Number | Date | Country | Kind |
---|---|---|---|
5-230767 | Aug 1993 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4698280 | Mine et al. | Oct 1987 | |
5028497 | Somezawa et al. | Jul 1991 |
Number | Date | Country |
---|---|---|
4105215 | Apr 1992 | JPX |
Entry |
---|
Patent Abstracts of Japan, unexamined applications, P field, vol. 18, No. 278, May 26, 1994 JPA 0644554. |
Database WPIL, No. 92-296 511, Derwent Publications Ltd., London and JP-A-04 205 710 (Hitachi Maxwell K.K.) Abstract only. |
Database WPIL, No. 92-296 510, Derwent Publications Ltd., London and JP-A-04 205 710 (Hitachi Maxwell K.K.) Abstract only. |