Number | Date | Country | Kind |
---|---|---|---|
5-234519 | Sep 1993 | JPX | |
5-242450 | Sep 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5346750 | Hatakeyama | Sep 1994 |
Entry |
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Patent Abstracts of Japan, vol. 13, No. 230 (May 26, 1989). |
Patent Abstracts of Japan, vol. 15, No. 506 ((Dec. 20, 1991). |
Patent Abstracts of Japan, vol. 17, No. 583 (Oct. 22, 1993). |
Patent Abstracts of Japan, vol. 13, No. 413 (Sep. 12, 1989). |