Kenneth E. Irwin, Jr.
124Patents
14h-index
66Co-inventors
89Inventor score
Filing activity: Jun 22, 1994 → Oct 28, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5471039A | Electronic validation machine for documents | Physics | 214 | Expired |
| US5475205A | Document verification system | Electricity | 190 | Expired |
| US6053405A | Electronic verification machine for documents | Electricity | 186 | Expired |
| US5818019A | Electronic verification machine for validating a medium having conductive material printed thereon | Physics | 163 | Expired |
| US6491215B1 | Electronic verification machine for documents | Electricity | 109 | Expired |
| US5621200A | Electronic verification machine for validating a medium having conductive material printed thereon | Physics | 91 | Expired |
| US6379742B1 | Lottery ticket structure | Emerging Cross-Sectional Technologies | 89 | Expired |
| US5599046A | Lottery ticket structure with circuit elements | Emerging Cross-Sectional Technologies | 76 | Expired |
| US6875105B1 | Lottery ticket validation system | Electricity | 69 | Expired |
| US5997044A | Document structure with circuit elements | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6435408B1 | Electronic verification machine for documents | Electricity | 44 | Expired |
| US6776337B2 | Electronic verification machine for documents | Electricity | 44 | Expired |
| US9666023B2 | Logistics methods for processing lottery and contest tickets with generic hardware | Physics | 20 | Active |
| US8408986B2 | Internet based lottery redemption system and methods | Physics | 19 | Active |
| US7252222B2 | Embedded optical signatures in documents | Physics | 14 | Expired |
| US10185522B2 | Linking secure and non-secure digital imaging using digital imagers for production of lottery tickets or other documents | Performing Operations; Transporting | 14 | Active |
| US10183213B2 | Enhanced security instant tickets via homogeneous utilization of display/overprint/backing and variable indicia | Human Necessities | 14 | Active |
| US7867075B2 | Game apparatus | Emerging Cross-Sectional Technologies | 14 | Active |
| US8033905B2 | Preprinted lottery tickets using a player activated electronic validation machine | Emerging Cross-Sectional Technologies | 13 | Active |
| US8512123B2 | Method and associated lottery game card/ticket for play of multiple game components | Physics | 12 | Active |
| US7788482B2 | System and method for securing on-line documents using authentication codes | Electricity | 12 | Expired |
| US11037410B2 | Method of allowing a player to wager via an augmented reality device on a real world event displayed on a virtual video display that is being viewed by the augmented reality device | Electricity | 12 | Active |
| USD590450S1 | Lottery ticket game device | General | 11 | Expired |
| US10232247B2 | Instant ticket redundancy via multi-chromatic indicia | Performing Operations; Transporting | 10 | Active |
| US10377162B2 | Instant ticket redundancy via multi-chromatic indicia | Physics | 10 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.