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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW, ICD | 2019-03-14 14:50 |
Okinawa | A tunable impedance transformer that draws a spiral locus on the Smith chart by frequency sweep Asako Suzuki (Adamant Namiki), Motoaki Miyazaki, Naoki Sakai (Toyohashi Univ. Tech.), Toshio Ishizaki (Ryukoku Univ.), Satoshi Tsukamoto, Takashi Ohira (Toyohashi Univ. Tech.)  MW2018-164 ICD2018-108 |
We propose a tunable impedance transformer that draws a spiral locus on the Smith chart by frequency sweep and an automa... [more] | MW2018-164 ICD2018-108 pp.43-48 |
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| MW, ED | 2019-01-17 10:00 |
Tokyo | Hitachi, Central Research Lab. | Development of Electromagnetically-Coupled Half-Wavelength Resonator Filter Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) ED2018-70 MW2018-137 |
In recent years, miniaturization and high performance of base station filters are regarded as important. In a filter, by... [more] | ED2018-70 MW2018-137 pp.7-12 |
| MW | 2018-12-13 11:35 |
Kanagawa | Kanagawa Univ. | A Study on Coupling for Composite Type Iris for Prismatic Quadruple Mode Two-Stage Filter for Mobile Phone Base Station Akihiro Tsubouchi, Toshio Ishizaki (Ryukoku Univ.) MW2018-118 |
[more] | MW2018-118 pp.25-30 |
| WPT (2nd) |
2018-11-02 - 2018-11-04 |
Miyagi | Tohoku University | Study on Transmission of Power&Signal to Seabed Drilling System Using a Periodic Circuit Tatsuya Hiraiwa, Toshio Ishizaki (Ryukoku Univ), Tomoya Inoue, Junya Ishiwata (JAMSTEC), Ikuo Awai (Ryutech) |
[more] | |
| EST, MW, OPE, MWP, EMT, IEE-EMT, THz [detail] | 2018-07-19 16:15 |
Hokkaido | A Formulation of Gain Margin and Required Power for Closed-Loop Active Load-Pull Systems Kentaro Kawabe, Toshio Ishizaki (Ryukoku Univ.) EMT2018-32 MW2018-47 OPE2018-35 EST2018-30 MWP2018-31 |
As a design method for microwave power amplifier, passive load-pull method for obtaining the optimum load impedance is w... [more] | EMT2018-32 MW2018-47 OPE2018-35 EST2018-30 MWP2018-31 pp.137-142 |
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| EST, MW, OPE, MWP, EMT, IEE-EMT, THz [detail] | 2018-07-20 14:50 |
Hokkaido | Evaluation of Characteristics of Quadruple-Mode Resonator Filter for Mobile-Phone Base-Stations and Study on Multistage Akihiro Tsubouchi, Toshio Ishizaki (Ryukoku Univ) EMT2018-43 MW2018-58 OPE2018-46 EST2018-41 MWP2018-42 |
[more] | EMT2018-43 MW2018-58 OPE2018-46 EST2018-41 MWP2018-42 pp.197-201 |
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| WPT | 2018-03-03 10:40 |
Kyoto | Kyoto Univ. Uji Campus | Arm robot Power transmission circuit for contactless power transfer Motoki Futatsuya, Toshio Ishizaki (Ryukoku Univ), Ikuo Awai (Ryutech) WPT2017-80 |
[more] | WPT2017-80 pp.65-70 |
| MW | 2017-12-20 09:20 |
Tokyo | Consideration of Multi-Pole for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2017-153 |
In recent years, further miniaturization and high performance of a filter for small base station are required. By formin... [more] | MW2017-153 pp.65-70 |
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| MW | 2017-12-20 09:45 |
Tokyo | Study on Quadruple-Mode Cavity-Type Filter for Mobile-Phone Base-Stations Akihiro Tsubouchi, Toshio Ishizaki (Ryukoku Univ) MW2017-154 |
In order to deal with the increase of traffic in recent years, cellular phone base stations using microcells and pico-ce... [more] | MW2017-154 pp.71-76 |
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| MW | 2017-12-20 11:35 |
Tokyo | Study on stability of Active Load-Pull Systems Kentaro Kawabe, Toshio Ishizaki (Ryukoku Univ.) MW2017-158 |
