Number | Date | Country | Kind |
---|---|---|---|
3-057672 | Mar 1991 | JPX |
Filing Document | Filing Date | Country | Kind | 102e Date | 371c Date |
---|---|---|---|---|---|
PCT/JP92/00210 | 2/26/1992 | 10/23/1992 | 10/23/1992 |
Publishing Document | Publishing Date | Country | Kind |
---|---|---|---|
WO92/15901 | 9/17/1992 |
Number | Name | Date | Kind |
---|---|---|---|
3626194 | Hirano et al. | Dec 1971 | |
3827785 | Matsushita et al. | Aug 1974 | |
4215914 | Muchel et al. | Aug 1980 | |
4587065 | Kouichi et al. | May 1986 | |
4689000 | Kouichi et al. | Aug 1987 |
Number | Date | Country |
---|---|---|
0130838A2 | Jan 1985 | EPX |
0130838B1 | Jan 1985 | EPX |
0130838A3 | Jan 1985 | EPX |
58-159506 | Sep 1983 | JPX |
60-12509 | Jan 1985 | JPX |
2-64131 | Mar 1990 | JPX |
Entry |
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Rawson, et al., "Analysis of Refractive Index Distributions in Cylindrical Graded-Index Glass Rods (GRIN Rods) Used as Image Rays" Applied Optics, vol. 9, No. 3 Mar. 1970 p. 753. |