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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 9 of 9  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP, MW
(Joint)
2022-09-16
12:25
Ehime The Museum of Art, EHIME
(Primary: On-site, Secondary: Online)
Bandwidth Enhancement of a Spherical Helix Antenna with Multi-Mode Excitation
Takuma Shimada (MIT), Mina Nishie, Keisuke Noguchi (KIT), Keisuke Fujita (MIT) AP2022-89
We propose the electrically small spherical helix antenna (SHA) with a folded structure to achieve broadbanding by using... [more] AP2022-89
pp.100-105
AP, WPT
(Joint)
2020-01-24
10:50
Kagawa Sunport Hall Takamatsu [Tutorial Lecture] Research on optimal small antennas using the spherical wave expansion
Keisuke Fujita (Maebashi Tech.) AP2019-169
The optimum current on electrically small spherical antennas is obtained using the spherical wave expansion. The radiati... [more] AP2019-169
pp.105-109
EMT, IEE-EMT 2015-10-30
13:50
Miyazaki Holiday Inn ANA Resort Miyazaki A Study on Radiation Characteristics for Electrically Small Spherical Conducting Shell Antennas
Keisuke Fujita, Hiroshi Shirai (Chuo Univ.) EMT2015-74
A thin and small spherical shell shaped antenna as a model of current distribution caused by the skin effect will be ana... [more] EMT2015-74
pp.161-166
NLP 2015-03-03
13:25
Hyogo Hyogo Prefecture Citizens' Hall Methods of Generating Regular Graphs with Short Average Path Length
Keisuke Fujita, Norikazu Takahashi (Okayama Univ.) NLP2014-144
The problem of finding a regular graph with given number of vertices and given degree that minimizes the average path le... [more] NLP2014-144
pp.7-12
NS, IN
(Joint)
2013-03-08
11:10
Okinawa Okinawa Zanpamisaki Royal Hotel Proposal of Detour Multipath Routing Protocol in Wireless Sensor Networks for Data Gathering
Keisuke Fujita, Yumi Takaki, Chikara Ohta, Hisashi Tamaki (Kobe Univ.) NS2012-215
In battery-powered wireless sensor networks (WSNs), system lifetime is strongly affected by drain of nodes' batteries. I... [more] NS2012-215
pp.289-294
SCE 2011-01-24
13:30
Tokyo Kikai-Shinko-Kaikan Bldg Measurement of optical responses of YBCO Josephson junctions and nanobridges to develop optical switching devices
Shinya Kikuta, Ryosuke Kaneko (Osaka Univ.), Iwao Kawayama (Osaka Univ./PRESTO-JST), Hironaru Murakami (Osaka Univ.), Kemmei Kajino, Keisuke Fujita, Baoyu An, Masumi Inoue, Akira Fujimaki (Nagoya Univ.), Masayoshi Tonouchi (Osaka Univ.) SCE2010-42
We have developed novel ultrafast optical switching devices which modulate superconducting current under irradiation of ... [more] SCE2010-42
pp.35-40
SCE 2010-10-19
10:15
Tokyo Kikai-Shinko-Kaikan Bldg. Ratchet-like behavior of the vortex in asymmetrical nanobridges
Keisuke Fujita, Kemmei Kajino, Keita Hayakawa, Baoyu An, Masumi Inoue, Akira Fujimaki (Nagoya Univ.) SCE2010-24
We fabricated YBa2Cu3O7-x (YBCO) nanobridges with an asymmetric structure, which were expected to show asymmetric curren... [more] SCE2010-24
pp.1-5
OME 2009-01-21
11:15
Aichi Nagoya Univ. Fabrication and characterization of organic thin-film-transistor with dibenzocrysene film
Keisuke Fujita, Makoto Kimura, Tatsuo Mori (Nagoya Univ.) OME2008-85
For organic thin-film transistors (OTFTs), pentacene is often used as a typical semiconductor material and reported to h... [more] OME2008-85
pp.19-22
OME 2008-01-25
14:15
Aichi Aichi Institute of Technology Fabrication and property of dibenzochrysene film for organic field effect transistor
Keisuke Fujita, Makoto Kimura, Tatsuo Mori (Nagoya Univ.) OME2007-78
For organic field effect transistors (OFETs), pentacene is used as a typical semiconductor material and has as high mobi... [more] OME2007-78
pp.25-29
 Results 1 - 9 of 9  /   
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