| 2013 | MVA | Rotated Kanji Character Recognition. | Yuta Baba, Hiroyuki Hase, Shogo Tokai |
| 2011 | ICDAR | Quality Evaluation of Character Image Database and Its Application. | Hiroyuki Hase |
| 2008 | DAS | Multi-Font Rotated Character Recognition Using Periodicity. | Hiroyuki Hase, Kohei Tanabe, Thi Hong Ha Tran, Shogo Tokai |
| 2007 | MVA | Synthesis Arbitrary Views from Two Images Based on Improved View Morphing Technique. | Huagang Liang, Shogo Tokai, Hiroyuki Hase |
| 2007 | MVA | A Novel Approach of 3D Face Reconstruction Using Ellipse Fitting. | Charoenpong Theekapun, Hiroyuki Hase, Shogo Tokai |
| 2006 | ICPR | Attention Navigation by Keeping Screen Layout for Switching Multiple Views. | Shogo Tokai, Hiroyuki Hase |
| 2005 | ISCAS | Resonant DC/DC converter with class E oscillator. | Hiroyuki Hase, Hiroo Sekiya, Jianming Lu, Takashi Yahagi |
| 2004 | ICPR | A Robust Method of Recognizing Multi-font Rotated Characters. | Hiroyuki Hase, Toshiyuki Shinokawa, Shogo Tokai, Ching Y. Suen |
| 2003 | ICDAR | Recognition of Rotated Characters by Eigen-space. | Hiroyuki Hase, Toshiyuki Shinokawa, Masaaki Yoneda, Ching Y. Suen |
| 2002 | ICCE | A CAI System Incorporated with Mathematica for Science and Engineering Students. | Changqing Ding, Hiroyuki Hase, Masaaki Yoneda |
| 2002 | MVA | A Proposal of Facial Expression Analysis Using a Face Plane. | Hideyuki Negishi, Hiroyuki Hase, Masaaki Yoneda, Jien Kato |
| 2001 | ICDAR | Alignment of Free Layout Color Texts for Character Recognition. | Hiroyuki Hase, Masaaki Yoneda, Toshiyuki Shinokawa, Ching Y. Suen |
| 2001 | ICIP | A proposal for a face plane. | Hiroyuki Hase, Masaaki Yoneda, Takefumi Kasamatsu, Jien Kato |
| 2000 | MVA | Distortion-Free Navigation of Omni-Directional Images Using Constructive Neural Networks. | Frank Ekpar, Masaaki Yoneda, Hiroyuki Hase |
| 1999 | ICDAR | Character String Extraction from a Color Document. | Hiroyuki Hase, Toshiyuki Shinokawa, Masaaki Yoneda, Mitsuru Sakai, Hiroshi Maruyama |
| 1999 | ICDAR | Character Extraction from Noisy Background for an Automatic Reference System. | Hideyuki Negishi, Jien Kato, Hiroyuki Hase, Toyohide Watanabe |
| 1999 | ICIP | Real-Time Snowfall Noise Elimination. | Hiroyuki Hase, Kazunaga Miyake, Masaaki Yoneda |
| 1998 | ICPR | A new robust quadratic discriminant function. | Mitsuru Sakai, Masaaki Yoneda, Hiroyuki Hase |
| 1997 | ICDAR | Character String Extraction by Multi-stage Relaxation. | Hiroyuki Hase, Toshiyuki Shinokawa, Masaaki Yoneda, Mitsuru Sakai, Hiroshi Maruyama |