Sofia
Bulgaria
147
2026-05-21
The entities that hold a legal rights for patent applications filed by inventor Yantchev Ventsislav:
Ventsislav Yantchev from Sofia, BG has applied for patents for these inventions. The list has both pending applications and granted patents:
TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH SYMMETRIC DIAPHRAGM
#2 | 2026-01-29TRANSVERSELY-EXCITED FILM BULK ACOUSTIC FILTERS WITH EXCESS PIEZOELECTRIC MATERIAL REMOVED
#3 | 2025-07-31TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH OPTIMIZED PIEZOELECTRIC PLATE THICKNESS
#4 | 2025-05-29SOLIDLY-MOUNTED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC FILTERS WITH MULTIPLE PIEZOELECTRIC PLATE THICKNESSES
#5 | 2025-05-29TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH TWO-LAYER ELECTRODES HAVING A NARROWER TOP LAYER
#6 | 2025-05-22TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH SOLIDLY MOUNTED RESONATOR (SMR) PEDESTALS
#7 | 2025-05-08SOLIDLY-MOUNTED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS AND FILTERS
#8 | 2025-04-24SOLIDLY-MOUNTED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC FILTERS WITH EXCESS PIEZOELECTRIC MATERIAL REMOVED
#9 | 2025-03-27SOLIDLY-MOUNTED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC DEVICE
#10 | 2025-03-13TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH A CAVITY HAVING ROUND END ZONES
#11 | 2025-02-27FILTERS USING TRANSVERSLY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH FREQUENCY-SETTING DIELECTRIC LAYERS
#12 | 2025-02-13TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR PACKAGE
#13 | 2025-02-06DECOUPLED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS FOR HIGH POWER FILTERS
#14 | 2025-01-16FILTER USING TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH DIVIDED FREQUENCY-SETTING DIELECTRIC LAYERS
#15 | 2025-01-02TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR PACKAGE
#16 | 2024-11-14TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR
#17 | 2024-10-24TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH SYMMETRIC DIAPHRAGM
#18 | 2024-08-08Transversely-excited film bulk acoustic filters with symmetric layout
#19 | 2024-06-06Transversely-excited film bulk acoustic resonator with periodic etched holes
#20 | 2024-06-06XBAR resonators with non-rectangular diaphragms
#21 | 2024-05-16Transversely-excited film bulk acoustic resonators with two-layer electrodes having a narrower top layer
#22 | 2024-03-21ACOUSTIC WAVE DEVICE
#23 | 2024-02-01Solidly-mounted transversely-excited film bulk acoustic resonator
#24 | 2024-01-25Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch
#25 | 2024-01-18Filters using transversly-excited film bulk acoustic resonators with frequency-setting dielectric layers
#26 | 2024-01-18Transversely-excited film bulk acoustic resonator
#27 | 2023-11-16ACOUSTIC WAVE DEVICE
#28 | 2023-10-26Transversely-excited acoustic resonator with Z-cut lithium niobate plate
#29 | 2023-10-19ACOUSTIC WAVE DEVICE
#30 | 2023-10-12TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH THICK DIELECTRIC LAYER FOR IMPROVED COUPLING
#31 | 2023-10-05TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH REDUCED SPURIOUS MODES
#32 | 2023-09-28ACOUSTIC WAVE DEVICE
#33 | 2023-09-14Transversely-excited film bulk acoustic resonator with recessed rotated-Y-X cut lithium niobate
#34 | 2023-09-07Transversely-excited film bulk acoustic resonator with symmetric diaphragm
#35 | 2023-08-17ACOUSTIC WAVE DEVICE
#36 | 2023-06-01Transversely-excited film bulk acoustic resonator package and method
#37 | 2023-04-27Transversely-excited film bulk acoustic filters with symmetric layout
#38 | 2023-01-26TRANSVERSELY-EXCITED FILM BULK ACOUSTIC FILTERS WITH EXCESS PIEZOELECTRIC MATERIAL REMOVED
#39 | 2022-12-22XBAR devices with excess piezoelectric material removed
#40 | 2022-12-08FILTER DEVICE
#41 | 2022-11-24Solidly-mounted transversely-excited film bulk acoustic device and method
#42 | 2022-10-20TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH STRUCTURES TO REDUCE ACOUSTIC ENERGY LEAKAGE
#43 | 2022-10-06Transversely-excited film bulk acoustic resonators with solidly mounted resonator (SMR) pedestals
#44 | 2022-10-06Transversely-excited film bulk acoustic resonators with solidly mounted resonator (SMR) pedestals
#45 | 2022-09-01Filter using transversely-excited film bulk acoustic resonators with divided frequency-setting dielectric layers
#46 | 2022-08-18Symmetric transversely-excited film bulk acoustic resonators with reduced spurious modes
#47 | 2022-07-28Film bulk acoustic sensors using thin LN-LT layer
#48 | 2022-07-21Decoupled transversely-excited film bulk acoustic resonators for high power filters
#49 | 2022-07-14Transversely-excited film bulk acoustic resonator with diaphragm support pedestals
#50 | 2022-07-07Transversely-excited film bulk acoustic resonator with periodic etched holes
#51 | 2022-06-30Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch
