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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| NC, IPSJ-BIO | 2013-06-28 10:30 |
Okinawa | Okinawa Institute of Science and Technology | Optimal pairs of coupling function and STDP window function for auto-associative memory Ryota Miyata, Keita Sato, Toru Aonishi (Tokyo Inst. of Tech.)  NC2013-6 |
From the computational viewpoint, Lengyel et al. (2005) derived an optimal auto-associative memory algorithm to store an... [more] | NC2013-6 pp.101-106 |
| MW | 2013-03-06 13:25 |
Hiroshima | Hiroshima Univ. | Miniaturization of a Multilayered Dual-Band Bandpass Filter Yuta Takagi, Kei Satoh, Shoichi Narahashi (NTT DOCOMO) MW2012-164 |
[more] | MW2012-164 pp.33-36 |
| MW | 2012-12-13 16:15 |
Yamanashi | Univ. of Yamanashi | Parallel-Ring-Type Rat-Race Circuit for Loose Coupling Utilizing Composite Right/Left-Handed Transmission Lines Yuma Simitomo, Tadashi Kawai, Akira Enokihara, Isao Ohta (Univ. of Hyogo), Kei Satoh, Yasunori Suzuki, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) MW2012-132 |
This paper treats a parallel-ring-type rat-race circuit for loose coupling utilizing composite right-/left-handed transm... [more] | MW2012-132 pp.31-36 |
| SR | 2012-05-24 17:15 |
Kanagawa | Keio univ. at Hiyoshi | [Panel Discussion]
Multi-band operation for mobile terminals Shoichi Narahashi, Hiroshi Okazaki, Atsushi Fukuda, Takayuki Furuta, Kunihiro Kawai, Kei Satoh, Yuta Takagi (NTT DOCOMO) SR2012-12 |
It is a key issue for radio frequency (RF) circuits of future mobile terminals to equip with multi-band operation archit... [more] | SR2012-12 pp.73-78 |
| MW | 2012-03-02 13:00 |
Saga | Saga University | High Power Operation for Broadband Branch-Line Coupler with Coupled Lines Tadashi Kawai, Toshiki Hayashi, Akira Enokihara, Isao Ohta (Univ. of Hyogo), Kei Satoh, Yasunori Suzuki, Hiroshi Okazaki, Shoichi Narahashi (NTT DOCOMO) MW2011-184 |
[more] | MW2011-184 pp.91-95 |
| OPE, MW, MWP, EMT, EST, IEE-EMT [detail] | 2011-07-22 12:15 |
Hokkaido | Dual-Band Bandpass Filter Using Multilayered LTCC Technologies Yuta Takagi, Kei Satoh, Shoichi Narahashi (NTT DOCOMO) MW2011-61 OPE2011-48 EST2011-47 MWP2011-29 |
[more] | MW2011-61 OPE2011-48 EST2011-47 MWP2011-29 pp.131-134 |
|
| MW | 2011-06-23 15:15 |
Gifu | National Institute for Fusion Science | New Approach for Configuring a Compact High-Temperature Superconducting Dual-Band Bandpass Filter Yuta Takagi, Kei Satoh, Shoichi Narahashi (NTT DOCOMO) MW2011-34 |
[more] | MW2011-34 pp.13-16 |
| OFT | 2010-05-27 13:50 |
Hiroshima | tomo-kouminkan | Enhanced separable optical fiber ribbon Tomoya Shimizu (NTT Corp.), Keisuke Sato (TTK), Toshihiko Sekiguchi, Toshio Kurashima (NTT Corp.) OFT2010-3 |
The conventional optical four-fiber ribbon can be separated into individual fibers for using each of the fibers in the o... [more] | OFT2010-3 pp.13-16 |
| SCE, MW | 2010-04-23 10:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | High-Temperature Superconducting Parallel-Planar Dual-Band Bandpass Filter
-- Evaluation of Frequency Responses Affected by Temperature Difference between Two Substrates -- Yuta Takagi, Kei Satoh, Daisuke Koizumi, Shoichi Narahashi (NTT DOCOMO) SCE2010-4 MW2010-4 |
We have been proposed a high-temperature superconducting parallel-planar dual-band bandpass filter (HTS-DBPF) which has ... [more] | SCE2010-4 MW2010-4 pp.17-22 |
| SCE, MW | 2010-04-23 11:10 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Available fractional bandwidths for high temperature superconducting compact dual-band bandpass filter Kei Satoh, Yuta Takagi, Shoichi Narahashi (NTT DOCOMO), Toshio Nojima (Hokkaido Univ.) SCE2010-5 MW2010-5 |
This paper presents a flexible design method for dual-band bandpass filters. The gist of the proposed method lies in usi... [more] | SCE2010-5 MW2010-5 pp.23-26 |
