P

Inventor

ZHANG XUBAI

US24 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG XUBAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PARATEK MICROWAVE INC

20 patents
US6774077B2Aug 10, 2004

Electronically tunable, low-loss ceramic materials including a tunable dielectric phase and multiple metal oxide phases

PARATEK MICROWAVE INC172 citations99
US6531936B1Mar 11, 2003

Voltage tunable varactors and tunable devices including such varactors

PARATEK MICROWAVE INC299 citations99
US6514895B1Feb 4, 2003

Electronically tunable ceramic materials including tunable dielectric and metal silicate phases

PARATEK MICROWAVE INC304 citations99
US6377142B1Apr 23, 2002

Voltage tunable laminated dielectric materials for microwave applications

PARATEK MICROWAVE INC278 citations99
US6377440B1Apr 23, 2002

Dielectric varactors with offset two-layer electrodes

PARATEK MICROWAVE INC286 citations99
US6377217B1Apr 23, 2002

Serially-fed phased array antennas with dielectric phase shifters

PARATEK MICROWAVE INC427 citations99
US6876279B2Apr 5, 2005

Voltage tunable laminated dielectric materials for a coplanor waveguide

PARATEK MICROWAVE INC35 citations96
US6864840B2Mar 8, 2005

Serially-fed phased array antennas with dielectric phase shifters

PARATEK MICROWAVE INC44 citations96
US6683516B2Jan 27, 2004

Voltage tunable laminated dielectric materials for microwave applications such as a tunable cavity

PARATEK MICROWAVE INC37 citations96
US7145415B2Dec 5, 2006

Electrically tunable filters with dielectric varactors

PARATEK MICROWAVE INC39 citations92
US7056468B2Jun 6, 2006

Method for producing low-loss tunable ceramic composites with improved breakdown strengths

PARATEK MICROWAVE INC24 citations92
US6794960B2Sep 21, 2004

Voltage tunable laminated dielectric materials for microwave waveguide applications

PARATEK MICROWAVE INC20 citations92
US6686814B2Feb 3, 2004

Voltage tunable varactors and tunable devices including such varactors

PARATEK MICROWAVE INC24 citations92
US6683517B2Jan 27, 2004

Voltage tunable laminated dielectric materials for microwave applications such as a coaxial cable

PARATEK MICROWAVE INC20 citations92
US7557055B2Jul 7, 2009

Tunable low loss material composition

PARATEK MICROWAVE INC32 citations90
US6960546B2Nov 1, 2005

Dielectric composite materials including an electronically tunable dielectric phase and a calcium and oxygen-containing compound phase

PARATEK MICROWAVE INC29 citations86
US7808765B2Oct 5, 2010

Varactors including interconnect layers

PARATEK MICROWAVE INC11 citations81
US7960302B2Jun 14, 2011

Tunable low loss ceramic composite compounds based on a barium strontium titanate/barium magnesium tantalate/niobate

PARATEK MICROWAVE INC10 citations79
US7297650B2Nov 20, 2007

Method for producing low-loss tunable ceramic composites with improved breakdown strengths

PARATEK MICROWAVE INC9 citations74
US7807477B2Oct 5, 2010

Varactors and methods of manufacture and use

PARATEK MICROWAVE INC1 citations60

SENGUPTA LOUISE C

2 patents

ZHANG XUBAI

1 patent

BLACKBERRY LTD

1 patent