Number | Date | Country | Kind |
---|---|---|---|
3-077248 | Mar 1991 | JPX | |
3-077249 | Mar 1991 | JPX | |
3-077250 | Mar 1991 | JPX | |
3-077251 | Mar 1991 | JPX | |
3-077252 | Mar 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4434444 | Sato | Feb 1984 | |
4546396 | Schatteman | Oct 1985 | |
4631607 | Katsumata | Dec 1986 | |
4664337 | Shiratori | May 1987 | |
4673994 | Hida | Jun 1987 | |
4731684 | Suzuki | Mar 1988 | |
4786996 | Ohtani et al. | Nov 1988 | |
4796117 | Fleck | Jan 1989 | |
4949203 | Kunimaru et al. | Aug 1990 | |
5008766 | Chigasaki | Apr 1991 | |
5054016 | d'Alayer et al. | Oct 1991 |
Number | Date | Country |
---|---|---|
0388624 | Sep 1990 | EPX |
3904483 | Mar 1990 | DEX |
63-298886 | Dec 1988 | JPX |
Entry |
---|
Patent Abstracts of Japan vol. 3, No. 129 (E-147) 26 Sep. 1979 & JP-A-54106 212 (Hitachi) 21 Aug. 1979. |
Patent Abstracts of Japan, vol. 5, No. 182 (P-90) (854) 20 Nov. 1981 & JP-A-056111154 (Olympus) 9 Feb. 1981. |