Search Results1-20 of  81

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  • KOGA Hiroki ID: 9000246814383

    Articles in CiNii:1

    • Enhancement of Taxane Production by the Combination of in situ Extraction with Lauryl Alcohol and Elicitation by Methyl Jasmonate in a Suspension Callus Culture (2014)
  • Koga Hiroki ID: 9000359878762

    Articles in CiNii:1

    • Formation Behavior of Phosphoric Acid-Based Chemical Conversion Films Containing Alkaline Earth Metals on Magnesium Alloy (2017)
  • Koga Hiroki ID: 9000403852640

    Articles in CiNii:1

    • Coding Theorems on the Threshold Scheme for a General Source (2008)
  • Koga Hiroki ID: 9000403854439

    Articles in CiNii:1

    • Source Coding Using Families of Universal Hash Functions (2007)
  • Koga Hiroki ID: 9000403867724

    Articles in CiNii:1

    • Coding Theorems for a (2; 2)–Threshold Scheme with Detectability of Impersonation Attacks (2012)
  • KOGA Hiroki ID: 9000001424481

    Graduate School of Systems and Information Engineering, University of Tsukuba (2005 from CiNii)

    Articles in CiNii:1

    • The Optimal (t, n)-Threshold Visual Secret Sharing Scheme with Perfect Reconstruction of Black Pixels (2005)
  • KOGA Hiroki ID: 9000001831553

    Nihon Univ. (2006 from CiNii)

    Articles in CiNii:1

    • A Study on the Required Parking Spaces according to the District Characteristics : Case Study of Otemachi, Marunouchi, and Yurakucho Districts in Chiyoda borough, Tokyo (2006)
  • KOGA Hiroki ID: 9000002061770

    Waseda University, Graduate School of Science and Engineering (2009 from CiNii)

    Articles in CiNii:6

    • 耳下腺マッサージの定量的評価手法に関する研究 : 顔面マッサージ力計測モデルの開発 (2006)
    • Clinical application of robotic masticatory muscle massage (2009)
    • オーラル・リハビリテーション・ロボットの開発 : 顎顔面組織へのマッサージ治療 (2007)
  • KOGA Hiroki ID: 9000004505863

    Fukuoka Industrial Technology Center (2002 from CiNii)

    Articles in CiNii:2

    • Determination of sulfur in cast iron by infrared absorption method after combustion in high-frequency induction furnace (2002)
    • Calibration method for the determination of trace amounts of carbon in steel by an infrared absorption method after combustion in a high-frequency induction furnace (2002)
  • KOGA Hiroki ID: 9000004750684

    University of Tsukuba (2003 from CiNii)

    Articles in CiNii:9

    • A Class of Strongly Universal Hash Functions and Source Coding (2003)
    • A coding theorem on the Shannon cipher system with a general source using fixed-length homophonic coding (2001)
    • On the Optimistic Coding Theorems for Source Coding and Hypothesis Testing (2003)
  • KOGA Hiroki ID: 9000004750752

    Faculty of Systems and Information, University of Tsukuba (2014 from CiNii)

    Articles in CiNii:62

    • On Coding Theorems for a General Wiretap Channel (2005)
    • On Coding Theorems for a General Wiretap Channel (2005)
    • On Coding Theorems for a General Wiretap Channel (2005)
  • KOGA Hiroki ID: 9000004792297

    Graduate School of Engineering, The University of Tokyo (1998 from CiNii)

    Articles in CiNii:1

    • On the Asymptotic Behaviors of the Recurrence Time with Fidelity Criterion for Discrete Memoryless Sources and Memoryless Gaussian Sources (1998)
  • KOGA Hiroki ID: 9000004795061

    The author is with Institute of Engineering Mechanics and Systems, University of Tsukuba (2000 from CiNii)

    Articles in CiNii:1

    • A Generalization of the Simmons' Bounds on Secret-Key Authentication Systems (2000)
  • KOGA Hiroki ID: 9000004797054

    The author is with the Institute of Engineering Mechanics and Systems, University of Tsukuba (2001 from CiNii)

    Articles in CiNii:1

    • An Analytic Construction of the Visual Secret Sharing Scheme for Color Images (2001)
  • KOGA Hiroki ID: 9000004799377

    Institute of Engineering Mechanics and Systems, University of Tsukuba (2002 from CiNii)

    Articles in CiNii:1

    • New Constructions of the Lattice-Based Visual Secret Sharing Scheme Using Mixture of Colors (2002)
  • KOGA Hiroki ID: 9000004813772

    ULSI Device Development Laboratories, NEC Corporation (1996 from CiNii)

    Articles in CiNii:1

    • Improvement of Refresh Characteristics by SIMOX Technology for Giga-bit DRAMs (1996)
  • KOGA Hiroki ID: 9000004825605

    ULSI Device Development Division:(Present address)Sony Corporation (2002 from CiNii)

    Articles in CiNii:1

    • Measuring Contact Resistance of a Poly-Silicon Plug on a Lightly Doped Single-Diffusion Region in DRAM Cells (2002)
  • KOGA Hiroki ID: 9000004826723

    Institute of Engineering Mechanics and Systems, University of Tsukuba (2003 from CiNii)

    Articles in CiNii:1

    • A Visual Secret Sharing Scheme for Color Images Based on Meanvalue-Color Mixing (2003)
  • KOGA Hiroki ID: 9000004828362

    Graduate School of Systems and Information Engineering, University of Tsukuba (2004 from CiNii)

    Articles in CiNii:1

    • New Results on Optimistic Source Coding (2004)
  • KOGA Hiroki ID: 9000004849008

    the Graduate School of Engineering, The University (1998 from CiNii)

    Articles in CiNii:1

    • Proposal of a Lattice-Based Visual Secret Sharing Scheme for Color and Gray-Scale Images (1998)
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