Inventor

John D. Larson, III

Inventor
Palo Alto, CA, US

Overview

78→
Patents
1980–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 78 as inventor

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

H03Hprimary
H03HImpedance networks, e.g. resonant circuits41%
Y10TTechnical subjects covered by former us classification17%
C23CCoating metallic material4%
G01RMeasuring electric variables4%
G10KSound-producing devices4%
H10NElectric solid-state devices not otherwise provided for4%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h104%
G01NInvestigating or analysing materials by determining their chemical or physical properties3%
G01SRadio direction-finding3%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers3%
PatentTitleYear
10,284,168Bulk acoustic wave resonator201910,177,735Surface acoustic wave (SAW) resonator20199,679,765'Method of fabricating rare-earth doped piezoelectric material with various amounts of dopants and a selected C-axis orientation'20179,243,316'Method of fabricating piezoelectric material with selected c-axis orientation'20169,225,313'Bulk acoustic wave resonator having doped piezoelectric layer with improved piezoelectric characteristics'20159,088,265'Bulk acoustic wave resonator comprising a boron nitride piezoelectric layer'20159,048,812'Bulk acoustic wave resonator comprising bridge formed within piezoelectric layer'20158,796,904'Bulk acoustic resonator comprising piezoelectric layer and inverse piezoelectric layer'20148,673,121'Method of fabricating piezoelectric materials with opposite C-axis orientations'20148,587,391'Acoustic coupling layer for coupled resonator filters and method of fabricating acoustic coupling layer'20137,852,644'AC-DC power converter'20107,841,055'Method of manufacturing vertically separated acoustic filters and resonators'20107,802,349'Manufacturing process for thin film bulk acoustic resonator (FBAR) filters'20107,795,997'Apparatus and method for measuring an environmental condition'20107,737,807'Acoustic galvanic isolator incorporating series-connected decoupled stacked bulk acoustic resonators'20107,675,390'Acoustic galvanic isolator incorporating single decoupled stacked bulk acoustic resonator'20107,615,833'Film bulk acoustic resonator package and method of fabricating same'20097,612,636'Impedance transforming bulk acoustic wave baluns'20097,613,076'Acoustic power transformer including lens'20097,563,475'Vertically separated acoustic filters and resonators'20097,562,429'Suspended device and method of making'20097,561,009'Film bulk acoustic resonator (FBAR) devices with temperature compensation'20097,525,398'Acoustically communicating data signals across an electrical isolation barrier'20097,463,499'AC-DC power converter'20087,427,819'Film-bulk acoustic wave resonator with motion plate and method'20087,424,772'Stacked bulk acoustic resonator band-pass filter with controllable pass bandwidth'20087,425,787'Acoustic galvanic isolator incorporating single insulated decoupled stacked bulk acoustic resonator with acoustically-resonant electrical insulator'20087,423,503'Acoustic galvanic isolator incorporating film acoustically-coupled transformer'20087,408,428'Temperature-compensated film bulk acoustic resonator (FBAR) devices'20087,400,217'Decoupled stacked bulk acoustic resonator band-pass filter with controllable pass bandwith'20087,391,285'Film acoustically-coupled transformer'20087,388,455'Film acoustically-coupled transformer with increased common mode rejection'20087,367,095'Method of making an acoustically coupled transformer'20087,362,198'Pass bandwidth control in decoupled stacked bulk acoustic resonator devices'20087,358,831'Film bulk acoustic resonator (FBAR) devices with simplified packaging'20087,358,651'Apparatus and method for detecting a target environmental variable that employs film-bulk acoustic wave resonator oscillators'20087,332,985'Cavity-less film bulk acoustic resonator (FBAR) devices'20087,312,675'Vertically separated acoustic filters and resonators'20077,275,292'Method for fabricating an acoustical resonator on a substrate'20077,242,270'Decoupled stacked bulk acoustic resonator-based band-pass filter'20077,173,504'Impedance transformation ratio control in film acoustically-coupled