#52 | 2022-05-26Transversely-excited film bulk acoustic resonators with structures to reduce acoustic energy leakage
#53 | 2022-05-26TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH IMPROVED EDGE EFFECTS
#54 | 2022-05-19Solidly-mounted transversely-excited film bulk acoustic filters with excess piezoelectric material removed
#55 | 2022-05-19XBAR devices with excess piezoelectric material removed
#56 | 2022-05-19Solidly-mounted transversely-excited film bulk acoustic resonator with diamond layers in Bragg reflector stack
#57 | 2022-05-19Forming XBAR devices with excess piezoelectric material removed
#58 | 2022-05-12Transversely-excited film bulk acoustic resonator with a front-side dielectric layer and optimized pitch and mark
#59 | 2022-05-12Transversely-excited film bulk acoustic resonator with tether-supported diaphragm
#60 | 2022-04-28Transversely-excited film bulk acoustic resonator with optimized piezoelectric plate thickness and having multiple pitches and marks
#61 | 2022-04-28TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH OPTIMIZED PIEZOELECTRIC PLATE THICKNESS
#62 | 2022-04-21Solidly-mounted transversely-excited film bulk acoustic filters with multiple piezoelectric plate thicknesses
#63 | 2022-04-21TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH OPTIMIZED PIEZOELECTRIC PLATE THICKNESS AND ELECTRODE MARK AND PITCH
#64 | 2022-04-21Transversely-excited film bulk acoustic resonator with multi-mark electrodes and optimized electrode thickness
#65 | 2022-04-21Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch
#66 | 2022-04-21Transversely-excited film bulk acoustic resonator with optimized electrode mark, and pitch
#67 | 2022-04-14Transversely-excited film bulk acoustic resonator with optimized electrode thickness, mark, and pitch
#68 | 2022-04-14Solidly-mounted transversely-excited film bulk acoustic resonators and filters for 27 GHz communications bands
#69 | 2022-03-31Filter using transversely-excited film bulk acoustic resonators with inductively coupled sub-resonators
#70 | 2022-03-24Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method
#71 | 2022-02-24Solidly-mounted transversely-excited film bulk acoustic device
#72 | 2022-02-24Transversely-excited film bulk acoustic resonator with tether-supported diaphragm
#73 | 2022-02-24ACOUSTIC RESONATORS WITH HIGH ACOUSTIC VELOCITY LAYERS
#74 | 2022-02-24Transversely-excited film bulk acoustic resonator with tether-supported diaphragm
#75 | 2022-01-27Transversely-excited film bulk acoustic resonator package and method
#76 | 2022-01-27Transversely-excited film bulk acoustic resonator package
#77 | 2022-01-27Transversely-excited film bulk acoustic resonator package and method
#78 | 2022-01-27Method of fabricating transversely-excited film bulk acoustic resonator
#79 | 2021-12-30Transversely-excited film bulk acoustic resonator with symmetric diaphragm
#80 | 2021-12-16Transversely-excited film bulk acoustic resonator with interdigital transducer with varied mark and pitch
#81 | 2021-12-16Transversely-excited film bulk acoustic resonator
#82 | 2021-12-09Bandpass filter with frequency separation between shunt and series resonators set by dielectric layer thickness
#83 | 2021-10-28Passive pressure sensor with a piezoelectric diaphragm and a non-piezoelectric substrate
#84 | 2021-10-21Film bulk acoustic resonator fabrication method
#85 | 2021-10-21Solidly-mounted transversely-excited film bulk acoustic resonator
#86 | 2021-10-07Transversely-excited film bulk acoustic resonator with multiple diaphragm thicknesses and fabrication method
#87 | 2021-10-07Transversely-excited film bulk acoustic resonator with reduced spurious modes
#88 | 2021-10-07Transversely-excited film bulk acoustic resonator with reduced spurious modes
#89 | 2021-10-07Transversely-excited film bulk acoustic resonator with reduced spurious modes
#90 | 2021-09-09High power acoustic resonators
#91 | 2021-09-09Transversely-excited film bulk acoustic resonator with a cavity having round end zones
#92 | 2021-09-02Solidly-mounted transversely-excited film bulk acoustic resonator with recessed interdigital transducer fingers using rotated y-x cut lithium niobate
#93 | 2021-09-02Split-ladder band N77 filter using transversely-excited film bulk acoustic resonators
#94 | 2021-09-02Transversely-excited film bulk acoustic resonator with reduced spurious modes
#95 | 2021-08-26Filters using transversly-excited film bulk acoustic resonators with frequency-setting dielectric layers
#96 | 2021-08-26Film bulk acoustic sensors using thin LN-LT layer
#97 | 2021-06-24High frequency, high power film bulk acoustic resonators
#98 | 2021-06-03Transversely-excited film bulk acoustic resonator with periodic etched holes
#99 | 2021-05-20Transversely-excited film bulk acoustic resonator with interdigital transducer with varied mark and pitch
#100 | 2021-05-13Filter using transversely-excited film bulk acoustic resonators with multiple frequency setting layers
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