Inventor

David C. Douglas

Inventor
Concord, MA, US

Overview

28→
Patents
1992–2017
Patent span
Electricity
Primary field (CPC H)

Patents· 28 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication21%
G06FElectric digital data processing18%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1014%
H04WWireless communication networks7%
G02BOptical elements, systems or apparatus5%
H05KPrinted circuits5%
G01NInvestigating or analysing materials by determining their chemical or physical properties4%
G05BControl or regulating systems in general4%
H10DInorganic electric semiconductor devices4%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
PatentTitleYear
9,773,718'Winged heat sink'20179,689,850'Managing atmospheric conditions of a test computing device'20179,632,068'Setting atmospheric conditions for a test computing device'20179,381,387'Fire-protection mechanism'20168,487,429'Assembly of multi-chip modules using sacrificial features'20138,476,749'High-bandwidth ramp-stack chip package'20138,390,109'Chip package with plank stack of semiconductor dies'20138,373,280'Manufacturing fixture for a ramp-stack chip package using solder for coupling a ramp component'20138,290,319'Optical communication in a ramp-stack chip package'20128,283,766'Ramp-stack chip package with static bends'20127,962,655'Using an identity-based communication layer for computing device communication'20117,958,226'Identifying a computer device'20117,949,436'Method and apparatus for automatically detecting and correcting misalignment of a semiconductor chip'20117,853,983'Communicating data from a data producer to a data receiver'20107,805,606'Computer system for authenticating a computing device'20107,763,396'Method and apparatus for fabricating semiconductor chips using varying areas of precision'20107,054,905'Replacing an email attachment with an address specifying where the attachment is stored'20066,969,239'Apparatus and method for damping vibrations between a compressor stator vane and a casing of a gas turbine engine'20056,449,667'Tree network including arrangement for establishing sub-tree having a logical root below the network\'s physical root'20026,219,775'Massively parallel computer including auxiliary vector processor'20015,872,987'Massively parallel computer including auxiliary vector processor'19995,680,550'Digital computer for determining a combined tag value from tag values selectively incremented and decremented reflecting the number of messages transmitted and not received'19975,590,283'Parallel computer system with physically separate tree networks for data and control messages'19965,530,809'Router for parallel computer including arrangement for redirecting messages'19965,353,412'Partition control circuit for separately controlling message sending of nodes of tree-shaped routing network to divide the network into a number of partitions'19945,333,268'Parallel computer system'19945,265,207'Parallel computer system including arrangement for transferring messages from a source processor to selected ones of a plurality of destination processors and combining responses'19935,148,547'Method and apparatus for interfacing bit-serial parallel processors to a coprocessor'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–2001Patents assigned to THINKING MACHINES CORP (8)· patent assignee history
1992Based in Boston, MA, US· patent location history
1993–2011Based in Concord, MA, US· patent location history
2005Based in Hamilton, OH, US· patent location history
2010–2013Patents assigned to ORACLE AMERICA INC (8)· patent assignee history
2010–2017Based in Palo Alto, CA, US· patent location history
2011–2017Patents assigned to ORACLE INT CORP (5)· patent assignee history
2012–2016Patents assigned to DOUGLAS DAVID C (7)· patent assignee history
2012–2013Patents assigned to DROST ROBERT J (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ORACLE AMERICA INC82010–2013
THINKING MACHINES CORP81992–2001
DOUGLAS DAVID Cself72012–2016
ORACLE INT CORP52011–2017
DROST ROBERT J42012–2013
Locations
LocationPatentsSpan
Concord, Massachusetts, US141993–2011
Palo Alto, California, US122010–2017
Hamilton, OH, US12005
Boston, Massachusetts, US11992