van der Tol; Johannes J. G. M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for van der Tol; Johannes J. G. M..The latest application filed is for "optical switching device".
- van der Tol; Johannes J. G. M. - Zoetermeer NL
- van der Tol; Johannes J. G. M. - MP Zoetermeer NL
- Van Der Tol; Johannes J. G. M. - Zoethermeer NL
| Patent | Date |
|---|---|
| Optical switching device Grant 5,574,808 - van der Tol November 12, 1 | 1996-11-12 |
| Integrated optical polarization converter with enhanced periodic coupling and method of fabricating same Grant 5,539,845 - van der Tol July 23, 1 | 1996-07-23 |
| Method and appertaining pair of mask patterns for fabricating, with the application of double masking, integrated optical waveguide structures Grant 5,528,708 - Van Der Tol June 18, 1 | 1996-06-18 |
| Polarization and wavelength independent optical power splitting circuit Grant 5,524,156 - Van Der Tol June 4, 1 | 1996-06-04 |
| Optical hybrid with 3.times.3 coupling device Grant 5,491,763 - van Deventer , et al. February 13, 1 | 1996-02-13 |
| Wavelength division multiplexer and demultiplexer Grant 5,325,221 - Van der Tol June 28, 1 | 1994-06-28 |
| Controllable polarisation transformer Grant 5,285,507 - Van der Tol February 8, 1 | 1994-02-08 |
| Optical waveguide (TE,TM) mode converter Grant 5,185,828 - van der Tol February 9, 1 | 1993-02-09 |
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