Gregory D. Johnson
42Patents
11h-index
46Co-inventors
75Inventor score
Filing activity: Apr 18, 1997 → Aug 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8496544B2 | Golf club with improved performance characteristics | Human Necessities | 142 | Active |
| US7918747B2 | Golf club head having a grooved face | Human Necessities | 69 | Active |
| US6560226B1 | System and method for caching ported number information | Electricity | 36 | Expired |
| US8784228B2 | Swing measurement golf club with sensors | Human Necessities | 29 | Active |
| US8342981B2 | Golf club head having a grooved face | Human Necessities | 24 | Active |
| US8579729B2 | Wedge type golf club head | Human Necessities | 21 | Active |
| US8678947B2 | Golf club groove configuration | Human Necessities | 15 | Active |
| US7976405B2 | Golf club groove configuration | Human Necessities | 14 | Active |
| US8491414B2 | Wedge type golf club head | Human Necessities | 13 | Active |
| US8210966B2 | Golf club groove configuration | Human Necessities | 11 | Active |
| US6860145B2 | Chassis dynamometer | Physics | 11 | Expired |
| US11027178B2 | Golf club head with improved inertia performance | Human Necessities | 8 | Active |
| US8240021B2 | Golf club groove configuration | Emerging Cross-Sectional Technologies | 8 | Active |
| US9144718B2 | Golf club with improved performance | Human Necessities | 8 | Active |
| US6135531A | Truck trailer scuff liner | Performing Operations; Transporting | 8 | Expired |
| US11213730B2 | Golf club head with improved inertia performance | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US8142309B2 | Golf club head having a grooved face | Human Necessities | 5 | Active |
| US9211456B2 | Golf club with improved weight distribution | Human Necessities | 5 | Active |
| US8845451B2 | Fitting system for a golf club | Human Necessities | 5 | Active |
| US8821306B2 | Fitting system for a golf club | Human Necessities | 5 | Active |
| US9192833B2 | Golf club with improved weight distribution | Human Necessities | 4 | Active |
| US8128512B2 | Golf club groove configuration | Human Necessities | 4 | Active |
| US9694265B2 | Golf club with improved weight distribution | Human Necessities | 4 | Active |
| US9211450B2 | Wedge type golf club head | Human Necessities | 3 | Active |
| US11331546B2 | Golf club head with improved inertia performance | Human Necessities | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.