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Inventor

Masafumi Iwaki

Inventor
Tokyo, JP

Overview

69→
Patents
2007–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 69 as inventor

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

H03Hprimary
H03HImpedance networks, e.g. resonant circuits73%
Y10TTechnical subjects covered by former us classification8%
H10NElectric solid-state devices not otherwise provided for4%
H01LSemiconductor devices3%
H03KPulse technique2%
H04BTransmission2%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h102%
B81BMicrostructural devices or systems, e.g. micromechanical devices1%
B81CProcesses or apparatus specially adapted for the manufacture or treatment of microstructural devices or systems1%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock1%
PatentTitleYear
11,108,375Acoustic wave device, method of fabricating the same, filter, and multiplexer202110,812,039Acoustic wave resonator, filter, and multiplexer202010,763,822Acoustic wave resonator, filter, and multiplexer202010,700,662Acoustic wave device, filter, and multiplexer202010,483,944Multiplexer201910,461,718Acoustic wave resonator, filter, and multiplexer201910,361,678Acoustic wave resonator, filter, and duplexer201910,355,668Acoustic wave device201910,270,425Acoustic wave resonator, filter, and multiplexer20199,887,343'Acoustic wave element'20189,825,609'Laterally coupled multi-mode monolithic filter'20179,742,377'Filter and duplexer'20179,559,661'Duplexer, filter and communication module'20179,397,634'Filter, duplexer and communication module'20169,270,263'Switching device and module'20169,240,769'Piezoelectric thin film resonator, filter, communication module and communication device'20169,219,467'Duplexer, filter and communication module'20159,203,377'Duplexer'20159,148,106'Acoustic wave device'20159,148,107'Method for manufacturing acoustic wave device'20159,148,119'Filter and duplexer'20159,093,976'Switching device and module'20159,065,419'Ladder filter, duplexer and module'20159,035,722'Ladder filter, duplexer and module'20158,970,320'Filter circuit, duplexer and RF module'20158,912,971'Filter, duplexer and electronic device'20148,907,740'Duplexer'20148,854,158'Elastic wave device and method for manufacturing the same'20148,847,700'Filter, duplexer, communication module, communication device'20148,766,744'Duplexer and electronic device having the same'20148,756,777'Method of manufacturing a ladder filter'20148,736,149'Electronic component with metal plate above element and fabrication method of the same, and electronic device including the same'20148,723,623'Acoustic wave device, method of manufacturing acoustic wave device and transmission apparatus'20148,653,908'Film bulk acoustic resonator, filter, communication module and communication apparatus'20148,648,670'Filter, duplexer and communication module'20148,552,820'Filter, duplexer and communication module'20138,450,906'Piezoelectric thin-film resonator'20138,378,760'Duplexer, communication module, and communication device'20138,305,159'Piezoelectric thin film resonator, filter using the resonator, duplexer using the filter, and communication equipment using the filter or the duplexer'20128,279,021'Duplexer'20128,240,015'Method of manufacturing thin film resonator'20128,228,138'Filter element, duplexer and electronic device having piezoelectric thin-film resonators stacked vertically'20128,125,297'Filter, duplexer, and communication apparatus'20128,125,123'Piezoelectric thin film resonant element and circuit component using the same'20128,125,298'Acoustic wave filter, duplexer using the acoustic wave filter, and communication apparatus using the duplexer'20128,093,962'Filter, duplexer and communication apparatus'20128,085,115'Piezoelectric thin film resonator, filter, and communication apparatus'20118,084,919'Piezoelectric thin-film resonator, filter using the same, and duplexer using the same'20118,018,298'Acoustic wave device, filter and duplexer'20117,952,257'Piezoelectric thin-film resonator'20117,941,103'Duplexer'20117,884,527'Piezoelectric thin-film resonator and filter using the same'20117,872,548'Antenna duplexer'20117,833,430'Method for fabricating microstructure and microstructure'2010RE041813'Piezoelectric thin-film resonator and filter using the same'20107,786,649'Filter and duplexer'20107,755,453'Duplexer'20107,737,806'Piezoelectric thin-film resonator and filter'20107,579,761'Piezoelectric thin-film resonator and filter'20097,573,354'Duplexer and ladder type filter'20097,567,023'Piezoelectric thin-film resonator and filter using the same'20097,545,077'Filter having multiple piezoelectric thin-film resonators'20097,498,899'Duplexer with filters including film bulk acoustic resonators'20097,498,717'Resonator, filter and fabrication of resonator'20097,482,738'Piezoelectric thin-film resonator and filter'20097,432,631'Piezoelectric thin-film resonator and filter and fabricating method'20087,368,859'Piezoelectric thin-film resonator and filter having the same'20087,345,402'Piezoelectric thin-film resonator and filter using the same'20087,211,931'Piezoelectric thin-film resonator and filter using the same'2007

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2014Based in Kawasaki, JP· patent location history
2010–2021Patents assigned to TAIYO YUDEN KK (56)· patent assignee history
2010Based in Kanagawa, JP· patent location history
2011–2016Patents assigned to IWAKI MASAFUMI (28)· patent assignee history
2011–2016Patents assigned to UEDA MASANORI (22)· patent assignee history
2011–2016Patents assigned to HARA MOTOAKI (20)· patent assignee history
2011–2016Patents assigned to NISHIHARA TOKIHIRO (20)· patent assignee history
2012–2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TAIYO YUDEN KK562010–2021
IWAKI MASAFUMIself282011–2016
UEDA MASANORI222011–2016
HARA MOTOAKI202011–2016
NISHIHARA TOKIHIRO202011–2016
Locations
LocationPatentsSpan
Tokyo, JP372012–2021
Kawasaki, JP312007–2014
Kanagawa, JP12010