Inventor
Kikuo Tsunoda
Inventor
Ishikawa, JP
Overview
Patents· 33 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Pprimary
H01PWaveguides51%
A01KAnimal husbandry17%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications13%
H04BTransmission6%
Y10TTechnical subjects covered by former us classification6%
G05GControl devices or systems insofar as characterised by mechanical features only2%
H03HImpedance networks, e.g. resonant circuits2%
LOCD22%
PatentTitleYear
6,885,261'Dielectric filter, antenna sharing device, and communication device having a voltage controlled reactance element for tuning the center frequency'20056,861,929'Low-pass filter'20056,781,476'Filter having directional coupler and communication device'20046,590,475'Filter, antenna duplexer, and communication apparatus incorporating the same'20036,522,220'Frequency variable filter, antenna duplexer, and communication apparatus incorporating the same'20036,476,687'Dielectric filter providing TEM- and TE-mode resonators and communicaton device using the same'20026,448,870'Dielectric filter, dielectric duplexer, and communication apparatus using the same'20026,411,176'Voltage-controlled duplexer and communication apparatus'20026,359,529'Filtering device comprising filters, each having a resonance line, a coupling element coupled to said resonance line, and a switch for short-circuiting said resonance line'20026,356,170'Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof'20026,346,867'Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof'20026,288,620'Antenna-duplexer and communication apparatus'20016,281,764'Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof'20016,255,921'Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof'20016,160,463'Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof'20006,020,800'Dielectric waveguide resonator, dielectric waveguide filter, and method of adjusting the characteristics thereof'20005,952,897'Dielectric filter unit comprising internal conductors and a slit with an electrode for input/output coupling structure'19995,929,725'Dielectric filter using the TEM mode'19994,942,377'Rod type dielectric resonating device with coupling plates'19904,865,262'Reciprocating mechanism for spinning reel for fishing'19894,839,773'Dielectric filter'19894,830,306'Fishing reel leg with soft cover'19894,821,006'Dielectric resonator apparatus'19894,784,347'Sliding mechanism for spinning reel'19884,770,363'Bearing mechanism for a spinning reel for fishing'19884,767,080'Angle adjustment mechanism for fishline guide roller of a spinning reel'19884,740,765'Dielectric filter'19884,733,208'Dielectric filter having impedance changing means coupling adjacent resonators'19884,730,173'Asymmetrical trap comprising coaxial resonators, reactance elements, and transmission line elements'19884,524,921'Fishing reel'19854,513,926'Bail arm control device for a spinning reel'19854,470,554'Spinning reel with finger controlled drag'1984D0257167'Fishing reel'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1989Patents assigned to RYOBI LTD (9)· patent assignee history
1980–1989Based in Hiroshima, JP· patent location history
1988–2005Patents assigned to MURATA MANUFACTURING CO (24)· patent assignee history
1988–2005Based in Nagaokakyo, JP· patent location history
1999–2002Based in Ishikawa, JP· patent location history
2002–2005Based in Mishima-shi, JP· patent location history
2002–2004Based in Osaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MURATA MANUFACTURING CO | 24 | 1988–2005 |
| RYOBI LTD | 9 | 1980–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ishikawa, JP | 10 | 1999–2002 |
| Hiroshima, JP | 9 | 1980–1989 |
| Mishima-shi, JP | 4 | 2002–2005 |
| Nagaokakyo, JP | 3 | 1988–2005 |
| Osaka, JP | 3 | 2002–2004 |