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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, WPT (Joint) |
2025-01-23 12:45 |
Shimane | Rokan, Matsue (Shimane, Online) (Primary: On-site, Secondary: Online) |
Basic study of 16-element differential rectenna array by comparing RF array and DC array Yusuke Cho, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.)  WPT2024-33 |
In this study, the RD array, DC array and its combination of a 16-element differential rectenna are compared for a large... [more] | WPT2024-33 pp.1-6 |
| MW | 2024-11-14 09:50 |
Okinawa | JA Kume-jima Yuntaku house (Okinawa, Online) (Primary: On-site, Secondary: Online) |
Experimental Evaluation of Quasi-TEM-Based Microstrip Line Formulas for Millimeter-Wave Circuit Design Sota Terasaki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) MW2024-123 |
[more] | MW2024-123 pp.1-6 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Design and Analysis of Microstrip Antenna with Electrically Activated Split-Ring Slot for Switchable Circular Polarization Yuki Hirayama, Htet Wai Htun*, Eisuke Nishiyama, Ichihiko Toyoda (SU) AP2024-63 |
This paper proposes a simple circular-polarization (CP) switchable microstrip patch antenna design. Reported CP switchab... [more] | AP2024-63 pp.34-35 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Numerical Analysis on Impact of Element Number and Spacing in High-Density Narrow-Element Array Antennas for High-Power Rectenna DC Arrays Daiki Kono, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) AP2024-67 |
This paper examines the effects of the element number and element spacing in high-density array antennas. The array ante... [more] | AP2024-67 pp.46-47 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Basic Study of Amplifier Integrated Active Antenna Using Differential-Feed Microstrip Antenna for Spatial Power Combining Daiki Yamasaki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) AP2024-71 |
[more] | AP2024-71 pp.57-58 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Design Approach of 2- and 4-Element Differential Rectennas Considering Frequency Response of Antenna Impedance Yusuke Cho, Eisuke Nishiyama, Ichihiko Toyoda (Saga univ.) AP2024-81 |
This study discusses a design approach for differential rectennas, considering the frequency response of antenna impedan... [more] | AP2024-81 pp.75-76 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Basic Study of Conical-Beam 3-Element Array Antenna Utilizing Circularly-Polarized Reconfigurable Elements Arranged in Ring Formation Yuta Nakao, Htet Wai Htun, Eisuke Nishiyama, Ichihiko Toyoda (former SU) AP2024-82 |
This study investigates the conical-beam radiation using an array design arranged in a ring formation. The design includ... [more] | AP2024-82 pp.77-78 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Basic Study of Planar Magic-T Employing Radial-Stub Loaded Coplanar Stripline for Backside Radiation Suppression Ryota Minamimura, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) AP2024-83 |
This study proposes a new planar magic-T using a coplanar stripline (CPS), microstrip lines, and radial stubs. The CPS s... [more] | AP2024-83 pp.79-80 |
| AP | 2024-10-17 10:00 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Design of 2nd-Harmonic and 4th-Harmonic Single-Push Oscillators Stabilized by Transmission-Line Resonators for Phase Noise Reduction Ibuki Machidori, Elton Lima, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) AP2024-84 |
This paper proposes two low phase noise Single-Push oscillators: a 2nd-harmonic oscillator and a 4th-harmonic oscillator... [more] | AP2024-84 pp.81-82 |
| AP | 2024-10-17 12:50 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
[Poster Presentation]
Concept and Performance Evaluation of Simple 3rd-Harmonic Output Oscillator Using Partially Grounded Microstrip-Line Resonator Daichi Hayashi, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) AP2024-108 |
In this paper, we discuss a concept and performance of a newly proposed 3rd-harmonic oscillator. The proposed oscillator... [more] | AP2024-108 pp.144-145 |
