Number | Name | Date | Kind |
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5925977 | Sugawara et al. | Jul 1999 | A |
6031345 | Nakata | Feb 2000 | A |
6114803 | Hosotani | Sep 2000 | A |
6236151 | Murakami et al. | May 2001 | B1 |
Number | Date | Country |
---|---|---|
19623047 | Dec 1996 | DE |
843333 | May 1998 | EP |
905742 | Mar 1999 | EP |
923107 | Jun 1999 | EP |
933797 | Aug 1999 | EP |
Entry |
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Patent Abstracts of Japan vol. 008, No. 095, E-242 May 1984, & JP 59 014240, Hitachi Seisakusho KK Jan. 25, 1984. |
Mitsuda K et al (Tokyo Shibaura Electric Co., Toshiba Electronic ENG, Mar. 31, 1999, abstract, Figure 2. |