Number | Date | Country | Kind |
---|---|---|---|
10-145809 | May 1998 | JPX | |
11-128102 | May 1999 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4511483 | Ogawa et al. | Apr 1985 |
Number | Date | Country |
---|---|---|
56-115584 | Sep 1981 | JPX |
Entry |
---|
JP 57048280 A (Murata Mfg. Co. Ltd.) Mar. 19, 1982 (abstract) World Patents Index [online] London, U.K.: Derwent Publications, Ltd. Retrieved from WPI/Derwent. DW 198217, Accession No. 1982-34193E. |