Non-perturbative effects and the refined topological string Y Hatsuda, M Marino, S Moriyama, K Okuyama Journal of High Energy Physics 2014 (9), 168, 2014 | 145 | 2014 |

Instanton effects in ABJM theory from Fermi gas approach Y Hatsuda, S Moriyama, K Okuyama Journal of High Energy Physics 2013 (1), 158, 2013 | 121 | 2013 |

Three-point functions in 𝒩= 4 SYM theory at one-loop K Okuyama, LS Tseng Journal of High Energy Physics 2004 (08), 055, 2004 | 100 | 2004 |

Instanton bound states in ABJM theory Y Hatsuda, S Moriyama, K Okuyama Journal of High Energy Physics 2013 (5), 54, 2013 | 93 | 2013 |

Ghost kinetic operator of vacuum string field theory K Okuyama Journal of High Energy Physics 2002 (01), 027, 2002 | 86 | 2002 |

Matrix theory on noncommutative torus T Kawano, K Okuyama Physics Letters B 433 (1-2), 29-34, 1998 | 85 | 1998 |

Exact results on the ABJM Fermi gas Y Hatsuda, S Moriyama, K Okuyama Journal of High Energy Physics 2012 (10), 20, 2012 | 82 | 2012 |

Wilson loops in 𝒩= 4 SYM and fermion droplets K Okuyama, GW Semenoff Journal of High Energy Physics 2006 (06), 057, 2006 | 76 | 2006 |

waves and holography RG Leigh, K Okuyama, M Rozali Physical Review D 66 (4), 046004, 2002 | 75 | 2002 |

A path integral representation of the map between commutative and noncommutative gauge fields K Okuyama Journal of High Energy Physics 2000 (03), 016, 2000 | 70 | 2000 |

Ratio of tensions from vacuum string field theory K Okuyama Journal of High Energy Physics 2002 (03), 050, 2002 | 68 | 2002 |

Open string fields as matrices T Kawano, K Okuyama Journal of High Energy Physics 2001 (06), 061, 2001 | 68 | 2001 |

Annulus amplitudes and ZZ branes in minimal string theory D Kutasov, K Okuyama, JW Park, N Seiberg, D Shih Journal of High Energy Physics 2004 (08), 026, 2004 | 67 | 2004 |

Comma vertex and string field algebra K Furuuchi, K Okuyama Journal of High Energy Physics 2001 (09), 035, 2001 | 66 | 2001 |

String network and 1/4 BPS states in N= 4SU (N) supersymmetric Yang-Mills theory T Kawano, K Okuyama Physics Letters B 432 (3-4), 338-342, 1998 | 56 | 1998 |

ABJM Wilson loops in arbitrary representations Y Hatsuda, M Honda, S Moriyama, K Okuyama Journal of High Energy Physics 2013 (10), 168, 2013 | 53 | 2013 |

BPS condition of string junction from M theory Y Matsuo, K Okuyama Physics Letters B 426 (3-4), 294-296, 1998 | 53 | 1998 |

𝒩= 4 SYM on R× S3 and PP-Wave K Okuyama Journal of High Energy Physics 2002 (11), 043, 2002 | 52 | 2002 |

A Note on the Partition Function of ABJM Theory on *S*^{3}K Okuyama Progress of Theoretical Physics 127 (2), 229-242, 2012 | 46 | 2012 |

Siegel gauge in vacuum string field theory K Okuyama Journal of High Energy Physics 2002 (01), 043, 2002 | 46 | 2002 |