LexDanaLexDanabeta
Inventor

Osamu Ikata

Inventor
Kawasaki, JP

Overview

54→
Patents
1993–2018
Patent span
Electricity
Primary field (CPC H)

Patents· 54 as inventor

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

H03Hprimary
H03HImpedance networks, e.g. resonant circuits63%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
Y10TTechnical subjects covered by former us classification11%
H04BTransmission4%
A62CFire-fighting2%
E06BFixed or movable closures for openings in buildings, vehicles, fences or like enclosures in general, e.g. doors, windows, blinds, gates2%
G01PMeasuring linear or angular speed, acceleration, deceleration, or shock2%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves1%
H01PWaveguides1%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner1%
PatentTitleYear
10,097,158Acoustic wave device, filter, and duplexer2018RE045419'Surface acoustic wave device and method of fabricating the same'20157,800,464'Surface acoustic wave device and duplexer'2010RE040036'Surface acoustic wave filter'20087,315,455'Surface-mounted electronic component module and method for manufacturing the same'20087,227,429'Surface acoustic wave device and method of fabricating the same'20077,135,944'Branching filter having both saw ladder and dual mode filters, and electronic apparatus using the branching filter'20067,067,956'Surface acoustic wave device, filter device and method of producing the surface acoustic wave device'20066,946,931'Surface acoustic wave resonator and surface acoustic wave filter'20056,919,778'Duplexer with an impedance matching circuit and an electronic device using the same'20056,903,630'Surface acoustic wave device having a polarization inverted region'20056,796,181'Acceleration sensor'2004RE038278'Surface acoustic wave device and production process thereof'20036,597,261'Surface acoustic wave ladder filter using interdigital transducers not involving resonance'20036,578,421'Acceleration sensor, acceleration sensor device, and method of fabricating an acceleration sensor'20036,577,210'Surface acoustic wave filter having plural propagation paths and a coupler'20036,570,471'Surface acoustic wave ladder filter having at least one resonator with electrode finger pairs in inverted orientation'20036,552,632'Surface acoustic wave resonator with withdrawn electrodes and surface acoustic wave ladder filter using same'2003RE038002'Process for providing a surface acoustic wave device'20036,525,629'Surface acoustic wave filter'20036,501,344'Duplexer device'20026,466,108'Surface acoustic wave resonator and filter using the same with specified distance between an interdigital transducer and reflector'20026,466,103'Saw filter duplexer device with optimal location of a phase matching line pattern and wire bonding pads'20026,437,479'Surface acoustic wave device'2002RE037790'Surface acoustic wave filter'20026,413,439'Method of manufacturing surface acoustic wave device'20026,388,361'Surface acoustic wave device and process for manufacturing the same'20026,380,823'Antenna duplexer with receiving, transmitting, and antenna terminal groups separated planarly'20026,359,368'Surface acoustic wave reflector'20026,317,015'Surface acoustic wave device using a leaky surface acoustic wave with an optimized cut angle of a piezoelectric substrate'2001RE037375'Surface acoustic wave filter'20016,242,991'Surface acoustic wave filter having a continuous electrode for connection of multiple bond wires'20016,131,257'Method of making a surface acoustic wave device'20006,121,860'Multimode surface acoustic wave filter with a coupling section not being a uniform metal film'20006,115,592'Filter device and dual-band radio system in which the filter device is used'20006,114,927'Surface acoustic wave filter utilizing direction changing electrodes and a weighted transducer'20006,075,426'Surface acoustic wave device with an angle .alpha. related to specific piezoelectric substrates'20006,037,847'Surface acoustic wave device using a leaky surface acoustic wave with an optimized cut angle of a piezoelectric substrate'20006,023,204'Packaged surface acoustic wave filter chips utilizing an on-chip relay terminal'20005,999,068'Surface acoustic wave filter of multi-stage connection type'19995,955,933'Saw resonator with improved connections'19995,909,156'Surface acoustic wave device with multilayer electrodes and method for manufacturing the same'19995,874,866'Phase-shift oscillator having ladder-type saw filter feedback circuit'19995,859,473'Duplexer package'19995,796,205'Surface acoustic wave device and method of producing the same'19985,786,738'Surface acoustic wave filter duplexer comprising a multi-layer package and phase matching patterns'19985,774,962'Process for producing a surface acoustic wave device'19985,773,917'Surface acoustic wave device and production process thereof'19985,631,612'Surface acoustic wave filter'19975,561,406'Duplexer package'19965,559,481'Surface acoustic wave filter'19965,300,902'Surface acoustic wave device for band-pass filter having small insertion loss and predetermined pass-band characteristics for broad band'19945,281,883'Surface acoustic wave device with improved junction bonding and package miniaturization'19945,179,310'Surface-acoustic-waver filter having a plurality of electrodes'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–2008Patents assigned to FUJITSU LTD (49)· patent assignee history
1994–2008Based in Kawasaki, JP· patent location history
1999Patents assigned to FUJITSU TOWA ELECTRON LIMITED (1)· patent assignee history
2001Based in Nakahara-ku, JP· patent location history
2002–2010Patents assigned to FUJITSU MEDIA DEVICES LTD (17)· patent assignee history
2005Patents assigned to FUJISTU MEDIA DEVICES LTD (1)· patent assignee history
2005–2015Based in Yokohama, JP· patent location history
2005Based in Suzaka, JP· patent location history
2015–2018Patents assigned to TAIYO YUDEN KK (2)· patent assignee history
2018Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJITSU LTD491993–2008
FUJITSU MEDIA DEVICES LTD172002–2010
TAIYO YUDEN KK22015–2018
FUJISTU MEDIA DEVICES LTD12005
FUJITSU TOWA ELECTRON LIMITED11999
Locations
LocationPatentsSpan
Kawasaki, JP411994–2008
Yokohama, JP82005–2015
Tokyo, JP12018
Suzaka, JP12005
Nakahara-ku, JP12001