Inventor · disambiguated record
William R. Heffner
Also filed as: HEFFNER WILLIAM R · HEFFNER WILLIAM RUDOLPH
6 granted patents·2 pending applications·155 citations·filing 1979–2004
86Inventor score
Files withAT & T BELL LAB2LUCENT TECHNOLOGIES INC2BELL TELEPHONE LABOR INC1DERKITS GUSTAV E1TRIQUINT TECHNOLOGY HOLDING CO1
Top patents by PatentIndex Score
8 records- 0189US4239345ABistable liquid crystal twist cellBELL TELEPHONE LABOR INC·Filed 1979·Granted Dec 16, 1980·53 cites·11 claims
- 0280US4529271AMatrix addressed bistable liquid crystal displayAT & T BELL LAB·Filed 1982·Granted Jul 16, 1985·42 cites·15 claims
- 0370US6555457B1Method of forming a laser circuit having low penetration ohmic contact providing impurity gettering and the resultant laser circuitTRIQUINT TECHNOLOGY HOLDING CO·Filed 2000·Granted Apr 29, 2003·14 cites·15 claims
- 0463US4505548ABistable liquid crystal twist cellAT & T BELL LAB·Filed 1983·Granted Mar 19, 1985·22 cites·3 claims
- 0554US6255707B1Semiconductor laser reliability test structure and methodLUCENT TECHNOLOGIES INC·Filed 1998·Granted Jul 3, 2001·17 cites·34 claims
- 0638US6265237B1In-wafer testing of DFB semiconductor lasersLUCENT TECHNOLOGIES INC·Filed 1999·Granted Jul 24, 2001·7 cites·21 claims
- 0736US2004217475A1A structure for forming a laser circuit having low penetration ohmic contact providing impurity gettering and the resultant laser circuitDERKITS GUSTAV E·Filed 2004·Application pending·0 cites
- 0834US2003141599A1A structure for forming a laser circuit having low penetration ohmic contact providing impurity gettering and the resultant laser circuitFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →