Dammann; Hans O. B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dammann; Hans O. B..The latest application filed is for "non-reciprocal optical waveguide device, particularly for use as an isolator or circulator".
- Dammann; Hans O. B. - Tangstedt DE
| Patent | Date |
|---|---|
| Non-reciprocal optical waveguide device, particularly for use as an isolator or circulator Grant 4,859,014 - Schmitt , et al. August 22, 1 | 1989-08-22 |
| Phase-matched magnetooptical mode converter Grant 4,746,182 - Dammann , et al. May 24, 1 | 1988-05-24 |
| Planar optical waveguide and method of manufacturing same Grant 4,712,855 - Tolksdorf , et al. December 15, 1 | 1987-12-15 |
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