Inventor · disambiguated record
John R. Shaffer
Also filed as: SHAFFER JOHN · SHAFFER JOHN R · SHAFFER JOHN RUSTY
12 granted patents·4 pending applications·154 citations·filing 1988–2018
91Inventor score
Files withOPTEK MUSIC SYSTEMS INC8SHAFFER JOHN R3BADER ERIC W1GOLDMAN SACHS & CO LLC1MULLER MARTINI MAILROOM SYSTEM1
Top patents by PatentIndex Score
16 records- 0191US7427707B2Stringed musical instrument neck assembliesOPTEK MUSIC SYSTEMS INC·Filed 2007·Granted Sep 23, 2008·17 cites·18 claims
- 0286US7323633B2Methods and apparatus for transmitting finger positions to stringed instruments having a light-systemOPTEK MUSIC SYSTEMS INC·Filed 2006·Granted Jan 29, 2008·17 cites·32 claims
- 0385US8481839B2System and methods for synchronizing audio and/or visual playback with a fingering display for musical instrumentSHAFFER JOHN R·Filed 2009·Granted Jul 9, 2013·31 cites·39 claims
- 0482US7825313B2Stringed musical instrument neck assembliesOPTEK MUSIC SYSTEMS INC·Filed 2008·Granted Nov 2, 2010·10 cites·22 claims
- 0579US4915005AFingering display for musical instrumentSHAFFER JOHN R·Filed 1988·Granted Apr 10, 1990·53 cites·19 claims
- 0678US11127076B2Session-based electronic tradingGOLDMAN SACHS & CO LLC·Filed 2018·Granted Sep 21, 2021·4 cites·27 claims
- 0776US7732687B2Stringed instrument fretboard for use with light-systemOPTEK MUSIC SYSTEMS INC·Filed 2007·Granted Jun 8, 2010·6 cites·28 claims
- 0872US8191883B2Pocket management systemBADER ERIC W·Filed 2008·Granted Jun 5, 2012·7 cites·5 claims
- 0967US8263844B2Stringed musical instrument neck assembliesSHAFFER JOHN·Filed 2010·Granted Sep 11, 2012·3 cites·17 claims
- 1063US8106288B2Methods and apparatus for transmitting finger positions to stringed instruments having a light-systemSHAFFER JOHN R·Filed 2010·Granted Jan 31, 2012·2 cites·28 claims
- 1150US2017124898A1Music Synchronization System And Associated MethodsOPTEK MUSIC SYSTEMS INC·Filed 2016·Application pending·0 cites
- 1248US7863514B2Methods and apparatus for transmitting finger positions to stringed instruments having a light-systemOPTEK MUSIC SYSTEMS INC·Filed 2008·Granted Jan 4, 2011·0 cites·21 claims
- 1348US2010107849A1Coated Neck Assembly For A Stringed Musical InstrumentOPTEK MUSIC SYSTEMS INC·Filed 2009·Application pending·0 cites
- 1446USD324334SBottlePROCTER & GAMBLE·Filed 1988·Granted Mar 3, 1992·4 cites·1 claims
- 1541US2010300260A1Stringed instrument fretboard for use with light-systemOPTEK MUSIC SYSTEMS INC·Filed 2010·Application pending·0 cites
- 1628US2010276862A1Apparatus and method for detecting thickness of paper productMULLER MARTINI MAILROOM SYSTEM·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →