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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WPT | 2021-03-04 14:10 |
Online | Online | Optimum Beam Synthesis for An Arbitrary Receiving Plane in Radiating Near Field Seishiro Kojima, Tomohiko Mitani, Naoki Shinohara (Kyoto Univ.)  WPT2020-38 |
This report proposes an optimum beam synthesis method to maximize the beam collection efficiency (BCE) for an arbitrary ... [more] | WPT2020-38 pp.26-31 |
| WPT | 2021-03-04 14:35 |
Online | Online | Direction and Distance Estimation of Moving Object for Highly-Efficient Near-Field Microwave Power Transmission Hiroyuki Matsubara, Naoki Shinohara, Tomohiko Mitani, Seishiro Kojima (Kyoto Univ.) WPT2020-39 |
Microwave power transmission is expected as the next-generation technology to realize ubiquitous power supply. Microwave... [more] | WPT2020-39 pp.32-35 |
| WPT | 2020-03-06 11:15 |
Kyoto | (Cancelled but technical report was issued) |
Development of 5.8 GHz dual circularly polarized antenna with integrated a feeding circuit Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2019-63 |
In microwave power transmission to mobile objects, a system become simple and small if antennas for the transmitting and... [more] | WPT2019-63 pp.29-32 |
| AP, WPT (Joint) |
2020-01-23 09:15 |
Kagawa | Sunport Hall Takamatsu | Design and Fabrication of Folded Inverted-L Antenna Katsumi Kawai, Ryosuke Momiki, Hiroyuki Matsubara, Jie Chu, Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) AP2019-149 |
[more] | AP2019-149 pp.7-10 |
| MW (2nd) |
2019-06-26 - 2019-06-28 |
Overseas | RUS, Bangkok, Thailand | Study on Estimation Method of Directions and Distances for Microwave Power Transmission to Moving Targets Hiroyuki Matsubara, Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) |
In Fresnel region, high-efficiency Microwave Power Transmission (MPT) needs to estimate not only Direction of Arrivals (... [more] | |
| MW | 2019-05-16 15:45 |
Osaka | Setunan Univ. | Study on Estimation Method of Directions and Distances for Microwave Power Transmission to Moving Targets Hiroyuki Matsubara, Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) MW2019-16 |
In the Fresnel region, high-efficiency Microwave Power Transmission (MPT) needs to estimate not only Direction of Arriva... [more] | MW2019-16 pp.37-40 |
| WPT | 2019-03-07 14:35 |
Kyoto | Kyoto Univ. Uji Campus | Flat Beam Forming Method by Synthesizing Chebyshev Patterns Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2018-74 |
In microwave power transfer, it is desirable to design a flat beam to achieve high efficiency of rectifiers when we use ... [more] | WPT2018-74 pp.55-58 |
| WPT | 2018-03-03 13:20 |
Kyoto | Kyoto Univ. Uji Campus | Evaluation of Loss in Microwave Power Transfer between Array Antennas in Fresnel Region Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2017-83 |
This paper describes the investigation on the effect of the loss factors when the array antennas are used as the transmi... [more] | WPT2017-83 pp.79-83 |
| AP, WPT (Joint) |
2018-01-18 11:25 |
Nara | ATR | [Invited Lecture]
Attempt 500MHz High Gain Rectenna Ce Wang, Seishiro Kojima, Bo Yang, Daichi Nishio (Kyoto Univ.), Tomoki Kawano (NIT, Tokuyama College) WPT2017-57 |
[more] | WPT2017-57 pp.11-14 |
| WPT | 2017-03-06 14:25 |
Kyoto | Kyoto Univ. Uji Campus | Study of a Transmitting Antenna for High Efficiency Transmission in the Radiative Near Field Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) WPT2016-69 |
In the radiative near field, electric fields mutually cancel each other on a receiving plane because of the phase differ... [more] | WPT2016-69 pp.19-23 |
| AP, WPT (Joint) |
2017-01-20 14:30 |
Hiroshima | Hiroshima Institute of Technology | [Invited Lecture]
Development of Array Antenna Considering Phase Difference in the Near Field Seishiro Kojima, Daichi Nishio, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) AP2016-150 WPT2016-55 |
Synthesis loss occurs in the near field wireless power transmission between array antennas because of the phase differen... [more] | AP2016-150 WPT2016-55 pp.121-125(AP), pp.75-79(WPT) |
| MW | 2016-12-15 14:00 |
Kanagawa | National Defense Academy | Evaluation of Power Transmission Efficiency between Array Antennas in the Near Field Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) MW2016-143 |
Power transmission efficiency between array antennas is calculated by regarding array them as aperture antennas. However... [more] | MW2016-143 pp.61-65 |
| WPT | 2016-03-08 13:10 |
Kyoto | Kyoto Univ. Uji Campus | Study of Wireless Power Transfer at 24 GHz Band Seishiro Kojima (Kyoto Univ.), Yo Yamaguchi, Maki Arai (NTT), Tomohiko Mitani, Naoki Shinohara (Kyoto Univ.) WPT2015-91 |
Recently, WPT (wireless power transfer) technique have attracted attention. In addition, research of wireless communicat... [more] | WPT2015-91 pp.81-84 |
| WPT, MW | 2015-04-16 16:40 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Development of MMIC Rectifier for Wireless Power Transfer Application in High Speed Wireless Communication System at 60 GHz Band Seishiro Kojima, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ), Tomohiro Seki, Maki Arai (NTT) WPT2015-7 MW2015-7 |
Recently, techniques of wireless power transfer have been watched. Previous studies proposed a system that wireless powe... [more] | WPT2015-7 MW2015-7 pp.33-37 |
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