Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
MW, WPT |
2024-04-18 11:35 |
Kanagawa |
Kanagawa University (Primary: On-site, Secondary: Online) |
Experiment of Simultaneous Illumination of Multiple LEDs by Receiving the Radio Waves of Wi-Fi Tethering with Rectenna Array Olan Heinen, Tamami Maruyama, Noa Ebita, Akari Kamada, Masashi Nakatsugawa (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University) WPT2024-2 MW2024-2 |
A new analytical model of the cross dipole rectenna array was presented for the prototype structure and dimensions, and ... [more] |
WPT2024-2 MW2024-2 pp.7-11 |
WPT |
2024-03-15 09:10 |
Kyoto |
Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
Novel Microwave Snow Melting Waveguide Utilizing EBG to Prevent Electromagnetic Leakage Koyo Hatazawa, Tamami Maruyama, Akari Kamada, Noa Ebita, Takahiko Nakamura (NIT, Hakodate College), Tsunayuki Yammoto, Nanami Kobayakawa, Fuka Yoshii, Yuna Higasa (NIT, Tsuyama College), Masashi Nakatsugawa (NIT, Hakodate College), Manabu Omiya (Hokkaido University) WPT2023-46 |
This paper introduces a novel snow melting method that involves directing microwaves onto snow without outward electroma... [more] |
WPT2023-46 pp.59-62 |
MW |
2024-02-29 13:00 |
Okayama |
Okayama Prefectural University (Primary: On-site, Secondary: Online) |
Coil Orientation Impact on Efficiency in Double-Sided WPT with Magnetic Field Coupling Akari Kamada, Tamami Maruyama, Masashi Nakatsugawa, Noa Ebita (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University) MW2023-178 |
The coils used in magnetic field-coupled wireless power transfer (WPT) exhibit a higher absolute coupling coefficient wh... [more] |
MW2023-178 pp.21-24 |
WPT |
2023-11-10 11:25 |
Tokyo |
Hachijomachi-Shokokai (Primary: On-site, Secondary: Online) |
Novel compact rectenna array by integrating power-receiving and waveguide elements with loaded inductor Tamami Maruyama, Noa Ebita, Akari Kamada, Hiroto Ishiguro, Masashi Nakatsugawa (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University) WPT2023-25 |
When arranging an array of half-wavelength dipole antenna-type rectennas, it has been reported that each element not onl... [more] |
WPT2023-25 pp.12-16 |
AP |
2023-10-20 09:55 |
Iwate |
Iwate University (Primary: On-site, Secondary: Online) |
Impedance Loaded Rectenna Array Tamami Maruyama, Hiroto Ichiguro, Noa Ebita, Akari Kamada, Koyo Hatazawa, Masashi Nakatsugawa (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology), Noriharu Suematsu (Tohoku University) AP2023-121 |
Half-wavelength dipole-type rectennas can be miniaturized through impedance loading. Conversely, when these half-wavelen... [more] |
AP2023-121 pp.123-126 |
WPT |
2023-06-30 14:55 |
Tokyo |
(Primary: On-site, Secondary: Online) |
Measurement of Near-Field Electromagnetic Distribution Radiated from Slotted Circuit-Shape Waveguides to Melt Snow with Microwave Tamami Maruyama, Kota Unyu, Yuga Sasaki, Masashi Nakatsugawa, Takahiko Nakamura (NIT,Hakodate College), Manabu Omiya (Hokkaido University), Yasuhiro Tamayama (Nagaoka University of Technology) WPT2023-12 |
This paper investigates the near-field electromagnetic distribution radiated from slotted circuit-shape waveguide. The w... [more] |
WPT2023-12 pp.9-12 |
WPT |
2023-03-16 14:30 |
Kyoto |
Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
