Van Der Tol; Johannes Jacobus Gerardus Maria
Patent Applications and Registrations
Patent applications and USPTO patent grants for Van Der Tol; Johannes Jacobus Gerardus Maria.The latest application filed is for "method and apparatus for monitoring an optical wdm network".
- Van Der Tol; Johannes Jacobus Gerardus Maria - Helmond NL
- Van Der Tol; Johannes Jacobus Gerardus Maria - Zoetermeer NL
| Patent | Date |
|---|---|
| Method and apparatus for monitoring an optical WDM network Grant 6,714,741 - Van De Bergh , et al. March 30, 2 | 2004-03-30 |
| Optical network having protection configuration Grant 5,896,474 - Van Deventer , et al. April 20, 1 | 1999-04-20 |
| Optical non-linear branching element with MZ interferometer Grant 5,887,092 - van der Tol March 23, 1 | 1999-03-23 |
| Polarisation-independent optical device Grant 5,708,734 - Van Der Tol January 13, 1 | 1998-01-13 |
| Integrated optical polarisation splitter Grant 5,696,856 - Van Der Tol December 9, 1 | 1997-12-09 |
| Integrated optical wavelength demultiplexer Grant 5,680,236 - Van Der Tol October 21, 1 | 1997-10-21 |
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