| IT | 2010-01-08 15:10 |
Overseas | Univ. of Hawaii | Improvement in accuracy of sequence alignment by the MTRAP algorithm Toshihide Hara, Keiko Sato, Masanori Ohya (Tokyo Univ. of Science) IT2009-69 |
Sequence alignment is one of the most important techniques in study of life science. However it is still a difficult com... [more] | IT2009-69 pp.99-104 |
| IT | 2010-01-08 15:30 |
Overseas | Univ. of Hawaii | Classification of Influenza A Viruses by Entropic Chaos Degree Keiko Sato, Tomonori Tanabe (Tokyo Univ. of Science) IT2009-70 |
Various influenza A viruses are classified by using a measure developed in the study of chaos in terms of Information Dy... [more] | IT2009-70 pp.105-109 |
| MW | 2009-11-19 14:55 |
Kagoshima | Tanegashima | Improvement in Capacity Performance of W-CDMA Systems Achieved through Cryogenic Receiver Front-End Kei Satoh, Yasunori Suzuki, Tetsuya Mimura, Shoichi Narahashi (NTT DOCOMO), Toshio Nojima (Hokkaido Univ.) MW2009-132 |
This paper presents an improvement in capacity performance of a wideband code division multiple access (W-CDMA) system r... [more] | MW2009-132 pp.25-28 |
| MW (Workshop) |
2009-08-20 - 2009-08-21 |
Overseas | KMUTNB, Bangkok, Thailand | Compact 2.1-/2.7-GHz High Temperature Superconducting Bandpass Filter Yuta Takagi, Kei Satoh, Shoichi Narahashi (NTT DOCOMO) |
This paper proposes a compact high temperature superconducting (HTS) dual-band bandpass filter (DBPF). The architecture ... [more] | |
| MW (Workshop) |
2009-08-20 - 2009-08-21 |
Overseas | KMUTNB, Bangkok, Thailand | 2.0-/3.5-GHz Bandpass Filter Employing Quarter-Wavelength Resonator with Open Stubs Kei Satoh, Yuta Takagi, Shoichi Narahashi (NTT DOCOMO), Toshio Nojima (Hokkaido Univ.) |
This paper presents a dual-band bandpass filter (DBPF) that has coplanar-waveguide quarter-wavelength resonators with op... [more] | |
| MW | 2009-03-06 17:30 |
Tokyo | NHK Science & Technical Research Lab. | [Special Talk]
Briefing Report on European Microwave Conference 2008 Shoichi Narahashi, Kei Satoh, Kunihiro Kawai (NTT DOCOMO), Tetsuo Anada, Chun-Ping Chen (Kanagawa Univ.), Kazuhiro Fujimori (Okayama Univ.), Hiroyuki Takahashi (NTT), Hiroyuki Kayano (Toshiba), Kazuhisa Yamauchi, Masaomi Tsuru (Mitsubishi Electric), Takuo Kashiwa (Furuno Electric) MW2008-209 |
The Microwave week 2008, comprising the European Microwave Conference, European Wireless Technology Conference, European... [more] | MW2008-209 pp.111-122 |
| OFT, OCS, ITE-BCT, IEE-CMN (Joint) [detail] |
2008-11-20 09:35 |
Oita | A Study to apply HAF(Hole-Assisted Fiber) for Optical fibre cable joint Shigeru Tomita, Tetsuya Hoshijima, Ryo Koyama, Kotaro Saito, Yoshiteru Abe (NTT), Koji Koseki (EXEO), Keisuke Sato (TTK), Takuya Sekine (Ikeno Tsuken) OFT2008-49 |
[more] | OFT2008-49 pp.15-18 |
|
| MW | 2008-06-27 10:50 |
Aichi | Toyohashi Univ. of Tech. | A four-pole CPW dual-band bandpass filter Kei Satoh, Yuta Takagi, Shoichi Narahashi (NTT DoCoMo) MW2008-36 |
This paper proposes a newly developed CPW quarter-wavelength resonator with open stubs for use in a multipole dual-band ... [more] | MW2008-36 pp.29-32 |
| IT | 2005-07-22 13:00 |
Osaka | Osaka Prefecture Univ. | Proposition of the alignment of the amino acid array which considers the base mutation of the configuration codon Toshihide Hara, Keiko Sato, Masanori Ohya (TUS) |
[more] | IT2005-45 pp.19-23 |
| IT | 2005-07-22 13:25 |
Osaka | Osaka Prefecture Univ. | Comparison of Genomes in Immunodeficiency Virus by Entropic Chaos Degree Takashi Hitani, Keiko Sato, Masanori Ohya (TUS) |
It is important to take various techniques and results obtained in Information Theory to analyze various aspects of life... [more] | IT2005-46 pp.25-28 |
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