Sawahata Hirohito

サワハタヒロヒト | Sawahata Hirohito

Affiliation and department：

Research field (1)： Electronic devices and equipment

Research theme for competitive and other funds (3)：

2021 - 2026 Battery-free artificial vision using photovoltaic charge-shot circuit based retinal stimulator.
2019 - 2023 運動性ではなく皮膚感覚性の脳波活動を利用したロボット運動制御BMI
2013 - 2017 Research on memory retrieval mechanisms in the primate medial temporal lobe using high-density electrocorticography

Papers (60)：

Rioki Sanda, Koji Yamashita, Hirohito Sawahata, Kensei Sakamoto, Shota Yamagiwa, Shohei Yokoyama, Rika Numano, Kowa Koida, Takeshi Kawano. Low-invasive neural recording in mouse models with diabetes via an ultrasmall needle-electrode. Biosensors & bioelectronics. 2023. 240. 115605-115605
Hisashi Tanigawa, Kei Majima, Ren Takei, Keisuke Kawasaki, Hirohito Sawahata, Kiyoshi Nakahara, Atsuhiko Iijima, Takafumi Suzuki, Yukiyasu Kamitani, Isao Hasegawa. Decoding distributed oscillatory signals driven by memory and perception in the prefrontal cortex. Cell reports. 2022. 39. 2. 110676-110676
Rika Numano, Akihiro Goryu, Yoshihiro Kubota, Hirohito Sawahata, Shota Yamagiwa, Minako Matsuo, Tadahiro Iimura, Hajime Tei, Makoto Ishida, Takeshi Kawano. Nanoscale-tipped wire array injections transfer DNA directly into brain cells ex vivo and in vivo. FEBS open bio. 2022. 12. 4. 835-851
Koji Yamashita, Hirohito Sawahata, Shota Yamagiwa, Shohei Yokoyama, Rika Numano, Kowa Koida, Takeshi Kawano. A floating 5 μm-diameter needle electrode on the tissue for damage-reduced chronic neuronal recording in mice. Lab on a chip. 2022. 22. 4. 747-756
Yuto Kita, Shuhei Tsuruhara, Hiroshi Kubo, Koji Yamashita, Yu Seikoba, Shinnosuke Idogawa, Hirohito Sawahata, Shota Yamagiwa, Xian Long Angela Leong, Rika Numano, et al. Three-micrometer-diameter needle electrode with an amplifier for extracellular in vivo recordings. Proceedings of the National Academy of Sciences of the United States of America. 2021. 118. 16

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MISC (41)：

村山璃緒, 沼野利佳, 澤畑博人. 光起電力チャージショット型神経刺激システムの自由行動下マウス実験応用. 2021年度先進的技術シンポジウム(ATS2021). 2022. 2408
舟生蓮, 澤畑博人. 時空間2次元フィルタを用いた生体電気信号の伝搬成分検出技術. 第69回応用物理学会春季学術講演会講演予稿集. 2022. 24p-E203-7
Daisuke KONNO, Riku TAKAMURA, Hirohito SAWAHATA. Decoding from somatosensory EEG response using machine learning for robot control brain machine interface. 2021. 18. 24-24
Riku TAKAMURA, Daisuke KONNO, Hirohito SAWAHATA. Spectral analysis of somatosensory EEG activity for artificial limb robot control BMI application. 2021. 18. 23-23
斗内凌平, 小谷裕太, 山下幸司, 三田理央毅, 澤畑博人, 山際翔太, 沼野利佳, 鯉田孝和, 河野剛士. A high-density array of microneedle electrodes for multisite recording of neural activity in mice and evaluation of the spatial resolution. センサ・マイクロマシンと応用システムシンポジウム(CD-ROM). 2021. 38th

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Patents (4)：

プローブ刺入デバイス、プローブ刺入デバイスの挿入方法、及び電気信号取得方法
電極及びその用途
意思伝達支援装置、意思伝達支援方法、及びプログラム
生体信号検出システム、生体信号検出方法及びプログラム

Books (1)：

Flexible and Stretchable Medical Devices
WILEY-VCH 2018

Lectures and oral presentations (62)：

Detection of the horizontal propagation vector in EEG signals
(2024)
Somatosensory EEG based brain-machine interface for substituting finger motion
(2024)
Neural Stimulator using Photovoltaic Power and Electric Double-Layer Capacitance
(2024)
Drone simulator in a virtual space for operation training assistance
(The 25th Annual Meeting of Japan Society of Kansei Engineering 2023)
Neural recording in mouse models with diabetes using a 5 μm-diameter needle-electrode
(2023)

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Professional career (1)：

博士(工学) (山形大学)

Work history (5)：

2021/04 - 現在 Ibaraki National College of Technology
2019/04 - 2021/03 Ibaraki National College of Technology
2018/04 - 2019/03 産業技術総合研究所人間情報研究部門産総研特別研究員
2014/03 - 2018/03 Toyohashi University of Technology
2009/01 - 2013/02 Niigata University Graduate School of Medical and Dental Sciences

Awards (5)：

2023/12 - The高専@SEMICON2023 優勝感覚性脳波を利用したブレインマシンインタフェース
2022/12 - The高専@SEMICON2022 優勝光起電力チャージショット回路を用いた神経刺激技術
2021/03 - 2021年度先進的技術シンポジウム(ATS2021) 優秀学術賞光起電力チャージショット型神経刺激システムの自由行動下マウス実験応用
2020/03 - 2019年度先進的技術に関するシンポジウム優秀ポスター賞シリコンマイクロニードル電極クラスタを用いた大脳皮質内の神経活動伝搬ベクトル検出
2017/11 - 電気学会センサ・マイクロマシン部門優秀技術論文賞皮質脳波活動の水平伝番ベクトル検出技術

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