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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| WPT, EMCJ (Joint) |
2017-11-21 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Analysis of a Wireless Power Transfer System by the Impedance Expansion Method Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.)  WPT2017-47 |
The impedance expansion method (IEM), which was previously proposed by the authors, is a circuit-modeling technique for ... [more] | WPT2017-47 pp.15-20 |
| WPT, EMCJ (Joint) |
2017-11-21 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Circuit Modeling of a Wireless Power Transfer System by the Impedance Expansion Method Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT2017-48 |
The impedance expansion method (IEM), which was previously proposed by the authors, is a circuit-modeling technique for ... [more] | WPT2017-48 pp.21-26 |
| WPT, EMCJ (Joint) |
2017-11-21 14:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Numerical Study of Transmission Efficiency between Antennas in Seawater Naomichi Fujii, Hiroyasu Sato, Qiang Chen (Tohoku Univ.), Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Hiroshi Yoshida, Ryotaro Suga (JAMSTEC) WPT2017-50 |
In recent years, wireless communications in seawater by using electromagnetic waves has been studied because a robust co... [more] | WPT2017-50 pp.33-37 |
| EE, WPT, IEE-SPC [detail] | 2017-07-27 13:00 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Circuit Modeling of Electrically-Very-Small Devices Based on Laurent Series Expansion of Self-/Mutual Impedances Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) EE2017-14 WPT2017-19 |
This report proposes a circuit modeling technique for electrically-very-small devices, e.g. electrodes for intrabody com... [more] | EE2017-14 WPT2017-19 pp.31-36 |
| EE, WPT, IEE-SPC [detail] | 2017-07-27 13:25 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Passive Element Approximation of Equivalent Circuits Obtained by the Impedance Expansion Method Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) EE2017-15 WPT2017-20 |
The impedance expansion method (IEM), which was previously proposed by the authors, is the circuit modeling technique fo... [more] | EE2017-15 WPT2017-20 pp.37-41 |
| AP | 2017-03-16 13:00 |
Iwate | Iwate Univ. | A Decoupling Method for 2 Elements MIMO Antennas using a Short Stub Takuya Miyasaka (Chiba Univ.), Hiroshi Sato (Panasonic Co.), Keita Kuriyama, Masaharu Takahashi (Chiba Univ.) AP2016-182 |
Recently, there is MIMO technology which is one of wireless technologies. This technology communicates in parallel by us... [more] | AP2016-182 pp.27-30 |
| AP | 2017-03-16 15:50 |
Iwate | Iwate Univ. | Approach to undersea position estimation Masaharu Takahashi, Koji Noda (Chiba Univ.), Qiang Chen (Tohoku Univ.), Nozomi Ishii (Niigata Univ.) AP2016-188 |
As an application of radio waves in the ocean, we investigated a position estimation system underwater. In this report, ... [more] | AP2016-188 pp.59-62 |
| AP | 2017-02-16 10:55 |
Tochigi | Tochigiken-sougou-bunnka Center | [Invited Lecture]
Method of mutual coupling reduction between closely placed MIMO antennas Hiroshi Sato, Yoshio Koyanagi (Panasonic), Masaharu Takahashi (Chiba Univ.) AP2016-157 |
Recently, in order to realize large capacity wireless communication, MIMO technology is generally installed in a compact... [more] | AP2016-157 pp.5-10 |
| AP | 2016-12-08 12:50 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Pseudo scale model for electromagnetic fields produced by infinitesimal electric and magnetic dipoles in seawater Nozomu Ishii (Niigata Univ.), Masaharu Takahashi (Chiba Univ.), Qiang Chen (Tohoku Univ.) AP2016-125 |
In this report, we discuss the pseudo-scale rule which is the basic principle for laboratory experiments simulating elec... [more] | AP2016-125 pp.11-16 |
| AP, MW (Joint) |
2016-09-15 11:20 |
Ibaraki | AIST | Exploring EM Wave Applications under Sea Water
-- Concept of Positioning System Using Amplitude Decay -- Qiang Chen (Tohoku Univ.), Masaharu Takahashi (Chiba Univ.), Nozomu Ishii (Niigata Univ.) AP2016-92 |
