Inventor
Ken Tonegawa
Inventor
Otsu, JP
Overview
Patents· 26 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Hprimary
H03HImpedance networks, e.g. resonant circuits36%
H01PWaveguides33%
H05KPrinted circuits10%
H04BTransmission5%
H01QAntennas, i.e. radio aerials3%
H03DDemodulation or transference of modulation from one carrier to another3%
H03FAmplifiers3%
H03KPulse technique3%
Y02PClimate change mitigation technologies in the production or processing of goods3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
8,401,492'High frequency switch module'20138,390,392'Variable capacitance module and matching circuit module'20137,911,294'Variable-frequency band-elimination filter'20116,748,207'Power distributing and synthesizing device and mobile communication equipment using same'20046,711,395'Receiving module and receiver'20046,700,792'High-frequency composite component and portable wireless device incorporating the component'20046,429,753'High-frequency filter, complex electronic component using the same, and portable radio apparatus using the same'20026,424,233'Complex electronic component with a first multilayer filter having a cavity in which a second filter is mounted'20026,252,778'Complex electronic component'20016,177,850'Two frequency filter comprising an inductance device, a resonator, and a switching device'20016,111,478'Filter with a switch having capacitance'20006,100,776'High-frequency composite transmission section with switch, LC filter, and notch filter'20006,069,541'High-frequency filter, with an inductor for forming a pole, complex electronic component using the same, and portable radio apparatus using the same'20005,999,065'Composite high-frequency component'19995,990,732'Composite high frequency apparatus and method of forming same'19995,783,976'Composite high frequency apparatus and method of forming same'19985,770,986'Stripline filter with a stripline-formed parallel capacitor'19985,748,054'High frequency hybrid switch operable in antenna diversity type portable telephone'19985,532,658'Mounting structure for electronic component'19965,510,802'Surface-mountable antenna unit'19965,404,118'Band pass filter with resonator having spiral electrodes formed of coil electrodes on plurality of dielectric layers'19955,357,227'Laminated high-frequency low-pass filter'19945,351,020'Band-pass filter having three or more loop-shaped electrodes'19945,140,497'Composite electronic component and frequency adjustment method of the same'19925,105,176'Dielectric resonator and a manufacturing method thereof'19925,075,650'Bandpass filter'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2013Patents assigned to MURATA MANUFACTURING CO (26)· patent assignee history
1991–1999Based in Kyoto, JP· patent location history
1994–2013Based in Nagaokakyo, JP· patent location history
2000–2004Based in Otsu, JP· patent location history
2013Patents assigned to TONEGAWA KEN (2)· patent assignee history
2013Patents assigned to HARADA TETSURO (1)· patent assignee history
2013Patents assigned to MURASE HISANORI (1)· patent assignee history
2013Patents assigned to NAGAI TOMOHIRO (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MURATA MANUFACTURING CO | 26 | 1991–2013 |
| TONEGAWA KENself | 2 | 2013 |
| HARADA TETSURO | 1 | 2013 |
| MURASE HISANORI | 1 | 2013 |
| NAGAI TOMOHIRO | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Otsu, JP | 10 | 2000–2004 |
| Kyoto, JP | 9 | 1991–1999 |
| Nagaokakyo, JP | 7 | 1994–2013 |