Inventor

DEROO DAVID T

US12 patents

⚠️ This page may combine multiple inventors who share the name “DEROO DAVID T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PACKARD BELL NEC

10 patents

US6009495ADec 28, 1999

Protected address range in an electrically erasable programmable read only memory

PACKARD BELL NEC64 citations95

US5872967AFeb 16, 1999

Apparatus to allow a CPU to control the relocation of code blocks for other CPUs

PACKARD BELL NEC10 citations73

US5809290ASep 15, 1998

Programmable hardware counter

PACKARD BELL NEC8 citations73

US5802376ASep 1, 1998

Write once read only registers

PACKARD BELL NEC15 citations73

US5742841AApr 21, 1998

Alternate I/O port access to standard register set

PACKARD BELL NEC9 citations73

US5987618ANov 16, 1999

Programmable hardware timer including two programmable hardware downcounters wherein the second downcounter counts in multiples of the first downcounter

PACKARD BELL NEC3 citations62

ZENITH DATA SYSTEMS CORP

1 patent

US5596713AJan 21, 1997

Method to prevent data loss in an electrically erasable read only memory

ZENITH DATA SYSTEMS CORP24 citations92

NEC CORP

1 patent

US6161162ADec 12, 2000

Multiprocessor system for enabling shared access to a memory

NEC CORP50 citations91

DEROO DAVID T

PACKARD BELL NEC

Protected address range in an electrically erasable programmable read only memory

Method for warm boot from reset

Method to store privileged data within the primary CPU memory space

Write inhibited registers

Write once read only registers

Apparatus to allow a CPU to control the relocation of code blocks for other CPUs

Programmable hardware counter

Write once read only registers

Alternate I/O port access to standard register set

Programmable hardware timer including two programmable hardware downcounters wherein the second downcounter counts in multiples of the first downcounter

ZENITH DATA SYSTEMS CORP

Method to prevent data loss in an electrically erasable read only memory

NEC CORP

Multiprocessor system for enabling shared access to a memory