Jacob M. Hammer

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Annapolis, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Ferromagnetic-semiconductor composite isolator and method
- Patent number 7,065,265
- Issue date Jun 20, 2006
- Photodigm, Inc.
- Jacob M. Hammer
- G02 - OPTICS
Information Patent Grant
Wavelength filter and polarizer
- Patent number 6,891,983
- Issue date May 10, 2005
- Photodigm, Inc.
- Jacob Meyer Hammer
- G02 - OPTICS
Information Patent Grant
Inline ferromagnetic-composite isolator and method
- Patent number 6,760,496
- Issue date Jul 6, 2004
- Photodigm, Inc.
- Jacob M. Hammer
- G02 - OPTICS
Information Patent Grant
Metal-ferromagnetic optical waveguide isolator
- Patent number 5,598,492
- Issue date Jan 28, 1997
- Jacob M. Hammer
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Ferromagnetic-semiconductor composite isolator and method
- Publication number 20040179256
- Publication date Sep 16, 2004
- Jacob M. Hammer
- G02 - OPTICS
Information Patent Application
Wavelength filter and polarizer
- Publication number 20040105606
- Publication date Jun 3, 2004
- Photodigm, Inc.
- Jacob Meyer Hammer
- G02 - OPTICS
Information Patent Application
Inline ferromagnetic-composite isolator and method
- Publication number 20030147579
- Publication date Aug 7, 2003
- Jacob M. Hammer
- G02 - OPTICS