World's Best Scientists 2026 revealed!
Thomas M. Sparico

Thomas M. Sparico

D-Index & Metrics

Engineering and Technology

D-Index
39
Citations
14014
World Ranking
7495
National Ranking
2042

Thomas M. Sparico publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Thomas M. Sparico sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 61 publications — 1st percentile

1% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Thomas M. Sparico D-index placement in Engineering and Technology in 2026

The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Thomas M. Sparico sits on this spectrum.

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 39 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

What is he best known for?

The fields of study he is best known for:

  • The Internet
  • Computer network
  • Telecommunications

His main research concerns Slot machine, Simulation, Session, Computer network and Multimedia. His Simulation study combines topics in areas such as Game play and Operations research. In his study, Receipt is strongly linked to Telecommunications, which falls under the umbrella field of Session.

The Computer network study combines topics in areas such as Embedded system and Identification. Thomas M. Sparico has researched Embedded system in several fields, including Server and Network service. His biological study spans a wide range of topics, including Pager, Session ID and Human–computer interaction.

His most cited work include:

  • Remote gaming device (681 citations)
  • Automated play gaming device (582 citations)
  • A method and apparatus for the sale of airline-specified flight tickets (543 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of investigation include Multimedia, Session, Advertising, Slot machine and Simulation. His Multimedia study which covers Broadcast television systems that intersects with Video processing, Code and Video capture. His research in Session intersects with topics in Telecommunications and Pager.

His Slot machine studies intersect with other subjects such as Embedded system, Computer network, Human–computer interaction and Order. His work on Call control as part of general Computer network research is frequently linked to Preference data, Automatic number identification and Call volume, thereby connecting diverse disciplines of science. His Simulation study combines topics from a wide range of disciplines, such as Game play and Flat rate.

He most often published in these fields:

  • Multimedia (33.87%)
  • Session (20.97%)
  • Advertising (19.35%)

What were the highlights of his more recent work (between 2005-2013)?

  • Multimedia (33.87%)
  • Session (20.97%)
  • Outcome (9.68%)

In recent papers he was focusing on the following fields of study:

Thomas M. Sparico spends much of his time researching Multimedia, Session, Outcome, Game play and Simulation. The concepts of his Multimedia study are interwoven with issues in Human–computer interaction and Broadcast television systems. His biological study spans a wide range of topics, including Signal and Communication device.

His research on Simulation frequently links to adjacent areas such as Flat rate. His Payment research incorporates themes from Computer security and Identifier. Thomas M. Sparico merges Multiplier with Slot machine in his research.

Between 2005 and 2013, his most popular works were:

  • Method and apparatus for directing a game in accordance with speed of play (343 citations)
  • System and method for communicating game session information (306 citations)
  • Slot driven video story (290 citations)

In his most recent research, the most cited papers focused on:

  • The Internet
  • Computer network
  • World Wide Web

Thomas M. Sparico focuses on Multimedia, Session, Game play, Slot machine and Simulation. His study in Multimedia is interdisciplinary in nature, drawing from both Payment and Server. He mostly deals with Session ID in his studies of Session.

His Slot machine research overlaps with other disciplines such as Broadcast television systems, Video game, Service, Receipt and Entertainment. He integrates Simulation with Multiplier in his study.

Best Publications

  • System for adapting gaming devices to playing preferences

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico

  • Remote gaming device

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico

  • Automated play gaming device

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico

  • A method and apparatus for the sale of airline-specified flight tickets

    Jay S. Walker;Thomas M. Sparico;T. Scott Case

  • Gaming device for a flat rate play session and a method of operating same

    Jay S. Walker;James A. Jorasch;Geoffrey M. Gelman;Magdalena M. Fincham

  • Electronic gaming system offering premium entertainment services for enhanced player retention

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico

  • Method and apparatus for directing a game in accordance with speed of play

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico;Geoffrey M. Gelman

  • System and method for communicating game session information

    Jay S. Walker;James A. Jorasch;Geoffrey M. Gelman;Magdalena M. Fincham

  • Slot driven video story

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico;Jesse M. Fink

  • System and method for supplying supplemental information for video programs

    Jay S. Walker;James A. Jorasch;Robert R. Lech;Thomas M. Sparico

  • Method and apparatus for entertaining callers in a queue

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico;Michael D. Downs

  • Conditional purchase offer management system for event tickets

    Jay S. Walker;Robert R. Lech;Andrew S. Van Luchene;Thomas M. Sparico

  • Electronic gaming device offering a game of knowledge for enhanced payouts

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico

  • Method and apparatus for operating lotteries and for generating and processing lottery entries

    Jay S. Walker;Thomas M. Sparico;James A. Jorasch

  • Conditional purchase offer management system for cruises

    Jay S. Walker;Thomas M. Sparico;T. Scott Case;Bruce Schneier

  • Slot machine advertising/sales system and method

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico

  • Conditional lottery system

    Jay S. Walker;Thomas M. Sparico

  • A gaming device for operating in a reverse payout mode and a method of operating same

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico

  • System for syndication of insurance

    Jay S. Walker;Thomas M. Sparico

  • System and method for automated play of multiple gaming devices

    Jay S. Walker;James A. Jorasch;Thomas M. Sparico

Frequent Co-Authors

Jay S. Walker
Jay S. Walker Walker Digital (United States)
James A. Jorasch
James A. Jorasch Zynga (United States)
Geoffrey M. Gelman
Geoffrey M. Gelman Zynga (United States)
Andrew S. Van Luchene
Andrew S. Van Luchene JackRabbit Systems
Magdalena M. Fincham
Magdalena M. Fincham Finmeccanica (Italy)
Daniel E. Tedesco
Daniel E. Tedesco Zynga (United States)
Russell P. Sammon
Russell P. Sammon PayPal (United States)
Bruce Schneier
Bruce Schneier Harvard University
Stephen C. Tulley
Stephen C. Tulley Golder Associates (Australia)

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Best Scientists Citing Thomas M. Sparico