Number | Date | Country | Kind |
---|---|---|---|
2-98454 | Apr 1990 | JPX | |
2-119123 | May 1990 | JPX | |
2-189232 | Jul 1990 | JPX | |
3-76026 | Apr 1991 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
4832428 | Miyawaki et al. | May 1989 | |
4861128 | Ishikawa et al. | Aug 1989 | |
4932743 | Isobe et al. | Jun 1990 | |
4971414 | Funato et al. | Nov 1990 | |
4978187 | Minemura et al. | Dec 1990 | |
4991160 | Premji | Feb 1991 |
Number | Date | Country |
---|---|---|
64-4706 | Sep 1989 | JPX |
64-4707 | Sep 1989 | JPX |
Entry |
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Kobayashi et al., "An Optical Waveguide TE-TM Mode Splitter" Appl. Physics Letter vol. 32 No. 5, Mar. 1, 1978, pp. 300-302. |