Ian Johnson
14Patents
7h-index
20Co-inventors
66Inventor score
Filing activity: Mar 18, 1985 → Jul 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD560725S1 | Gaming machine | General | 264 | Expired |
| USD560724S1 | Gaming machine | General | 256 | Expired |
| USD406612S | Gaming machine | General | 139 | Expired |
| US6678919B1 | Hinge assembly for gaming machine belly door | Fixed Constructions | 16 | Expired |
| US4624880A | Shaped article of composition comprising thermoplastic synthetic resin and cellular material and method of producing same | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD463828S1 | Push button | General | 14 | Expired |
| USD452535S | Door for gaming machine | General | 9 | Expired |
| US6945685B1 | Light chamber for door for gaming machine | Human Necessities | 7 | Expired |
| USD592888S1 | Support stand | General | 6 | Expired |
| US11964696B2 | Structural frame for the body of a motor vehicle | Performing Operations; Transporting | 0 | Active |
| US11697965B2 | Ladder safely mechanisms | Fixed Constructions | 0 | Active |
| US10205114B2 | Organic light-emitting compositions having multiple triplet-accepting materials, and devices and methods thereof | Chemistry; Metallurgy | 0 | Active |
| US12241051B2 | Method for forming a porous cell substrate | Chemistry; Metallurgy | 0 | Active |
| US10648236B2 | Ladder safety mechanisms | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.