| 2022 | SMC | Toward Evaluation of Ship Navigator's Stress based on Saliva. | Koji Murai, Eiko Saito, Kentaroh Kokubun, Hitoi Tamaru, Ruri Shoji |
| 2020 | SMC | Confirmation of the Instrumental Difference for Each Ion-Sensitive Field-Effect Transistors to Evaluate Mental Workload. | Kenichi Kitamura, Koji Murai, Shin-Ichi Wakida |
| 2020 | SMC | Mental Workload of Simulator-based Training Using a Physiological Index: The Relationship between Trainers and Trainees. | Masahiro Toba, Koji Murai |
| 2017 | IFSA | Evaluation of mental workload for a newly-appointed pilot using salivary NO3 | Kenichi Kitamura, Koji Murai, Shin-Ichi Wakida |
| 2017 | IFSA | Toward evaluation of mixed culture's team works: Case study of ship bridge simulator-based training for cadets. | Koji Murai, Jie Wang, Yibing Wang, Yang Qilei |
| 2017 | SMC | Construction of port-coordinator duties list for mental workload assessment. | Daiki Kamioka, Koji Murai, Kenichi Kitamura, Shin-Ichi Wakida |
| 2017 | SMC | A study on evaluation method for ship maneuvering simulator training. | Chihiro Nishizaki, Tadatsugi Okazaki, Ryohtaro Yoshino, Rei Takaseki, Koji Murai |
| 2016 | SMC | Evaluation of mixed culture bridge teammates' mental workload using heart rate variability: Simulator-based ship handling. | Kenichi Kitamura, Koji Murai, Masao Furusho, Yibing Wang, Jie Wang, Yoshiaki Kunieda |
| 2016 | SMC | Study on relation between operator and trainee's mental workload for ship maneuvering simulator exercise using heart rate variability. | Ippei Sugimoto, Kenichi Kitamura, Koji Murai, Yibing Wang, Jie Wang |
| 2015 | KES | Study of A Port Coordinator's Mental Workload Based on Facial Temperature. | Koji Murai, Kenichi Kitamura, Yuji Hayashi |
| 2015 | SMC | Evaluation of Mental Workload for Athletes' Training Based on Salivary NO3- Concentration. | Kenichi Kitamura, Koji Murai, Keiichi Fukushi, Yuji Hayashi, Shin-Ichi Wakida |
| 2014 | SMC | Marine pilot trainee's mental workload for simulator based training using R-R interval. | Masahiro Tanaka, Koji Murai, Yuji Hayashi |
| 2013 | SMC | The Effect of Motion-Induced Factor on the Operator Performance during Ship's Watch. | Tunglam Ngodang, Koji Murai, Yuji Hayashi, Nobuo Mitomo, Kenji Yoshimura, Kenjiro Hikida |
| 2013 | SMC | Evaluation of Pilot Mental Workload for Simulator Based Training Using Heart Rate Variability. | Masahiro Tanaka, Koji Murai, Yuji Hayashi |
| 2012 | SMC | Evaluation of ship navigator's mental workload for ship handling based on salivary NO3-. | Kenichi Kitamura, Koji Murai, Keiichi Fukushi, Yuji Hayashi, Nobuo Mitomo, Kenji Yoshimura, Kenjiro Hikida, Shin-Ichi Wakida, Takashi Miyado |
| 2012 | SMC | A study on navigator's performance in ship bridge simulator using heart rate variability. | Tunglam Ngodang, Koji Murai, Yuji Hayashi, Nobuo Mitomo, Kenji Yoshimura, Kenjiro Hikida |
| 2011 | SMC | Basic study of a sea pilot candidate performance using small acceleration sensor. | Koji Murai, Yuji Hayashi, Tsunemasa Saiki, Kohei Higuchi, Takayuki Fujita, Kazusuke Maenaka |
| 2010 | SMC | Study on body response to artificial ship rolling and pitching. | Koji Murai, Yuji Hayashi, Tadatsugi Okazaki, Seiji Inokuchi |
| 2010 | SMC | Evaluation of a student's mental workload for simulator training using salivary amylase activity. | Nozomu Nishimura, Koji Murai, Yuji Hayashi, Laurie C. Stone |
| 2009 | SMC | Evaluation of Ship Navigator's Mental Workload for Ship Handling Based on Physiological Indices. | Koji Murai, Kousaku Hama, Laurie C. Stone, Yuji Hayashi |
| 2009 | SMC | Evaluation of Marine Simulator Training Based on Heart Rate Variability. | Koji Murai, Sam Teel, Jim Sanders, Daniel Parrott, Larry Wade, Timothy Gervais, Katherine Rovinski, Yuji Hayashi, Laurie C. Stone |
| 2008 | SMC | A few comments on visual system of ship handling simulator based on arriving port. | Nobuo Mitomo, Kenjiro Hikida, Koji Murai, Yuji Hayashi, Tadatsugi Okazaki |
| 2008 | SMC | Evaluation of ship navigator's mental workload using nasal temperature and heart rate variability. | Koji Murai, Yuji Hayashi, Tadatsugi Okazaki, Laurie C. Stone, Nobuo Mitomo |
| 2007 | HCI | A Characteristic of a Navigator's Response to Artificial Ship's Movement by Picture and Motion Platform. | Koji Murai, Tadatsugi Okazaki, Yuji Hayashi |
| 2007 | SMC | A characteristic of a navigator's mental workload based on nasal Temperature. | Koji Murai, Tadatsugi Okazaki, Laurie C. Stone, Yuji Hayashi |
| 2007 | SMC | A study on navigator's mental workload in ship handling simulator. | Tadatsugi Okazaki, Koji Murai, Nobuo Mitomo, Kenjiro Hikida |
| 2006 | SMC | Basic Study of Navigator's Recognition of Radar Target Direction. | Koji Murai, Yuji Hayashi, Laurie C. Stone, Seiji Inokuchi |
| 2006 | SMC | Toward Universalizing Common Skills of Ship Navigators. | Koji Murai, Laurie Cleghorn Stone, Yuji Hayashi |
| 2004 | SMC | A characteristic of target cognition using marine radar. | Koji Murai, Yuji Hayashi |
| 2003 | KES | Mental Workload of Ship's Navigator: - A Few Comments on Heart Rate Variability during Navigational Watch Keeping. | Koji Murai, Yuji Hayashi, Noriko Nagata, Seiji Inokuchi |
| 2003 | SMC | The body sway of human navigator in ship's bridge simulator. | Koji Murai, Seiji Inokuchi |
| 2002 | ICASSP | Suppression of the sea clutter in marine radar system. | Koji Murai, Yuji Hayashi, Yuichi Miyoshi, Seiji Inokuchi |
| 2002 | SMC | A basic study on measurement of experience using an unconscious response to the artificially created visual environment. | Koji Murai, Yuji Hayashi, Seiji Inokuchi |