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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 14 of 14  /   
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
 Results 1 - 14 of 14  /   
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