Number | Name | Date | Kind |
---|---|---|---|
4251603 | Matsumoto et al. | Feb 1981 | |
5561002 | Sakamoto et al. | Oct 1996 | |
5563765 | Lian et al. | Oct 1996 | |
5840444 | Takashima et al. | Nov 1998 |
Number | Date | Country |
---|---|---|
0859419 | Aug 1998 | EPX |
0858853 | Aug 1998 | EPX |
51-59348 | May 1976 | JPX |
55-97403 | Jul 1980 | JPX |
60-41426 | Sep 1985 | JPX |
Entry |
---|
European Search Report (Sep. 28, 1998). |