Inventor · disambiguated record
Charles Haggans
Also filed as: HAGGANS CHARLES · HAGGANS CHARLES W · HAGGANS CHARLES WESLEY
12 granted patents·273 citations·filing 1997–2008
93Inventor score
Files withCIENA CORP83M INNOVATIVE PROPERTIES CO2MINNESOTA MINING & MFG1NEUMANN INFORMATION SYSTEMS IN1
Top patents by PatentIndex Score
12 records- 0193US7308197B1Modular add/drop multiplexer including a wavelength selective switchCIENA CORP·Filed 2004·Granted Dec 11, 2007·41 cites·7 claims
- 0291US7499652B2Modular add/drop multiplexer including a wavelength selective switchCIENA CORP·Filed 2007·Granted Mar 3, 2009·16 cites·7 claims
- 0389US7415208B1Method and system for allocating bandwidth in an optical communication networkCIENA CORP·Filed 2003·Granted Aug 19, 2008·30 cites·17 claims
- 0481US5852690ADepressed cladding fiber design for reducing coupling to cladding modes in fiber gratingsMINNESOTA MINING & MFG·Filed 1997·Granted Dec 22, 1998·60 cites·22 claims
- 0580US6005999AWaveguide narrowband rejection filter3M INNOVATIVE PROPERTIES CO·Filed 1997·Granted Dec 21, 1999·58 cites·19 claims
- 0677US7075711B2Optical communication system having dynamic gain equalizationCIENA CORP·Filed 2004·Granted Jul 11, 2006·11 cites·15 claims
- 0772US7356259B1Optical bypass upgrade configurationCIENA CORP·Filed 2004·Granted Apr 8, 2008·10 cites·36 claims
- 0870US7697843B2Modular add/drop multiplexer including a wavelength selective switchCIENA CORP·Filed 2008·Granted Apr 13, 2010·3 cites·5 claims
- 0969US7280762B1Optical communication system having dynamic gain equalizationCIENA CORP·Filed 2003·Granted Oct 9, 2007·13 cites·16 claims
- 1069US7092148B1Optical communication system having dynamic gain equalizationCIENA CORP·Filed 2002·Granted Aug 15, 2006·7 cites·38 claims
- 1168US7286574B2Infrared laserNEUMANN INFORMATION SYSTEMS IN·Filed 2004·Granted Oct 23, 2007·8 cites·29 claims
- 1251US6058231ABoron-doped optical fiber3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted May 2, 2000·16 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →