Number | Date | Country | Kind |
---|---|---|---|
1-90827 | Apr 1989 | JPX | |
1-122749 | May 1989 | JPX | |
1-190947 | Jul 1989 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4580143 | Larson | Apr 1986 | |
4833990 | Hirt | May 1989 | |
4838940 | Kan et al. | Jun 1989 | |
4855763 | Kan et al. | Aug 1989 | |
4881084 | Kan et al. | Nov 1989 | |
4920361 | Arahara et al. | Apr 1990 | |
4945833 | Arahara et al. | Aug 1990 | |
4972200 | Arahara et al. | Nov 1990 |
Number | Date | Country |
---|---|---|
0336238 | Oct 1989 | EPX |
0352796 | Jan 1990 | EPX |
1671577 | Mar 1972 | DEX |
2200421 | Jul 1972 | DEX |
2019868 | Oct 1970 | FRX |
2601900 | Jan 1988 | FRX |
62-90248 | Apr 1987 | JPX |
01-133776 | May 1989 | JPX |
Entry |
---|
R. M. Schaffert, Electrophotography, John Wiley and Sons, New York (1965). |
Patent Abstracts of Japan, vol. 11, No. 296, Sep. 25, 1987. |