Number | Name | Date | Kind |
---|---|---|---|
4426596 | Butterwick | Jan 1984 | A |
4492977 | Tsuda et al. | Jan 1985 | A |
5841231 | Kimura et al. | Nov 1998 | A |
6585550 | Rodriguez et al. | Jul 2003 | B1 |
7189956 | Shimoi et al. | Mar 2007 | B2 |
Entry |
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“The Chunichi Shimbun,” Nov. 12, 2013, one page [newspaper article in Japanese language]. |