| AP | 2024-10-18 10:45 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Characteristic Analysis of Microstrip Antenna Stacking Two Parasitic Elements Karin Motomura, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) AP2024-129 |
[more] | AP2024-129 pp.216-221 |
| AP | 2024-10-18 11:20 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Experimental Evaluation of Active Antenna Integrating Reflective Type Push-Push Oscillator with Quarter-Wavelength open Stub Hirokazu Tokunaga, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ) |
[more] | |
| AP | 2024-10-18 11:45 |
Fukuoka | ACROS Fukuoka (Fukuoka, Online) (Primary: On-site, Secondary: Online) |
Conversion Efficiency Improvement of Balanced Up-Converter Integrated Active Antenna by LO Feedback Shiryu Araki, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) AP2024-130 |
This paper proposes an active integrated antenna with a balanced up-converter for miniaturization of radio devices. The ... [more] | AP2024-130 pp.222-227 |
| AP, RCS (Joint) |
2023-11-15 11:05 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Kumamoto, Online) (Primary: On-site, Secondary: Online) |
A Consideration on Vehicular Antenna Location
-- (II)Height Dependence -- Yuika Nakayama, Eisuke Nishiyama (Saga University), Ryo Yamaguchi, Kazuma Tomimoto, Masayuki Miyashita (Softbank), Ichihiko Toyoda (Saga University) AP2023-131 |
With the recent development of mobile communication technology, antennas mounted on vehicles have been attracting attent... [more] | AP2023-131 pp.11-16 |
| AP, RCS (Joint) |
2023-11-15 14:05 |
Kumamoto | Kumamoto Prefectural Workers' Welfare Hall (Kumamoto, Online) (Primary: On-site, Secondary: Online) |
A Compact Rectenna Integrating Double Voltage Rectifier for Large-Scale Rectenna Arrays Takuma Miyamoto, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) AP2023-135 |
This paper proposes a compact rectenna integrating a double voltage rectifier to realize large-scale rectenna arrays. In... [more] | AP2023-135 pp.31-36 |
| MW | 2021-11-19 13:30 |
Kagoshima | Kagoshima University (Kagoshima, Online) (Primary: On-site, Secondary: Online) |
Phase Noise Reduction of Reflective Type Push-Push Oscillator by Using Microstrip-Line Resonators Takayuki Tanaka, Suzu Kikutake, Yusho Takeguchi, Ichihiko Toyoda (Saga Univ.) MW2021-80 |
In recent years, in wireless communication systems, there is an increasing demand for radio waves in high frequency band... [more] | MW2021-80 pp.75-80 |
| SRW, SeMI, CNR (Joint) |
2020-11-27 10:50 |
Online | Online (Online) | [Invited Lecture]
Research and Development Activities of Active Integrated Antenna for Polarization and Beam Switching Functions Maodudul Hasan, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) SRW2020-35 |
This invited lecture introduces Saga University’s research and development activities on the active integrated antennas ... [more] | SRW2020-35 pp.44-49 |
| MW, EST, EMCJ, PEM, IEE-EMC [detail] | 2020-10-23 09:00 |
Online | Online (Online) | Electromagnetic and Circuit Combined Simulation for DBM Integrated Orthogonal Dual Modes Resonator Tatsuki Kayashima, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) EMCJ2020-36 MW2020-50 EST2020-38 |
In this study, a simulation approach is applied to a resonator utilizing the nonlinear characteristics of double-balance... [more] | EMCJ2020-36 MW2020-50 EST2020-38 pp.66-71 |
| AP, RCS (Joint) |
2019-11-20 10:30 |
Saga | Saga Univ. (Saga) | Experimental Evaluation of a Magic-T based Variable Power Divider and Its Application to Polarization Agile Antennas Narito Morita, Takayuki Tanaka, Ichihiko Toyoda (Saga Univ.) AP2019-106 |
We have proposed a new spatial modulation system and several polarization agile antennas. To enhance the system, we also... [more] | AP2019-106 pp.1-6 |
| AP, RCS (Joint) |
2019-11-20 10:55 |
Saga | Saga Univ. (Saga) | Fundamental Experiment of a Circular Polarization Switchable Microstrip Array Antenna With Diode Loaded Cross Slot and Magic-T Integrated Swiching Circuit Ryo Moroishi, Eisuke Nishiyama, Ichihiko Toyoda (Saga Univ.) AP2019-107 |
We have proposed several advanced planar antennas with simple configurations to achieve a new spatial modulation system ... [more] | AP2019-107 pp.7-12 |
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