Number | Date | Country | Kind |
---|---|---|---|
7-076574 | Mar 1995 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5115510 | Toshiya et al. | May 1992 | |
5241683 | Toshiya | Aug 1993 | |
5404539 | Manabu | Apr 1995 | |
5511215 | Toshiaki et al. | Apr 1996 |
Number | Date | Country |
---|---|---|
5-20152 | Mar 1993 | JPX |
Entry |
---|
Iwanami Shoten "Information Science Dictionary" (May 1990), pp. 494-497. |