transformers'20077,091,649'Film acoustically-coupled transformers with two reverse c-axis piezoelectric elements'20067,038,559'Vertically separated acoustic filters and resonators'20067,019,605'Stacked bulk acoustic resonator band-pass filter with controllable pass bandwidth'20066,987,433'Film acoustically-coupled transformer with reverse C-axis piezoelectric material'20066,954,121'Method for controlling piezoelectric coupling coefficient in film bulk acoustic resonators and apparatus embodying the method'20056,946,928'Thin-film acoustically-coupled transformer'20056,927,651'Acoustic resonator devices having multiple resonant frequencies and methods of making the same'20056,874,211'Method for producing thin film bulk acoustic resonators (FBARs) with different frequencies on the same substrate by subtracting method and apparatus embodying the method'20056,874,212'Method of making an acoustic wave resonator'20056,824,653'Magnetron with controlled DC power'20046,787,048'Method for producing thin bulk acoustic resonators (FBARs) with different frequencies on the same substrate by subtracting method and apparatus embodying the method'20046,668,618'Systems and methods of monitoring thin film deposition'20036,651,488'Systems and methods of monitoring thin film deposition'20036,617,249'Method for making thin film bulk acoustic resonators (FBARS) with different frequencies on a single substrate and apparatus embodying the method'20036,566,979'Method of providing differential frequency adjusts in a thin film bulk acoustic resonator (FBAR) filter and apparatus embodying the method'20036,550,664'Mounting film bulk acoustic resonators in microwave packages using flip chip bonding technology'20036,542,055'Integrated filter balun'20036,483,229'Method of providing differential frequency adjusts in a thin film bulk acoustic resonator (FBAR) filter and apparatus embodying the method'20026,472,954'Controlled effective coupling coefficients for film bulk acoustic resonators'20026,469,597'Method of mass loading of thin film bulk acoustic resonators (FBAR) for creating resonators of different frequencies and apparatus embodying the method'20026,424,237'Bulk acoustic resonator perimeter reflection system'20026,420,820'Acoustic wave resonator and method of operating the same to maintain resonance when subjected to temperature variations'20026,262,637'Duplexer incorporating thin-film bulk acoustic resonators (FBARs)'20016,215,375'Bulk acoustic wave resonator with improved lateral mode suppression'20015,661,445'Superconductive magnet assembly'19975,315,276'Compact superconducting magnet for magnetic resonance imaging'19945,263,004'Acoustic image acquisition using an acoustic receiving array with variable time delay'19935,252,922'Radiofrequency focusing of magnetic resonance images'19935,229,933'2-D phased array ultrasound imaging system with distributed phasing'19935,221,900'Magnet structure for focusing of magnetic resonance images'19935,187,403'Acoustic image signal receiver providing for selectively activatable amounts of electrical signal delay'19935,185,573'Method for focusing of magnetic resonance images'19935,165,414'Pointing error compensation in large aperture annular arrays'19925,016,642'Slow motion cardiac imaging'19914,482,834'Acoustic imaging transducer'19844,404,489'Acoustic transducer with flexible circuit board terminals'19834,240,003'Apparatus and method for suppressing mass/spring mode in acoustic imaging transducers'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1997Patents assigned to HEWLETT PACKARD CO (13)· patent assignee history
1980–2019Based in Palo Alto, CA, US· patent location history
2001–2006Patents assigned to AGILENT TECHNOLOGIES INC (21)· patent assignee history
2006–2010Patents assigned to AVAGO TECHNOLOGIES WIRELESS IP (23)· patent assignee history
2006–2015Patents assigned to LARSON III JOHN D (6)· patent assignee history
2008–2019Patents assigned to AVAGO TECHNOLOGIES GENERAL IP (17)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AVAGO TECHNOLOGIES WIRELESS IP232006–2010
AGILENT TECHNOLOGIES INC212001–2006
AVAGO TECHNOLOGIES GENERAL IP172008–2019
HEWLETT PACKARD CO131980–1997
LARSON III JOHN Dself62006–2015
Locations
LocationPatentsSpan
Palo Alto, California, US781980–2019