OKUMURA Hironori

Affiliation
Institute of Pure and Applied Sciences
Official title
Associate Professor
ORCID
0000-0002-5464-9169
KAKEN ID
80756750
URL
Research fields
Electronic materials/Electric materials
Crystal engineering
Thin film/Surface and interfacial physical properties
Research projects
Development of an Innovative Contact Lens Device for Measurement and Removal of Reactive Oxygen Species in Advanced Dry Eye Treatment2025-04 -- 2026-03Sujin Hoshi筑波大学/系横断R&Dプロジェクト/1,600,000Yen
半導体材料2024-04 -- 2027-03奥村宏典東京エレクトロン/2023年度　共同研究公募制度
Development of an Innovative Contact Lens Device for Measurement and Removal of Reactive Oxygen Species in Advanced Dry Eye Treatment2024-04 -- 2025-03Sujin HoshiUniv. of Tsukuba/R&D Project with Inter-Faculty Team2,000,000Yen
Development of vacuum UV light emitting devices with controllable wavelength2024-04 -- 2027-03Hironori OkumuraTEPCO Memorial Foundation/基礎研究7,875,000Yen
Fabrication of vertical AlN devices2023-04 -- 2027-03Hironori OKUMURAJapan Society for the Promotion of Science/Grant-in-Aid for Scientific Research(B)18,590,000Yen
Demonstration of pixel detectors with high radiation tolerant semiconductors2022-04 -- 2024-03Hironori OkumuraTIA program/Kakehashi3,810,000Yen
Ga2O3 hot electron transistors2021-10 -- 2023-03Hironori OkumuraSEI group CSR Foundation/Research grant1,700,000Yen
Activation mechanism of implanted impurities in III-Nitrides2021-04 -- 2025-03Akira UedonoJapan Society for the Promotion of Science/Grant-in-Aid for Scientific Research(B)17,290,000Yen
Normally-off operation of (AlGa)2O3/Ga2O3 HEMTs2020-10 -- 2021-09Hironori OkumuraSamco Science and Technology Foundation/4th Research grant2,000,000Yen
Development of radiation-tolerance GaN optical detectors2020-06 -- 2021-05Hironori OkumuraThe Murata Science Foundation/36th Research grant2,250,000Yen
more...
Career history
2025-07 -- (current)University of Tsukuba,Institute of Pure and Applied Sciences,Associate Professor
2018-04 -- 2025-06Institute of Pure and Applied Sciences,Assistant Professor (Tenure)
2016-04 -- 2018-03MIT,EECS,visiting researcher
2015-04 -- 2016-03EPFL,Physics,visiting researcher
2015-04 -- 2018-03University of Tsukuba,Assistant Professor (Tenure Track)
2014-04 -- 2015-03NTT Basic research laboratory,Post-doc
2012-04 -- 2014-03UCSB,Materials,Post-doc (JSPS fellowship)
Academic background
2007-04 -- 2012-03Kyoto University Electrical and Electronics Engineering
2003-04 -- 2007-03Kyoto University Electrical and Electronics Engineering
Degree
2012-03Ph.D, engineeringKyoto University
Licenses and qualifications
2014-10Specified high pressure gas handling supervisor
Academic societies
2021-12 -- (current)JSAP Ionization Radiation Division
2019-12 -- (current)Japanese Society of Applied Physics
2019-12 -- 2021-12Japanese Association for Crystal Growth
2016-12 -- 2018-12Material Research Society
Honors & Awards
2021-03-08CGCT Young Scientist Award
2020-11-17Young Faculty Award in University of Tsukuba
2019-09-03SSDM Young Researcher Award
Articles
Books
Conference, etc.
  • GaN radiation detectors with low-gain avalanche diode structure
    OKUMURA Hironori
    the 15th International Conference on Nitride Semiconductors/2025-07-06
  • Si doping of alpha-Al2O3 grown by molecular beam epitaxy
    Okumura Hironori
    International Workshop on Gallium Oxide and Related Materials/2024-05-26--2024-05-31
  • High-temperature and high-power devices using AlN
    Okumura Hironori
    16th International Symposium on Advanced Plasma Science/2024-03-03--2024-03-07
  • 1000 K operation of SBDs and MESFETs with Si-implanted AlN channel
    Okumura Hironori
    The 14th International Conference on Nitride Semiconductors/2023-11-12--2023-11-17
  • Electrical properties of silicon-implanted alpha-Al2O3
    Okumura Hironori; Jinno Riena; UEdono Akira; Imura Masataka
    The 4th International Workshop on Gallium Oxide and Related Materials/2022-10-23--2022-10-27
  • Alpha-particle detectors with GaN PiN homoepitaxial layer
    Okumura Hironori; Ogawara Yohei; Togawa Maanbu; Miyahara ...
    2021 International Conference on Solid State Devices and Materials/2021-09-06--2021-09-09
  • Photo-induced Conductivity Transient in n-type β-(Al0.16Ga0.84)2O3 and β-Ga2O3
    Traore Aboulaye; Gouveia Maria; Hironori Okumura; Mannequ...