[more] | AP2016-92 pp.25-28 |
| AP | 2015-07-30 10:00 |
Hokkaido | Wakkanai Sougou Bunka Center | Dual-Band Decoupling Method for Two MIMO Antenna Using Branch Elements Keita Kuriyama, Keisuke Okuda, Hiroshi Sato, Masaharu Takahashi (Chiba Univ.) AP2015-39 |
Recently, the technology of MIMO (Multiple-Input Multiple-Output) using multiple antennas and CA (Carrier Aggregation) u... [more] | AP2015-39 pp.1-6 |
| EMCJ, IEE-EMC, IEE-MAG | 2015-06-26 13:10 |
Overseas | KMITL, Thailand | [Poster Presentation]
SAR estimations for a human body owing to various positions of a typical tablet computer Akihiro Tateno (Chiba Univ.), Tomoaki Nagaoka (NICT), Kazuyuki Saito (Chiba Univ.), Soichi Watanabe (NICT), Masaharu Takahashi, Koichi Ito (Chiba Univ.) EMCJ2015-25 |
[more] | EMCJ2015-25 p.49 |
| EMCJ | 2015-04-28 13:05 |
Tochigi | Utsunomiya Univ. | Measurement System Validation for Specific Absorption Rate of Mobile Wireless Device
-- Design of the Reference Antenna for the System Validation -- Lira Hamada, Soichi Watanabe (NICT), Jianqing Wang (NIT), Masaharu Takahashi (Chiba Univ.), Yoshitsugu Kamimura (Utsunomiya Univ.), Nozomu Ishii (Niigata Univ.), Teruo Onishi (NTT DOCOMO) EMCJ2015-1 |
The SAR reference values by standard dipole antennas for the performance validation of the measurement equipment are des... [more] | EMCJ2015-1 pp.1-4 |
| MICT | 2015-03-05 16:00 |
Kanagawa | Yokohama Mitsui Building | [Invited Talk]
Patient monitoring system using RFID Masaharu Takahashi (Chiba Univ.) MICT2014-77 |
Recently, wireless patient monitoring systems attracts attention. This paper presents patient monitoring systems using R... [more] | MICT2014-77 pp.23-28 |
| AP, RCS (Joint) |
2014-11-12 13:35 |
Yamagata | Yamagata University, Yonezawa Campus | Decoupling Method for MIMO Antenna using Meander Branch Shape Keisuke Okuda, Hiroshi Sato, Masaharu Takahashi (Chiba Univ.) AP2014-135 |
Recently, MIMO (Multiple-Input Multiple-Output) technology is introduced in various small terminals. If MIMO technology ... [more] | AP2014-135 pp.41-44 |
| AP | 2014-06-12 14:20 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Performance Evaluation of a Dual-band Implantable Antenna Design using a Human-Arm-Model Lin HoYu (KDDI R&D Lab.), Masaharu Takahashi, Kazuyuki Saito, Koichi Ito (Chiba Univ.) AP2014-44 |
Implantable devices (IMDs) have been continually anticipated as a future tool for in-body wireless communication because... [more] | AP2014-44 pp.25-28 |
| MICT, RCC | 2014-05-30 16:15 |
Tokyo | Kikai-Shinko-Kaikan Bldg | SAR of pregnant female radiated from high-definition numerical models of wireless radio terminal Akihiro Tateno (Chiba Univ.), Tomoaki Nagaoka (NICT), Kazuyuki Saito (Chiba Univ.), Soichi Watanabe (NICT), Masaharu Takahashi (Chiba Univ.), Joe Wiart (France Telecom), Koichi Ito (Chiba Univ.) RCC2014-21 MICT2014-21 |
Recently, as the wireless communication technology is becoming diverse and developing, new types of wireless radio termi... [more] | RCC2014-21 MICT2014-21 pp.105-108 |
| AP | 2014-01-22 14:50 |
Kagoshima | Hozan Hall (Kagoshima Prefectural Culture Center) | The RFID Tag Antenna for Embedded in a Plaster Takafumi Matsumura, Masaharu Takahashi, Kazuyuki Saito, Koichi Ito (Chiba Univ.) AP2013-142 |
Recent year, Radio Frequency IDentification (RFID) system can be used in a medical and emergency fields. Now, we suggest... [more] | AP2013-142 pp.49-52 |
| AP (2nd) |
2014-01-08 15:20 |
Overseas | Le Quy Don Technical University (Hanoi, Vietnam) | Performance evaluation of biological tissue coagulation device by microwave energy Kazuyuki Saito, Yoshito Tezuka, Yuta Endo, Masaharu Takahashi, Koichi Ito (Chiba Univ.) |
In recent years, various types of medical applications of microwaves have widely been investigated and reported. In thi... [more] | |
| AP (2nd) |
2014-01-08 16:30 |
Overseas | Le Quy Don Technical University (Hanoi, Vietnam) | Development of antenna for wireless power transmission to capsular endoscope Syougo Tsuzaki, Kazuyuki Saito, Masaharu Takahashi, Koichi Ito (Chiba univ) |
[more] | |
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