Number | Date | Country | Kind |
---|---|---|---|
2-265842 | Oct 1990 | JPX | |
2-269760 | Oct 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4879208 | Urabe | Nov 1989 |
Number | Date | Country |
---|---|---|
264954 | Apr 1988 | EPX |
0326853 | Aug 1989 | EPX |
405938 | Jan 1991 | EPX |
8906831 | Jul 1989 | WOX |
Entry |
---|
Patent Abstracts of Japan, vol. 14, No. 551(P-1084)7; Dec. 1990 JPA-2-2350; Sep. 1990. |