Inventor · disambiguated record
Stuart D. Howkins
Also filed as: HOWKINS STUART · HOWKINS STUART D · HOWKINS STUART DAVID
15 granted patents·714 citations·filing 1982–2017
95Inventor score
Technology areasB41J
Files withEXXON RESEARCH ENGINEERING CO4DATAPRODUCTS CORP2EXXON PRINTING SYSTEMS INC2RICOH PRINTING SYSTEMS AMERICA2HITACHI KOKI IMAGING SOLUTIONS1
Top patents by PatentIndex Score
15 records- 0198US4459601AInk jet method and apparatusEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Jul 10, 1984·222 cites·69 claims
- 0294US4646106AMethod of operating an ink jetEXXON PRINTING SYSTEMS INC·Filed 1984·Granted Feb 24, 1987·72 cites·16 claims
- 0393US4593291AMethod for operating an ink jet device to obtain high resolution printingEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Jun 3, 1986·63 cites·11 claims
- 0492US4523200AMethod for operating an ink jet apparatusEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Jun 11, 1985·62 cites·6 claims
- 0589US9944070B1Determination of a maximum jetting frequency for an inkjet headHOWKINS STUART·Filed 2017·Granted Apr 17, 2018·7 cites·20 claims
- 0689US4973980AAcoustic microstreaming in an ink jet apparatusDATAPRODUCTS CORP·Filed 1989·Granted Nov 27, 1990·50 cites·22 claims
- 0786US4686539AMultipulsing method for operating an ink jet apparatus for printing at high transport speedsSCHMIDLE LISA M·Filed 1986·Granted Aug 11, 1987·66 cites·9 claims
- 0884US4697193AMethod of operating an ink jet having high frequency stable operationEXXON PRINTING SYSTEMS INC·Filed 1986·Granted Sep 29, 1987·38 cites·4 claims
- 0983US4509059AMethod of operating an ink jetEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Apr 2, 1985·29 cites·36 claims
- 1081US6719390B1Short delay phased firing to reduce crosstalk in an inkjet printing deviceHITACHI PRINTING SOLUTIONS AME·Filed 2003·Granted Apr 13, 2004·23 cites·35 claims
- 1181US4788557AInk jet method and apparatus for reducing cross talkDATAPRODUCTS CORP·Filed 1987·Granted Nov 29, 1988·32 cites·14 claims
- 1272US6050679AInk jet printer transducer array with stacked or single flat plate elementHITACHI KOKI IMAGING SOLUTIONS·Filed 1996·Granted Apr 18, 2000·31 cites·41 claims
- 1355US6394589B1Ink jet printhead with reduced crosstalkHITACHI KOKI KK·Filed 1999·Granted May 28, 2002·15 cites·14 claims
- 1447US6932458B2Obtaining high frequency performance by controlling chamber pressureRICOH PRINTING SYSTEMS AMERICA·Filed 2002·Granted Aug 23, 2005·4 cites·48 claims
- 1530US6893112B2Structurally isolated inertial transducers for a printing systemRICOH PRINTING SYSTEMS AMERICA·Filed 2003·Granted May 17, 2005·0 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →