| 2010 | RO-MAN | Evaluation of sensitivity strength for visual inspection system of color display device. | Seiji Hata, Ken Suezawa, Jun-ichiro Hayashi |
| 2003 | ETFA | Relative stereo method for 3-D measurement in production lines. | Seiji Hata, Daisuke Shima, Ken'ichi Kaida |
| 2003 | KES | Age and Gender Estimation Based on Facial Image Analysis. | Jun-ichiro Hayashi, Hiroyasu Koshimizu, Seiji Hata |
| 2000 | ICPR | Practical Visual Inspection Techniques - Optics, Micro-Electronics and Advanced Software Technology. | Seiji Hata |
| 2000 | ICPR | Multi-Directional Camera 3-D Vision System for Micro-Operation. | Seiji Hata, Daisuke Torigoe, Shuxiang Guo, Kohichi Sugimoto |
| 2000 | IROS | A new type of underwater fish-like microrobot. | Shuxiang Guo, Kohichi Sugimoto, Seiji Hata, Jianliang Su, Keisuke Oguro |
| 2000 | SMC | General aspects of HUTOP-human sensory factors in total production life cycle. | Hiroyasu Koshimizu, Seiji Hata, Hiroshi Tomita |
| 1999 | ICRA | Development of a New Type of Capsule Micropump. | Shuxiang Guo, Seiji Hata, Koichi Sugumoto, Toshio Fukuda, Keisuke Oguro |
| 1998 | KES | Industrial character reader using human cognitive functions. | Seiji Hata, Daisuke Torigoe, Ken'ichi Kaida |
| 1996 | ICPR | Shape extraction of transparent object using genetic algorithm. | Seiji Hata, Yoko Saitoh, Syoji Kumamura, Ken'ichi Kaida |
| 1992 | ICPR | Shape detection of small specular surface using color stripe lighting. | Seiji Hata |
| 1988 | IROS | A Precise 3-d Vision Sensor On A Robot Hand And It's Recognition Algorithm. | Seiji Hata, Yuuji Takagi |