 2
FRANCE TELECOM S A FR
0 0 0 0 1 0 0 0 0 0 1
IOWA STATE UNIVERSITY RESEARCH FOUNDATION INC
0 0 0 0 0 0 0 1 0 0 1
KOREA TELECOM KR
0 0 1 0 0 0 0 0 0 0 1
QUANTUM CORP
1 0 0 0 0 0 0 0 0 0 1
WACKER-CHEMIE GMBH DE
0 1 0 0 0 0 0 0 0 0 1
Total 28 14 16 15 20 21 25 15 17 10 181