Inventor

Richard A. Schumacher

Inventor

Dallas, TX, US

Overview

1991–2019

Patent span

Electricity

Primary field (CPC H)

Patents· 48 as inventor

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

H05Kprimary

H05KPrinted circuits29%

H01RElectrically-conductive connections26%

Y10TTechnical subjects covered by former us classification12%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h106%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%

H01BCables3%

H04BTransmission3%

G01RMeasuring electric variables2%

G02BOptical elements, systems or apparatus2%

PatentTitleYear

10,270,210Communications connectors including transmission lines having impedance discontinuities that improve return loss and/or insertion loss performance and related methods2019 10,069,258Crosstail-shaped conductive spacer extending rearwardly from a printed circuit board2018 9,905,973'Communications connectors including transmission lines having impedance discontinuities that improve return loss and/or insertion loss performance and related methods'2018 9,819,131'RJ-45 communication plug with plug blades received in apertures in a front edge of a printed circuit board'2017 9,799,993'Communications plugs and patch cords with mode conversion control circuitry'2017 9,787,030'Patch cord having a plug contact with a signal injection point in its middle'2017 9,577,394'RJ-45 communications plug having a printed circuit board within a housing and a lossy dielectric material inbetween'2017 9,570,855'Patch cord having a plug with contacts having a curved segment extending forwardly of a front edge of a printed circuit board'2017 9,559,466'Communications plugs and patch cords with mode conversion control circuitry'2017 9,537,262'Printed circuit boards for communications connectors having openings that improve return loss and/or insertion loss performance and related connectors and methods'2017 9,509,107'Communication patch cord having a plug with contact blades connected to conductors of a cable'2016 9,455,765'Communications connectors having frequency dependent communications paths and related methods'2016 9,380,710'Printed circuit boards for communications connectors having openings that improve return loss and/or insertion loss performance and related connectors and methods'2016 9,337,584'Patch cord having a plug contact with a signal injection point in its middle'2016 9,287,670'Patch cord having a plug with a conductive shield between differential pairs formed by conductors of a cable'2016 9,234,915'Signal sensing device and circuit boards'2016 9,209,569'Communications connectors including transmission lines having impedance discontinuities that improve return loss and/or insertion loss performance and related methods'2015 9,112,320'Communications connectors having electrically parallel sets of contacts'2015 9,054,460'Communication plug having a printed circuit board with surface mounted blades'2015 9,011,182'Communications plugs and patch cords with mode conversion control circuitry'2015 8,920,199'Patch cord having a plug with differential transmission lines'2014 8,915,756'Communication connector having a printed circuit board with thin conductive layers'2014 8,894,447'Communication plug having a plurality of coupled conductive paths'2014 8,858,267'Communications plugs and patch cords with mode conversion control circuitry'2014 7,625,214'High density power connector with impedance control'2009 7,545,651'Memory module with a predetermined arrangement of pins'2009 7,540,746'Electrical encoding of cable types and configurations'2009 7,519,245'Modular array computer with optical intercell communications pathways'2009 7,212,424'Double-high DIMM with dual registers and related methods'2007 7,005,955'Inductor or transformer having a ferromagnetic core that is formed on a printed circuit board'2006 6,958,445'Electromagnetic interference shield for electronic devices on a circuit board'2005 6,837,626'Electro-optical connector'2005 6,748,458'Modular input/output expansion system for an external computer'2004 6,623,303'Cable shield termination system using clamps and ferrules'2003 6,566,973'EMI enclosure having a waveguide for cables'2003 6,545,220'Shielded cable system for high speed cable termination'2003 6,540,531'Clamp system for high speed cable termination'2003 6,194,024'Via fill compositions for direct attach of devices and methods for applying same'2001 6,134,772'Via fill compositions for direct attach of devices and methods of applying same'2000 5,940,278'Backing plate for gate arrays or the like carries auxiliary components and provides probe access to electrical test points'1999 5,823,795'Connector between a daughterboard and a motherboard for high-speed single-ended electrical signals'1998 5,766,670'Via fill compositions for direct attach of devices and methods for applying same'1998 5,571,593'Via fill compositions for direct attach of devices and methods for applying same'1996 5,381,306'Method and apparatus for delivering power using a multiplane power via matrix'1995 5,305,186'Power carrier with selective thermal performance'1994 5,221,420'Etching method for increased circuitized line width and uniformity'1993 5,214,250'Method of reworking circuit panels, and circuit panels reworked thereby'1993 5,027,253'Printed circuit boards and cards having buried thin film capacitors and processing techniques for fabricating said boards and cards'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2001Patents assigned to IBM (8)· patent assignee history

1991–2001Based in Endicott, NY, US· patent location history

1995–2019Based in Dallas, TX, US· patent location history

1998–2003Patents assigned to HEWLETT PACKARD CO (3)· patent assignee history

2003–2009Patents assigned to HEWLETT PACKARD DEVELOPMENT CO (12)· patent assignee history

2009Based in Richardson, TX, US· patent location history

2014–2016Patents assigned to COMMSCOPE INC (11)· patent assignee history

2016–2019Patents assigned to COMMSCOPE INC NORTH CAROLINA (12)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
COMMSCOPE INC NORTH CAROLINA	12	2016–2019
HEWLETT PACKARD DEVELOPMENT CO	12	2003–2009
COMMSCOPE INC	11	2014–2016
IBM	8	1991–2001
HEWLETT PACKARD CO	3	1998–2003

Locations

Location	Patents	Span
Dallas, Texas, US	38	1995–2019
Endicott, New York, US	8	1991–2001
Richardson, Texas, US	2	2009