Number | Date | Country | Kind |
---|---|---|---|
63-165877 | Jul 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4634767 | Hoelscher et al. | Jan 1987 | |
4637698 | Kwak et al. | Jan 1987 | |
4719296 | Irie et al. | Jan 1988 |
Number | Date | Country |
---|---|---|
1927849 | Dec 1970 | DEX |
28892 | Sep 1970 | JPX |
48631 | Dec 1974 | JPX |
36284 | Mar 1980 | JPX |
53586 | Mar 1985 | JPX |
112880 | Jun 1985 | JPX |
53288 | Mar 1986 | JPX |
263982 | Nov 1986 | JPX |
3303984 | Dec 1988 | JPX |
Entry |
---|
Publication No. WO 87/00524 (Optische Werke G. Rodenstock), 1-1987. |