Inventor · disambiguated record
Chi Wu
Also filed as: WU CHI · WU CHI-HUA
12 granted patents·13 pending applications·469 citations·filing 1994–2022
93Inventor score
Top patents by PatentIndex Score
25 records- 0190US5581643AOptical waveguide cross-point switchNORTHERN TELECOM LTD·Filed 1994·Granted Dec 3, 1996·112 cites·23 claims
- 0288US5668900ATaper shapes for sidelobe suppression and bandwidth minimization in distributed feedback optical reflection filtersNORTHERN TELECOM LTD·Filed 1995·Granted Sep 16, 1997·97 cites·8 claims
- 0386US5710849ATaper shapes for flatband response and sidelobe suppression in grating assisted optical coupler filtersNORTHERN TELECOM LTD·Filed 1995·Granted Jan 20, 1998·82 cites·9 claims
- 0480US5502783APolarization independent optical directional coupler wavelength tunable filters/receiversNORTHERN TELECOM LTD·Filed 1994·Granted Mar 26, 1996·57 cites·34 claims
- 0575US6563997B1Formation of a surface on an optical componentLIGHTCROSS INC·Filed 2000·Granted May 13, 2003·17 cites·23 claims
- 0674US5777793APolarization insensitive multilayer planar reflection filters with near ideal spectral responseNORTHERN TELECOM LTD·Filed 1996·Granted Jul 7, 1998·42 cites·6 claims
- 0768US5715271APolarization independent grating resonator filterNORTHERN TELECOM LTD·Filed 1996·Granted Feb 3, 1998·34 cites·7 claims
- 0856US11821693B2Fluororesin bundle of heat exchange device and manufacturing method thereofALLIED SUPREME CORP·Filed 2022·Granted Nov 21, 2023·0 cites·12 claims
- 0941US5488679APolarization independent wavelength tunable filter based on birefringence compensationNORTHERN TELECOM LTD·Filed 1994·Granted Jan 30, 1996·10 cites·23 claims
- 1039US5563970ATaper shapes for ultralow sidelobe levels in directional coupler filtersNORTHERN TELECOM LTD·Filed 1995·Granted Oct 8, 1996·8 cites·13 claims
- 1137US2002191885A1Optical component having improved warping symmetryFiled 2001·Application pending·0 cites
- 1237US2002158046A1Formation of an optical componentFiled 2001·Application pending·0 cites
- 1337US2012089206A1Device using light energy to excite brain waves and method using the sameWU CHI-HUA·Filed 2010·Application pending·0 cites
- 1436US5548671AProgrammable, differential wavelength discriminatorNORTHERN TELECOM LTD·Filed 1994·Granted Aug 20, 1996·6 cites·10 claims
- 1536US2003026578A1Optical components having a reduced stressFiled 2001·Application pending·0 cites
- 1635US2002041739A1Waveguide having light barrier that serves as alignment grooveFiled 2001·Application pending·0 cites
- 1735US2002041748A1Component having a reduced thermal sensitivityFiled 2001·Application pending·0 cites
- 1835US2002064358A1Component having reduced cross talkFiled 2001·Application pending·0 cites
- 1935US2002094186A1Optical attenuatorFiled 2001·Application pending·0 cites
- 2033US2002141685A1Optical switch having a reduced cross talkFiled 2002·Application pending·0 cites
- 2132US2002048433A1Optical component having a protected ridgeFiled 2001·Application pending·0 cites
- 2231US2003012537A1Method of forming an optical componentFiled 2001·Application pending·0 cites
- 2329USD683433SFaucetLUH DING-BANG·Filed 2012·Granted May 28, 2013·4 cites·1 claims
- 2429US2002145791A1Optical component having a reduced thermal sensitivityFiled 2002·Application pending·0 cites
- 2522US2003091291A1Smoothing facets on an optical componentFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →