Thomas A. Johnson
43Patents
15h-index
41Co-inventors
81Inventor score
Filing activity: Feb 26, 1981 → Jul 25, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4783917A | Wrist band | Physics | 88 | Expired |
| US4356646A | Card holder | Physics | 56 | Expired |
| US6439520B1 | Photo frame | Human Necessities | 40 | Expired |
| US4930623A | Conveyor system and integral one-piece extended guidetrack | Performing Operations; Transporting | 39 | Expired |
| US6257906A | Functionally illuminated electronic connector with improved light dispersion | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6259409A | Retractable sliding antenna assembly for wireless communication | Electricity | 36 | Expired |
| US5989042A | Electrical connector for use between shielded media connectors and computer communications cards | Electricity | 34 | Expired |
| US6573868B2 | Retractable antenna for electronic devices | Electricity | 34 | Expired |
| US6457992B2 | Visual feedback system for electronic device | Electricity | 32 | Expired |
| US6111600A | Extended-reach sewer inspection device | Performing Operations; Transporting | 27 | Expired |
| US6599152B1 | Contact pin design for a modular jack | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6273735A | Rotating turret side-entry retractable jack | Electricity | 22 | Expired |
| US6375479B1 | Retractable connector with an alignment mechanism for use with electronic devices | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6135786A | Removable modular connector for connecting an electronic device to a communications card | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6152779A | Connector shield | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6102714A | Electrical connectors having dual biased contact pins | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8035374B1 | Pipe stress detection tool using magnetic barkhausen noise | Fixed Constructions | 14 | Active |
| US6469668B1 | Method and apparatus for connection to a rotatable antenna | Electricity | 13 | Expired |
| US6116927A | Electrical connector for use between media connectors and computer communications cards | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8797033B1 | Stress detection tool using magnetic barkhausen noise | Fixed Constructions | 11 | Active |
| US6071130A | Surface mounted contact block | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6325674A | Card edge connector for a modular jack | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6488543B2 | Modular jack for type III PCMCIA cards | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6742296B2 | System for mounting front-loaded photographs | Human Necessities | 9 | Expired |
| US5143198A | Turnable cylinder for a conveyor system | Performing Operations; Transporting | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.