Number | Date | Country | Kind |
---|---|---|---|
10-340536 | Nov 1998 | JP |
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3662491 | Boyriven | May 1972 | A |
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4665710 | Kyzer et al. | May 1987 | A |
5018303 | Koura et al. | May 1991 | A |
5155937 | Yamagishi et al. | Oct 1992 | A |
5632120 | Shigematsu et al. | May 1997 | A |
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5832669 | Mizuki et al. | Nov 1998 | A |
Entry |
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An article published by Toyota Co. Ltd., Aug. 1995, pp. 53-62. |