We are investigating load pull system required for efficient design of load circuit and matching circuit which can impro... [more] | MW2017-158 pp.95-100 |
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| MW | 2017-11-09 10:40 |
Okinawa | Miyakojima Marin Terminal Bldg. | Basic study on Open- and Closed-Loop Active Load-Pull System Kentaro Kawabe, Gaku Nishio, Toshio Ishizaki (Ryukoku Univ.) MW2017-113 |
(To be available after the conference date) [more] | MW2017-113 pp.9-13 |
| MW | 2017-11-10 14:25 |
Okinawa | Miyakojima Marin Terminal Bldg. | Method of simple contactless power transfer for the series resonant circuit Motoki Futatsuya, Toshio Ishizaki (Ryukoku Univ), Ikuo Awai (Ryutech) MW2017-140 |
In this research, we aim to achieve contactless power transfer to industrial multi-joint arm robot by rotating disk. Con... [more] | MW2017-140 pp.157-160 |
| MW | 2017-11-10 14:40 |
Okinawa | Miyakojima Marin Terminal Bldg. | Comprehensive evaluation of several spiral resonators with electric field confinement Tatsuya Hiraiwa, Toshio Ishizaki (Ryukoku Univ), Ikuo Awai (Ryutech) MW2017-141 |
The working principle, fabrication method, electric field confinement capability, unloaded Q property and susceptibility... [more] | MW2017-141 pp.161-166 |
| MW (2nd) |
2017-06-14 - 2017-06-16 |
Overseas | KMUTT, Bangkok, Thailand | Design Method for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) |
Recently, miniaturization of duplexer used in base station is strongly expected. By creating attenuation poles near pass... [more] | |
| MW | 2017-05-19 10:30 |
Osaka | Osaka Univ. (Seminar Room1, Osaka Univ. Kaikan) | Fundamental Consideration of Passband Design for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2017-15 |
Recently,many small base stations are installed additionally. But, duplexer occupies about half of the volume of a small... [more] | MW2017-15 pp.43-47 |
| WPT | 2017-03-06 15:15 |
Kyoto | Kyoto Univ. Uji Campus | A WPT System for Seabed Drilling Based on Periodic Structures Theory Ryuji Ito, Toshio Ishizaki (Ryukoku Univ), Tomoya Inoue, Junya Ishiwata (JAMSTEC), Ikuo Awai (Ryutech corp) WPT2016-71 |
We want to send power to the several 100 tips of a 10-meter metal pipe connected each other when carrying out the ultra-... [more] | WPT2016-71 pp.31-36 |
| MW, ICD | 2017-03-02 09:25 |
Okayama | Okayama Prefectural Univ. | Design Method of Attenuation Poles for Electromagnetically-Coupled Half-Wavelength and Quarter-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2016-189 ICD2016-119 |
In wireless systems,filter with a desired performance is used. However, sometimes,an additional bandpass filter might be... [more] | MW2016-189 ICD2016-119 pp.7-12 |
| MW, ICD | 2017-03-03 13:00 |
Okayama | Okayama Prefectural Univ. | [Special Talk]
Design and Fabrication of S-Band Two-stage Amplifier with Wide-Band Gain Flatness Gaku Nishio, Toshio Ishizaki (Ryukoku Univ.) MW2016-209 ICD2016-139 |
[more] | MW2016-209 ICD2016-139 pp.119-122 |
| MW | 2016-12-16 11:30 |
Kanagawa | National Defense Academy | Design Method of Attenuation Poles for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.) MW2016-161 |
Usually, duplexers used in base station consist of transmitting and receiving filters, both of which are 10- to 15-pole ... [more] | MW2016-161 pp.165-170 |
| EE, WPT (Joint) |
2016-10-07 09:25 |
Kyoto | Electric field control method in the magnetic field coupling type WPT system Tatsuya Hiraiwa, Kentaro Kawabe, Toshio Ishizaki (Ryukoku Univ), Ikuo Awai (Ryutech) WPT2016-31 |
[more] | WPT2016-31 pp.67-72 |
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