Number | Date | Country | Kind |
---|---|---|---|
62-87370 | Apr 1987 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4556895 | Ohata | Dec 1985 | |
4740822 | Itoh | Apr 1988 |
Number | Date | Country |
---|---|---|
59-119869 | Jul 1984 | JPX |
59-232426 | Dec 1984 | JPX |
60-211946 | Oct 1985 | JPX |
60-239062 | Nov 1985 | JPX |
Entry |
---|
IEDM Digest, Dec. 1987, #25.8, pp. 560-563 by Yamamoto et al. |