    2020 International Conference on Solid State Devices and Materials SSDM 2020/2020-09-27--2020-09-30
  • Electrical property of n-type β-(AlGa)2O3 layers with low Al composition
    Okumura Hironori
    8th Asian Conference on Crystal Growth and Crystal Technology/2021-03-01--2021-03-04
  • Growth and electrical property of n-type β-(AlGa)2O3 layers
    Okumura Hironori
    Virtual Workshop on Materials Science and Advanced Electronics/2021-02-01--2021-02-03
  • (AlGa)2O3/Ga2O3 resonant tunneling diodes
    Okumura Hironori
    Compound Semiconductor Week 2020/2020-05-17--2020-05-21
  • Demonstration of m-plane GaN MOSFETs
    Okumura Hironori
    2019 International Conference on Solid State Devices and Materials/2019-09-02--2019-09-05
  • Demonstration of (AlGa)2O3-channel MOSFETs
    Okumura Hironori
    2019 International Workshop on Gallium Oxide and related materials/2019-08-12--2019-08-15
  • N-polar AlN POLFET
    Okumura Hironori; Lemettinen Jori; Suihkonen Sami; Palaci...
    International Workshop on Nitride Semiconductors/2018-11-11--2018-11-16
  • Demonstration of beta-(AlGa)2O3(010) metal-semiconductor field-effect transistors with high breakdown voltage over 900 V
    Okumura Hironori; Kato Yuji; Ohshima Takayoshi; Palacios ...
    2018 International Conference on Solid State Devices and Materials/2018-09-09--2018-09-13
  • Nitrogen-face AlN-based field-effect transistors
    Okumura Hironori; Lemettinen Jori; Suihkonen Sami; Palaci...
    Compound Semiconductor Week 2018/2018-05-29--2018-06-01
  • AlN metal-semiconductor field-effect transistors using Si-ion implantation
    Okumura Hironori
    The 2017 MRS Fall Meeting & Exhibit/2017-11-26--2017-12-01
  • AIN metal-semiconductor field-effect transistors using Si-ion implantation
    Okumura Hironori; Suihkonen Sami; Lemettinen Jori; Ued...
    International Conference on Solid State Devices and Materials (SSDM)/2017-09-19--2017-09-22
  • Electrical Properties of Si-Ion Implanted AlN
    Okumura Hironori; Sami Suihkonen Tomas Palacios
    9th International Conference on Nitride Semiconductors/2017-07
  • Electrical Properties of Mg-doped GaN with High Acceptor Concentrations
    Okumura Hironori; Marco Malinverni Denis Martin Nicolas...
    2016 Materials Research Societies Fall meeting/2016-12
  • Highly p-type GaN for Advanced Optoelectronic Devices
    Okumura Hironori; Malinverni Marco; Martin Denis; Grandje...
    2016 IEEE Photonics Conference/2016-10
  • Electrical Properties of Mg-doped GaN with High Acceptor Concentrations
    Okumura Hironori; Marco Malinverni Denis Martin Nicolas...
    19th International Conference on Molecular Beam Epitaxy/2016-09
Intellectural property rights
  • 生体用センサ
    星崇仁; 奥村 宏典; 斉藤毅; 武安光太郎
  • (特開2023-058917)半導体、トランジスタおよび半導体の製造方法
    奥村 宏典
  • (特開2022-84473)導電性AlNエピタキシャル膜付き基板及びその製造方法
    奥村 宏典; 柴田 智彦; 渡邊 康弘
Teaching
2024-10 -- 2025-02Research in Applied Physics IVAUniversity of Tsukuba.
2024-10 -- 2025-02Research in Applied Physics IIIAUniversity of Tsukuba.
2024-04 -- 2024-08Research in Applied Physics VBUniversity of Tsukuba.
2024-12 -- 2025-02Linear Algebra 3University of Tsukuba.
2024-10 -- 2025-02Research in Applied Physics IAUniversity of Tsukuba.
2024-04 -- 2024-08Research in Applied Physics IIIBUniversity of Tsukuba.
2024-04 -- 2024-08Research in Applied Physics IIBUniversity of Tsukuba.
2024-10 -- 2025-02Research in Applied Physics VBUniversity of Tsukuba.
2024-10 -- 2025-02Research in Applied Physics IVBUniversity of Tsukuba.
2024-10 -- 2025-02Research in Applied Physics VAUniversity of Tsukuba.
more...
