Number | Date | Country | Kind |
---|---|---|---|
2-200794 | Jul 1990 | JPX | |
2-200797 | Jul 1990 | JPX | |
2-272544 | Oct 1990 | JPX | |
2-274021 | Oct 1990 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
5041872 | Nukaya et al. | Aug 1991 | |
5047803 | Kanoto | Sep 1991 |
Number | Date | Country |
---|---|---|
0331324 | Sep 1989 | EPX |
0407183 | Jan 1991 | EPX |
0468749 | Jan 1992 | EPX |
0468751 | Jan 1992 | EPX |
0468752 | Jan 1992 | EPX |
1-131577 | May 1989 | JPX |
2-230165 | Sep 1990 | JPX |
Entry |
---|
Patent Abstracts of Japan; vol. 10, No. 64 (P-436); Mar. 1986 & JP-A-60 205 563 (Ricoh K.K.) Oct. 17, 1985. |
Patent Abstracts of Japan; vol. 13, No. 448 (P-942); Oct. 1989 & JP-A-01 172 849 (Canon K.K.) Jul. 7, 1989. |
Patent Abstracts of Japan; vol. 13, No. 438 (P-939); Oct. 1989 & JP-A-01 167 765 (Canon K.K.) Jul. 3, 1989. |
Patent Abstracts of Japan; vol. 13, No. 50 (P-823); Feb. 1989 & JP-A-63 244 058 (Canon) Oct. 11, 1988. |