Experiments study on extending LED-Cube lighting distance by impedanceloaded magnetic field coupled wireless power transmission. Akari Kamada, Noa Ebita, Tamami Maruyama, Masashi Nakatsugawa, Masaya Tamura (NIT, Hakodate College) WPT2022-37 |
In magnetic field coupling wireless power transmission (WPT), it has been reported that wireless power transmission effi... [more] |
WPT2022-37 pp.37-40 |
WPT |
2023-03-17 15:00 |
Kyoto |
Kyoto-Univ. (Uji campus) (Primary: On-site, Secondary: Online) |
Novel C-shaped loop rectenna arrays for LED accessories Noa Ebita, Akari Kamada, Tamami Maruyama, Masashi Nakatsugawa (NIT, Hakodate College), Masaya Tamura (Toyohashi University of Technology) WPT2022-60 |
Although microwaves leaking from a microwave oven can be converted into energy to light up the LEDs of resin accessories... [more] |
WPT2022-60 pp.129-132 |
MW |
2023-03-03 09:50 |
Tottori |
Tottori Univ. (Primary: On-site, Secondary: Online) |
Transient Response of Circuit Shape Right- and Left-Handed Waveguide for Microwave Snow Melting Kota Unyu, Tamami Maruyama, Masashi Nakatsugawa (NIT, Hakodate College), Manabu Omiya (Hokkaido University), Tamayama Yasuhiro (Nagaoka University of Technology) MW2022-172 |
Transient response of the circuit shape waveguide was analyzed with the FDTD method. The waveguide was composed of the r... [more] |
MW2022-172 pp.88-91 |
MW |
2023-03-03 10:30 |
Tottori |
Tottori Univ. (Primary: On-site, Secondary: Online) |
Research on Arc-shaped Composite Right-/Left-handed Leaky Wave Antenna for Snow Melting System Takeo Kobashi, Keto Togawa, Tsunayuki Yamamoto (NIT, Tsuyama), Tamami Maruyama, Masashi Nakatsugawa, Takahiko Nakamura (NIT, Hakodate), Keiichi Ito (NIT, Akita College), Mitsuru Muramoto, Yutaka Nasuno (NIT, Tomakomai College), Kohzoh Ohshima (NIT, Asahikawa College), Manabu Omiya (Hokkaido Univ.), Yasuhiro Tamayama (Nagaoka Univ. of Tech.) MW2022-173 |
In our research of a microwave snow melting system, it is expected that electromagnetic wave is fed and transmitted in a... [more] |
MW2022-173 pp.92-97 |
AP |
2022-03-11 10:20 |
Online |
Online |
Wireless Power Transmission Efficiency of Rectenna Array Antenna Connected in Parallel Tamami Maruyama, Koki Shibata, Masashi Nakatsugawa, Takahiko Nakamura (NIT, Hakodate College) AP2021-195 |
This paper proposes the novel rectenna array connected in parallel. Each rectenna elements have two roles. One method is... [more] |
AP2021-195 pp.73-75 |
WPT |
2022-03-07 10:05 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Yagi-Uda rectenna applied metasaurface Tamami Maruyama, Koki Shibata, Masashi Nakatsugawa (NIT, Hakodate College) WPT2021-19 |
This paper proposes a novel rectenna array using a metasurface to deliver electric power to IoT terminals by wireless po... [more] |
WPT2021-19 pp.1-4 |
WPT |
2022-03-07 11:45 |
Kyoto |
(Primary: On-site, Secondary: Online) |
Experimental study of Magnetic Field Coupling WPT with Inductance Load and Relay Coil Koki Shibata, Tamami Maruyama, Masashi Nakatsugawa (NIT, Hakodate) WPT2021-23 |
The WPT efficiency improvement by inserting a parasitic coil between the transmitter and receiver coils and loading indu... [more] |
WPT2021-23 pp.17-20 |
WPT |
2022-03-08 16:15 |
Kyoto |
(Primary: On-site, Secondary: Online) |
