Rex L. James
27Patents
6h-index
16Co-inventors
58Inventor score
Filing activity: Sep 30, 1974 → Mar 8, 1982
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4028538A | Programmable calculator employing algebraic language | Physics | 22 | Expired |
| US4145742A | Programmable calculator including user-definable keys | Physics | 20 | Expired |
| US4089059A | Programmable calculator employing a read-write memory having a movable boundary between program and data storage sections thereof | Physics | 11 | Expired |
| US4152769A | Programmable calculator including means for permitting data entry during program execution | Physics | 6 | Expired |
| US4156917A | Programmable calculator including separate user program and data memory areas | Physics | 6 | Expired |
| US4178633A | Programmable calculator including multifunction keys | Physics | 6 | Expired |
| US4181965A | Programmable calculator including program trace means | Physics | 5 | Expired |
| US4156918A | Programmable calculator including means for performing computed jumps during program execution | Physics | 5 | Expired |
| US4152771A | Programmable calculator including display means for signalling the user to indicate the exhaustion of a printer paper supply | Physics | 5 | Expired |
| US4161031A | Programmable calculator including boolean flag variable means | Physics | 4 | Expired |
| US4177518A | Programmable calculator including scrolling alphanumeric display means | Physics | 3 | Expired |
| US4566072A | Programmable calculator including means for digitizing the position of an X-Y plotter pen | Physics | 3 | Expired |
| US4187547A | Programmable calculator including means for controllably introducing blank lines on a printed record during program execution | Physics | 3 | Expired |
| US4158233A | Programmable calculator including means for performing implied multiply operations | Physics | 3 | Expired |
| US4156285A | Programmable calculator including keyboard functions whose argument may be a numeric constant, a storage register, or an arithmetic expression | Physics | 2 | Expired |
| US4159525A | Programmable calculator employing computed memory addresses | Physics | 2 | Expired |
| US4152770A | Programmable calculator including means for programmably controlling magnetic storage units | Physics | 2 | Expired |
| US4152774A | Programmable calculator including keyboard function means for raising the number ten to any designated power | Physics | 2 | Expired |
| US4158228A | Programmable calculator including alphanumeric error display means | Physics | 2 | Expired |
| US4156282A | Programmable calculator including relational operator means | Physics | 2 | Expired |
| US4158231A | Programmable calculator including program listing means | Physics | 2 | Expired |
| US4162532A | Programmable calculator including data format display control means | Physics | 2 | Expired |
| US4281390A | Programmable calculator including means for performing computed and uncomputed relative branching during program execution | Physics | 2 | Expired |
| US4330839A | Programmable calculator including means for automatically processing imformation stored on a magnetic record member | Physics | 1 | Expired |
| US4152773A | Programmable calculator including means for establishing a priority for executing algebraic operations | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.