John; Sajeev
Patent Applications and Registrations
Patent applications and USPTO patent grants for John; Sajeev.The latest application filed is for "photonic bandgap materials based on silicon".
- John; Sajeev - Mississauga CA
- John; Sajeev - London CA
| Patent | Date |
|---|---|
| Photonic bandgap materials based on silicon Grant 7,333,264 - John , et al. February 19, 2 | 2008-02-19 |
| Photonic bandgap materials based on silicon App 20060209393 - John; Sajeev ; et al. | 2006-09-21 |
| Electro-actively tunable photonic bandgap materials Grant 6,813,064 - John , et al. November 2, 2 | 2004-11-02 |
| Optical food oil quality sensor Grant 6,717,667 - Abraham , et al. April 6, 2 | 2004-04-06 |
| Photonic bandgap materials based on silicon App 20030156319 - John, Sajeev ; et al. | 2003-08-21 |
| Optical food oil quality sensor App 20030147073 - Abraham, Varghese ; et al. | 2003-08-07 |
| Photonic band gap materials based on spiral posts in a lattice Grant 6,589,334 - John , et al. July 8, 2 | 2003-07-08 |
| Electro-actively tunable photonic bandgap materials App 20020074537 - John, Sajeev ; et al. | 2002-06-20 |
| Photonic band gap materials based on spiral posts in a lattice App 20020059897 - John, Sajeev ; et al. | 2002-05-23 |
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