A Study on Feeding Position and Radiation Characteristic of a Composite Right/Left-Handed Waveguide for a Microwave Snow Melting System Keito Togawa, Tsunayuki Yamamoto (NIT, Tsuyama College), Tamami Maruyama, Masashi Nakatsugawa, Takahiko Nakamura (NIT, Hakodate College), Keiichi Ito (NIT, Akita College), Mituru Muramoto, Yutaka Nasuno (NIT, Tomakomai College), Kohzoh Ohshima (NIT, Tsuyama College), Manabu Omiya (Hookaido Univ.) WPT2021-41 |
In our research of a microwave snow melting system, the system is composed of a circuit-shaped waveguide, and an electro... [more] |
WPT2021-41 pp.89-92 |
MW |
2022-03-03 10:15 |
Online |
Online |
Applicability of Phase Modulation Scheme for Wireless Power Transmission System to Simultaneously Deliver Power and Signals Takuro Ito, Masashi Nakatsugawa (NIT, Hakodate College), Shinji Abe, Takashi Ohira (TUT) MW2021-114 |
IoT and 5G systems are being introduced in the world. Wireless power transmission with information can further expand th... [more] |
MW2021-114 pp.18-23 |
MW |
2022-03-03 10:45 |
Online |
Online |
Installation Position Dependency of Wireless Power Transmission Efficiency between Circuit Shape Leaky Waveguide and Half Wavelength Dipole Antenna Yusho Kanaya, Masashi Nakatsugawa, Tamami Maruyama (NIT, Hakodate College), Manabu Omiya (Hokkaido Univ.), Yasuhiro Tamayama (NUT) MW2021-115 |
The wireless power transfer characteristics between a circuit-shape leaky waveguide and a /2 dipole antenna were analyz... [more] |
MW2021-115 pp.24-29 |
EST |
2022-01-27 18:20 |
Online |
Online |
Shape Optimization of Radome for Waveguide Slot Antenna Aimed at Melting Snow Keiichi Itoh, Ruka Tobisawa (NIT, Akita), Tamami Maruyama, Masashi Nakatsugawa, Takahiko Nakamura (NIT, Hakodate), Mitsuru Muramoto, Yutaka Nasuno (NIT, Tomakomai), Kohzoh Ohshima (NIT, Asahikawa), Tsunayuki Yamamoto (NIT, Tsuyama), Manabu Omiya (Hokkaido Univ.), Yasuhiro Tamayama (Nagaoka Univ. Tech.) EST2021-78 |
In recent years, a novel snowmelt method, heating mortar blocks by microwaves, has been attracted attention. The purpose... [more] |
EST2021-78 pp.104-109 |
MW |
2021-12-16 13:50 |
Kanagawa |
Kawasaki City Industrial Promotion Hall (Primary: On-site, Secondary: Online) |
A Phase Shifter Composed of Reduced-Size Rat-Race Coupler with CRLH Transmission Lines and Resonating Reactance Circuits Masashi Nakatsugawa, Fusuke Kurotani, Yuya Chiba, Takuro Ito, Tamami Maruyama (NIT, Hakodate College) MW2021-89 |
An analog phase shifter that could continuously operate more than 180-degree phase-shift range was proposed and fabricat... [more] |
MW2021-89 pp.25-30 |
EMCJ, EMD, WPT (Joint) |
2021-07-02 14:45 |
Online |
Online |
EM-Field Visualization by Using a Half Wavelength LED Dipole Antenna Masashi Nakatsugawa, Daiki Ikeno, Tamami Maruyama (NIT, Hakodate College), Yasuhiro Tamayama (Nagaoka Univ. of Technol.) WPT2021-6 |
An EM-field measurement method by using a half wavelength LED dipole antenna was proposed. The LED in the antenna can be... [more] |
WPT2021-6 pp.7-12 |
WPT, MW |
2021-04-16 14:20 |
Online |
Online |
Improvement of wireless power transmission efficiency by inserting relay coil with optimized load impedance Tamami Maruyama, Tai Kimura, Masashi Nakatsugawa (NIT, Hakodate College) WPT2021-4 MW2021-4 |
In previous work, we investigated on the improvement of wireless power transmission efficiency by inserting a non-feedin... [more] |
WPT2021-4 MW2021-4 pp.16-20 |