Inventor
TAKAI TSUTOMU
JP36 patents
⚠️ This page may combine multiple inventors who share the name “TAKAI TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MURATA MANUFACTURING CO
23 patentsUS10171061B2Jan 1, 2019
Elastic wave device
MURATA MANUFACTURING CO10 citations84
US12149226B2Nov 19, 2024
Acoustic wave device, filter device, and multiplexer
MURATA MANUFACTURING CO2 citations73
US11764880B2Sep 19, 2023
Acoustic wave device, multiplexer, high-frequency front end circuit, and communication device
MURATA MANUFACTURING CO2 citations73
US11159141B2Oct 26, 2021
Acoustic wave device, radio-frequency front-end circuit, and communication apparatus
MURATA MANUFACTURING CO3 citations73
US10862455B2Dec 8, 2020
Elastic wave device
MURATA MANUFACTURING CO3 citations73
US10659001B2May 19, 2020
Elastic wave device
MURATA MANUFACTURING CO2 citations73
US10469055B2Nov 5, 2019
Filter device including longitudinally coupled resonator elastic wave filter and elastic wave resonator
MURATA MANUFACTURING CO6 citations73
US11271544B2Mar 8, 2022
Multiplexer, high-frequency front end circuit, and communication device
MURATA MANUFACTURING CO3 citations72
US11552616B2Jan 10, 2023
Acoustic wave device, multiplexer, radio-frequency front end circuit, and communication device
MURATA MANUFACTURING CO1 citations62
US11496226B2Nov 8, 2022
Acoustic wave device, multiplexer, high-frequency front end circuit, and communication device
MURATA MANUFACTURING CO1 citations62
US11456725B2Sep 27, 2022
Acoustic wave device, radio-frequency front-end circuit, and communication apparatus
MURATA MANUFACTURING CO0 citations62
US11349451B2May 31, 2022
Elastic wave device, high-frequency front-end circuit, and communication apparatus
MURATA MANUFACTURING CO0 citations62
US10491187B2Nov 26, 2019
Elastic wave device, multiplexer, high-frequency front-end circuit, and communication apparatus
MURATA MANUFACTURING CO1 citations62
US10298274B2May 21, 2019
Multiplexer, transmission device, and reception device
MURATA MANUFACTURING CO1 citations62
US11611324B2Mar 21, 2023
Acoustic wave device, high frequency front end circuit, and communication apparatus
MURATA MANUFACTURING CO1 citations61
US11463068B2Oct 4, 2022
Acoustic wave device, high frequency front end circuit, and communication apparatus
MURATA MANUFACTURING CO1 citations61
US11463067B2Oct 4, 2022
Multiplexer, radio-frequency front end circuit, and communication device
MURATA MANUFACTURING CO0 citations52
US11115003B2Sep 7, 2021
Acoustic wave device, multiplexer, high-frequency front end circuit, and communication apparatus
MURATA MANUFACTURING CO0 citations52
US10171113B2Jan 1, 2019
Multiplexer, transmission device, and reception device
MURATA MANUFACTURING CO0 citations52
US11218130B2Jan 4, 2022
Acoustic wave device
MURATA MANUFACTURING CO0 citations51
US10756698B2Aug 25, 2020
Elastic wave device
MURATA MANUFACTURING CO0 citations42
US10680577B2Jun 9, 2020
Acoustic wave device, multiplexer, high-frequency front-end circuit, and communication apparatus
MURATA MANUFACTURING CO0 citations42
US10659002B2May 19, 2020
Elastic wave device
MURATA MANUFACTURING CO0 citations41
UBE INDUSTRIES
10 patentsUS6436582B1Aug 20, 2002
Non-aqueous electrolyte and lithium secondary battery using the same
UBE INDUSTRIES52 citations96
US6413678B1Jul 2, 2002
Non-aqueous electrolyte and lithium secondary battery using the same
UBE INDUSTRIES71 citations96
US6866966B2Mar 15, 2005
Non-aqueous secondary battery having enhanced discharge capacity retention
UBE INDUSTRIES21 citations92
US6479191B1Nov 12, 2002
Electrolyte having alkyne derivative and lithium secondary battery using the same
UBE INDUSTRIES28 citations91
US6413677B1Jul 2, 2002
Lithium secondary battery electrolyte and lithium secondary battery using the same
UBE INDUSTRIES9 citations74
US6699998B2Mar 2, 2004
Non-aqueous electrolyte and lithium secondary battery using the same
UBE INDUSTRIES3 citations63
US6656642B2Dec 2, 2003
Non-aqueous electrolytic solution and lithium secondary battery
UBE INDUSTRIES4 citations63
US6139991AOct 31, 2000
Electrolyte solution for lithium secondary battery and lithium secondary battery using the same
UBE INDUSTRIES6 citations60
US7976988B2Jul 12, 2011
Non-aqueous electrolyte and lithium secondary battery using the same
UBE INDUSTRIES0 citations42
US7691539B2Apr 6, 2010
Non-aqueous secondary battery having increased discharge capacity retention
UBE INDUSTRIES0 citations42