| 2026 | ICCSA | Numerical Evaluation of 3-Loop "Baseball" and "Running Shirt" Feynman Diagrams Using GPU-Accelerated QMC Integration and Extrapolation, Based on Sector Decomposition. | Elise de Doncker, Hiroshi Daisaka, Tadashi Ishikawa, Kiyoshi Kato, Naohito Nakasato, Fukuko Yuasa |
| 2025 | ICCSA | Methods for Expansion of 3-Loop 2-Point Feynman Integrals. | Elise de Doncker, Fukuko Yuasa, Tadashi Ishikawa, Kiyoshi Kato |
| 1996 | MVA | A Method of Resolving an Entangled Cord. | Yuyo Nogami, Seiji Ishikawa, Kiyoshi Kato |
| 1996 | MVA | Automatic Spinal Deformity Detection by Two Characteristic Axes. | Hiroshi Ueno, Seiji Ishikawa, Yoshinori Otsuka, Kiyoshi Kato |
| 1994 | MVA | Employing Symmetric Subsets for Identifying Asymmetry of Human Skulls. | Teruhito Takeda, Seiji Ishikawa, Kiyoshi Kato |
| 1992 | ICPR | Associating an image by network constraint analysis. | Seiji Ishikawa, Kiyoshi Kato |
| 1992 | ICPR | Three-dimensional symmetry measurement of medical entities. | Predrag Minovic, Seiji Ishikawa, Kiyoshi Kato |
| 1992 | MVA | An Interactive 3d Symmetry Analysis System. | Seiji Ishikawa, Keiichi Sato, Predrag Minovic, Kiyoshi Kato |
| 1988 | ICPR | Reconstructible pairs of incomplete polyhedral line drawings under general reconstruction procedure. | Seiji Ishikawa, Kiyoshi Kato |