| 2025 | SNPD | Method of extracting regional characteristics from travel satisfaction. | Hiroaki Tsukamoto, Motoi Iwashita |
| 2019 | KES | A Proposal of Matching Algorithm for New Type of Advertisement Business Model. | Motoi Iwashita |
| 2019 | SNPD | Trend of Influencer Marketing and Future Required Functions. | Motoi Iwashita |
| 2018 | KES | Framework of highly secure transaction management for affiliate services of video advertising. | Motoi Iwashita, Shigeaki Tanimoto, Kana Tsuchiya |
| 2017 | SNPD | Mobile-carrier choice behavior analysis between three major mobile-carriers and mobile virtual network operators. | Akiya Inoue, Kenichi Kitahara, Motoi Iwashita |
| 2017 | SNPD | Transitional approach to evaluate customer satisfaction for e-Books. | Motoi Iwashita |
| 2015 | KES | Efficient Method to Determine Microarea with High Potential Demand for Broadband Services. | Motoi Iwashita, Akiya Inoue, Takeshi Kurosawa, Ken Nishimatsu |
| 2015 | SNPD | Service and billing management method of interactive communication services. | Motoi Iwashita, Shigeaki Tanimoto |
| 2015 | SNPD | A method for service and billing management using connection paths. | Motoi Iwashita, Shigeaki Tanimoto |
| 2015 | SNPD | Risk assessment of social-media utilization in an enterprise. | Shigeaki Tanimoto, Kenichi Ohata, Shoichi Yoneda, Motoi Iwashita, Hiroyuki Sato, Yoshiaki Seki, Atsushi Kanai |
| 2014 | SNPD | An improvement of micro area selection technique for the diffusion of ICT infrastructure. | Motoi Iwashita, Takeshi Kurosawa, Akiya Inoue, Ken Nishimatsu |
| 2014 | SNPD | Risk assessment quantification in life log service. | Shigeaki Tanimoto, Ken Takahashi, Taro Yabuki, Kazuhiko Kato, Motoi Iwashita, Hiroyuki Sato, Atsushi Kanai |
| 2013 | SNPD | Mobile-Carrier Choice Behavior Analysis Around Smart Phone Market. | Akiya Inoue, Motoi Iwashita, Takeshi Kurosawa, Ken Nishimatsu |
| 2013 | SNPD | Consideration of Billing Management Method for Cloud Computing Services. | Motoi Iwashita, Shigeaki Tanimoto |
| 2013 | SNPD | A Study of Data Management in Hybrid Cloud Configuration. | Shigeaki Tanimoto, Yorihiro Sakurada, Yosiaki Seki, Motoi Iwashita, Shinsuke Matsui, Hiroyuki Sato, Atsushi Kanai |
| 2012 | KES | A Framework of Time-Series Analysis Method for ICT Service Diffusion using Textual Data. | Motoi Iwashita |
| 2012 | SNPD | Mobile Internet-Access Behavior Analysis. | Akiya Inoue, Ryouhei Nagahata, Yuuta Ishii, Masaya Dobashi, Rei Kaku, Motoi Iwashita |
| 2012 | SNPD | A Consideration of Micro Area Selection Technique for the Diffusion of ICT Infrastructure. | Motoi Iwashita |
| 2012 | SNPD | Mobile-Carrier Churning Behavior Modeling Based on Customer Satisfaction. | Satoshi Nakano, Akiya Inoue, Kiyotaka Otsuka, Takeshi Kurosawa, Motoi Iwashita, Ken Nishimatsu |
| 2012 | SNPD | Risk Management to User Perception of Insecurity in Ambient Service. | Shigeaki Tanimoto, Daisuke Sakurai, Yosiaki Seki, Motoi Iwashita, Hiroyuki Sato, Atsushi Kanai |
| 2011 | KES | A Consideration of an Area Classification Method for ICT Service Diffusion. | Motoi Iwashita |
| 2011 | KES | An Analysis of the Relationship between a Speed of the Internet Access and Internet Access Line Switching. | Takeshi Kurosawa, Shinsuke Shimogawa, Motoi Iwashita, Shouji Kouno |
| 2010 | KES | Econometric Approach for Broadband Market in Japan. | Takeshi Kurosawa, Hiromichi Kawano, Motoi Iwashita, Shinsuke Shimogawa, Shouji Kouno, Akiya Inoue |
| 2009 | KES | Text Mining for Customer Enquiries in Telecommunication Services. | Motoi Iwashita, Shinsuke Shimogawa, Ken Nishimatsu |
| 2008 | ICDM | Semantic Analysis Method for Unstructured Data in Telecom Services. | Motoi Iwashita, Ken Nishimatsu, Shinsuke Shimogawa |