Number | Date | Country | Kind |
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2000-130880 | Apr 2000 | JP | |
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4346986 | Kuge et al. | Aug 1982 | A |
5420671 | Kisu et al. | May 1995 | A |
5568231 | Asano et al. | Oct 1996 | A |
Number | Date | Country |
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59-101668 | Jun 1984 | JP |
8-149808 | Jun 1996 | JP |
10-3199 | Jan 1998 | JP |
Entry |
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U.S. patent application No. 09/312,846, filed May 17, 2001 (Group Art Unit 2878). |