John Chapman
6Patents
5h-index
4Co-inventors
56Inventor score
Filing activity: Aug 1, 2000 → May 20, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7293231B1 | Data entry for personal computing devices | Physics | 147 | Expired |
| US7716579B2 | Data entry for personal computing devices | Physics | 77 | Expired |
| US7921361B2 | Data entry for personal computing devices | Physics | 73 | Active |
| US7681124B2 | Data entry for personal computing devices | Physics | 8 | Active |
| US8210348B1 | Storage device for wrapping paper and associated supplies | Performing Operations; Transporting | 5 | Active |
| US12187848B2 | Compositions and methods for cellular delivery | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.