Faculty Profiles - UCHIYAMA, Tsuyoshi

Papers - UCHIYAMA, Tsuyoshi

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Brain activity measurement in the occipital region of head using a magento-impedance sensor Reviewed

S. Tajima, T. Uchiyama, Y. Okuda, K. Wang

Sensing Technology (ICST), 2013 Seventh International Conference on 2013.12

Language：English Publishing type：Research paper (scientific journal)

We have achieved pico-Tesla (10-8Oe) resolution in micro magneto-impedance(MI) sensors by utilizing ultra-low noise of amorphous wire owing to pulse excitation. In the present study, we measured brainwaves using an MI sensor, and the results showed that brain activity can be evaluated by the sensor. We compared our results with electroencephalogram (EEG) and magneto- encephalogram (MEG)

DOI： 10.1109/ICSens T.2013.6727656

マルチコアヘッドによるコイル検出型磁気インピーダンスセンサの開発

内山　剛、蔡　長梅、濱田典彦

電気学会研究会資料（マグネディックス、リニアドライブ合同研究会） ( MAG-13-028~047,LD-13-032~051 ) page： 67-70 2013.6

Arousal Effect of Physiological Magnetic Stimulation on Car Driver's Pit of Stomach Evaluated with Electroencephalogram Using Driving Simulation Reviewed

Y. Mohri, M. Yamada, K. Sakai, W. Kato, K. Mohri, and T. Uchiyama

Progress In Electromagentics Research Symposium Proceedings page： 1061-1065 2013.3

MI素子を利用した高精度グラジオメーターによる摘出細胞組織の活動磁気計測

内山　剛，中山晋介

電気学会研究会資料（マグネティク研究会） ( MAG-13 ) page： 49-54（MAG-13-12) 2013.2

Human Biomagnetic Field Measurement Using Pico-Tesla Sensitive Amorphous Wire Magnetoimpedance Sensor Invited Reviewed

T. Uchiyama , K. Mohri, S. Nakayama,

Sensor Letter Vol. 11 ( 1 ) page： 191-194 2013.1

Magnetic sensors using amorphous metal materials: Detection of premature ventricular magnetic waves Reviewed

T. Uchiyama S. Nakayama

Physiological Reports Vol. 1 ( 2 ) page： e00030 2013

Super MI sensor:resent advances of amorphous wire and CMOS-IC magneto-impedance sensor Invited Reviewed

K. Mohri , Y. Honkura, L. V. Panina, T. Uchiyama

J. Nonosci Nanotechnol Vol. 12 ( 9 ) page： 7491-7495 2012.10

Recent Advances of Pico-Tesla Resolution Magneto-Impedance Sensor Invited Reviewed

T. Uchiyama, K. Mohri, Y. Honkura, L.V. Panina

IEEE TRANSACTIONS ON MAGNETICS Vol. 48 ( 11 ) page： 3833-3839 2012.10

Language：English Publishing type：Research paper (scientific journal)

We have developed sensitive micro magnetic sensors referred to as MI sensors based on magneto-impedance effect in amorphous wires and CMOS IC electronic circuits providing a sharp-pulse excitation. Micro sized MI-HIC chips have been in mass production of electronic compasses by Aichi Steel Corp. since 2002 for mobile phones and since 2010 for smart phones. Recently we have realized pico-Tesla resolution for micro MI sensors making use of ultralow intrinsic magnetic noise in amorphous wires with the pulse magnetoimpedance effect. The pico-Tesla MI sensor is useful especially for bio-magnetic measurements without any magnetic shielding at room temperature. In order to avoid a risk of traffic accident due to noise reduction electric vehicles, an alert systemfor the pedestrians having a smart phone would be useful, if pico-Tesla MI sensor were built in the smart phones.

Physiological Magnetic Stimulation for Arousal of Elderly Car Driver Reviewed

K. Mohri, T. Uchiyama, M. Yamada, Y. Mohri, K. Endo, T.Suzuki, Y. Inden

IEEE TRANSACTIONS ON MAGNETIC Vol. 48 ( 11 ) page： 3505-3508 2012.10

アモルファスワイヤMI素子の高周波特性と磁気センサ応用

山田斉哉、内山　剛、河原真二、山本俊也

電気学会研究会資料（マグネティク研究会） Vol. MAG-12 ( 081~101 ) page： 21-25 2012.9

MIセンサを利用した道路脇設置型スマート・トラフィックカウンタによる車両通行計測

梶浦恭裕、後藤宏明、今川由加、内山　剛

電気学会研究会資料（マグネティク研究会） Vol. MAG-12 ( 081~101 ) page： 79-82 2012.9

Pulse-Driven Magnetoimpedance Sensor Detection of Cardiac Magnetic Activity Reviewed

S. Nakayama, K. Sawamura, K. Mohri, T. Uchiyama

PLoS ONE. Vol. 6 ( 10 ) 2011

On thestate-of-the-art in magnetic microwires and expected trends for scientific andtechnological studies Reviewed

M. Va´zquez, H. Chiriac, A. Zhukov, L. Panina, T. Uchiyama

Phys. Stat. Solid. A Vol. 208 page： 493-501 2011

Arousal Effect of Physiological Magnetic Stimulation on Elder Person's Spine for Prevention of Drowsiness During Car Driving Reviewed

K. Mohri, T. Uchiyama, M. Yamada, T. Watanabe,Y. Inden, T. Kato , S. Iwata

IEEE Trans. Magn. Vol. 47 ( 10 ) page： 3066-3069 2011

Measurement of spontaneous oscillatory magnetic field of guinea-pig stomachmuscle preparation using pico-Tesla resolution amorphous wire magneto-impedance sensor Reviewed

T. Uchiyama ,K. Mohri, S. Nakayama

IEEE Trans. Magn. Vol. 47 ( 10 ) page： 3070-3073 2011

Pulse-driven magnetoimpedance sensor detection of biomagnetic fields in musculatures with spontaneous electric activity Reviewed

S. Nakayama S. Atsuta T Shinmi T. Uchiyama

Biosensors and Bioelectronics Vol. 27 page： 34-39 2011

超高感度MIセンサによるモルモット摘出細胞組織の自発性磁気活動計測

内山　剛、中山晋介、毛利佳年雄

電気学会研究会資料(マグネティックス/医用・生体工学合同研究会） ( MAG-10-156~166/MBE-10-157~167 ) page： 53-57 2010.11

パルス励磁アモルファスワイヤ磁気インピーダンスセンサの高感度化の検討

内山　剛　磯部公彦

電気学会研究会資料（マグネティク研究会） ( MAG-10-106~117 ) page：２９－３２ 2010.9

超高感度MIセンサを用いた脳波検出技術の信頼性の検証

牧　鉄兵、内山　剛

電気学会研究会資料（マグネティク研究会） ( MAG-10-106~117 ) page： 49-53 2010.9

Sensing of Human Micro-vibration Transmitted Along Solid Using Pico-Tesla Magneto-impedance Sensor (pT-MI Sensor) Reviewed

K. Mohri, Y. Nakamura, T. Uchiyama, Y. Mohri, Yu. Mohri, Y. Inden

PIERS ONLINE Vol. 6 ( 2 ) page： 161-164 2010

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Papers - UCHIYAMA, Tsuyoshi