David E. Richter
14Patents
14h-index
9Co-inventors
63Inventor score
Filing activity: Jul 5, 1991 → Jun 19, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5848264A | Debug and video queue for multi-processor chip | Physics | 187 | Expired |
| US5481684A | Emulating operating system calls in an alternate instruction set using a modified code segment descriptor | Physics | 155 | Expired |
| US5781750A | Dual-instruction-set architecture CPU with hidden software emulation mode | Physics | 148 | Expired |
| US5781457A | Merge/mask, rotate/shift, and boolean operations from two instruction sets executed in a vectored mux on a dual-ALU | Physics | 125 | Expired |
| US5481693A | Shared register architecture for a dual-instruction-set CPU | Physics | 121 | Expired |
| US5455909A | Microprocessor with operation capture facility | Physics | 106 | Expired |
| US5685009A | Shared floating-point registers and register port-pairing in a dual-architecture CPU | Physics | 84 | Expired |
| US5664159A | Method for emulating multiple debug breakpoints by page partitioning using a single breakpoint register | Physics | 72 | Expired |
| US5440710A | Emulation of segment bounds checking using paging with sub-page validity | Physics | 69 | Expired |
| US5652872A | Translator having segment bounds encoding for storage in a TLB | Physics | 51 | Expired |
| US6076155A | Shared register architecture for a dual-instruction-set CPU to facilitate data exchange between the instruction sets | Physics | 38 | Expired |
| US5598553A | Program watchpoint checking using paging with sub-page validity | Physics | 28 | Expired |
| US5805918A | Dual-instruction-set CPU having shared register for storing data before switching to the alternate instruction set | Physics | 26 | Expired |
| US5274791A | Microprocessor with OEM mode for power management with input/output intiated selection of special address space | Physics | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.