Other educational activities
2025-04 -- 2027-03応用理工学類クラス担任筑波大学
2020-08 -- 2020-08ナノテクノロジープラットフォーム学生研修プログラム（GaN HEMTの作製）筑波大学
2019-05 -- (current)フレッシュマンセミナー体験配属（リソグラフィ）筑波大学
2019-08 -- (current)応用理工サマースクール体験実験（Ga2O3結晶成長、GaN LED作製）筑波大学　
2018-07 -- 2018-07電子工学特別講義　非常勤講師大阪大学
2018-04 -- 2020-03応用理工学類クラス担任筑波大学
Talks
  • Power electronics (Ga2O3) device
    OKUMURA Hironori
    Baja-Tsukuba Collaborative Seminar/2024-10-11
  • Development of low-cost power devices using Al2O3
    OKUMURA Hironori
    Innovation for Cool Earth Forum/2024-10-09
  • Development of novel materials for high efficiency and low-cost power electronics
    OKUMURA Hironori
    Tsukuba Global Science Week/2024/10/3
  • GaNプロセスの現状と放射線検出器の作製
    奥村 宏典
    Platform B (Silicon) meeting/2024-09-05
  • 厳環境におけるワイドギャップ半導体の利用可能性
    奥村 宏典
    名古屋大CIRFEセミナー/2024-03-04
  • 酸化アルミニウムガリウムの電気伝導制御
    奥村 宏典
    TREMS成果報告会/2024-02-28
  • 極限環境で動作する半導体デバイス
    奥村 宏典
    筑波大Tristar共創リレーセミナー/2023-12-20
  • 世界初の導電性サファイア（酸化アルミニウム）実現
    奥村 宏典
    Innovation Leaders Summit/2023-12-04--2023-12-07
  • 高温・高放射線耐性に向けた半導体の結晶成長と素子特性
    奥村 宏典
    数理物質系学際セミナー/2023-10-20
  • Special session with University Presidents and Future Shapers
    Okumura Hironori
    Tsukuba conference/2023-09-28
  • Growth and electrical property of α-(AlGa)2O3
    Okumura Hironori
    J-FAST workshop/2023-09-27
  • Future of materials science contributing to the carbon neutrality
    Okumura Hironori
    Tsukuba Conference/2023-09-27
  • 窒化ガリウムを用いた放射線検出器
    奥村 宏典
    TREMS成果報告会/2023-02-28
  • 導電性サファイヤの開発
    奥村 宏典
    Innovation Japan 2022/2022-10-04--2022-10-31
  • Alpha- and beta-(AlGa)2O3 growth using Molecular Beam Epitaxy
    Okumura Hironori
    J-FAST kick-off meeting/2022-06-22--2022-06-24
  • 窒化アルミニウム層中の不純物拡散
    奥村 宏典
    TREMS成果報告会/2021-03-11
  • 高放射線耐性半導体を用いた重粒子線検出器の研究
    奥村 宏典; 井村 将隆; 外川 学; 西永 慈郎; 宮原 正也
    TIAナノエレの若手の会セミナー/2022-03-08
  • Semiconductor devices in extreme environment
    奥村 宏典
    Researcher Matching Project 2021With Matching HUB Hokuriku/2021-11-05--2021-11-17
  • ナノスケール加工に向けた電子線露光実習
    奥村 宏典
    微細加工技術 実践セミナー/2020-10-07
  • 放射線耐性に優れた半導体素子の開発
    奥村 宏典
    JST新技術説明会/2020-10-04
  • 酸化ガリウムの結晶成長と電子デバイスの作製
    奥村 宏典
    TREMS成果報告会/2020-03-11
  • AlN結晶へのイオン注入
    奥村 宏典
    第162委員会 第116回研究会/2019-12-13--2019-12-14
  • 電子ビーム露光装置を用いたGa2O3 FinFETとAlN光導波路の作製
    奥村 宏典
    電子ビームリソグラフィセミナーV/2019-11-27
  • 放射線に負けないデバイスを使ってみよう！
    奥村 宏典; 西永慈郎; 井村将隆; 外川学; 宮原正也
    イノベーション・ジャパン2019－大学見本市/2019-08-29--2019-08-30
  • 超ワイドバンドギャップ半導体を用いたトランジスタ動作
    奥村 宏典
    NTT 物性科学基礎研究所　セミナー/2019-07-19--2019-07-19
  • more...
Professional activities
2021-04 -- 2022-11International Workshop on Gallium Oxide and Related MaterialsProgram Committee
2020-03 -- 2022-02Electronic Materials SymposiumSecretaries
2020-01 -- 2022-12International Conference on Solid State Devices and MaterialsProgram Committee, Area 4
University Management
2024-04 -- 2026-03広報委員会運営委員
2023-04 -- 2025-03サマースクール/スプリングスクール運営委員
2020-04 -- 2022-03スポーツデー運営委員会運営委員
2018-06 -- (current)Nano-tech Platform in the university of TsukubaSteering Committee
2018-04 -- (current)Tsukuba Research Center for Energy Materials ScienceMember
Other activities
2022-08 -- 2025-03Top Runners in Strategy of Transborder Advanced Researches (TRiSTAR), Fellow
2018-08 -- 2019-12free English chat room (BiVi Tsukuba satellite office), Organizer
2018-04 -- 2019-03MEXT NISTEP, Science and Technology Foresight Center, Investigator

(Last updated: 2025-07-13)