Efficient Secret Sharing Schemes Based on Authorized Subsets. - Kouya Tochikubo; Tomohiko Uyematsu; Ryutaroh Matsumoto (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2005)

Efficient Multiple Assignment Secret Sharing Schemes. - Kouya Tochikubo (ISIT, 2007)

Efficient Secret Sharing Schemes Based on Unauthorized Subsets. - Kouya Tochikubo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008)

New Construction Methods of Secret Sharing Schemes Based on Authorized Subsets. - Kouya Tochikubo (J. Inf. Process., 2013)

New Secret Sharing Schemes Realizing General Access Structures. - Kouya Tochikubo (J. Inf. Process., 2015)

Improvement of information rates for specified participants in general secret sharing schemes. - Kouya Tochikubo (PST, 2016)

New General Secret Sharing Scheme Based on Unauthorized Subsets: Improvement of Information Rates for Specified Participants. - Kouya Tochikubo (J. Inf. Process., 2016)

Multiple assignment secret sharing scheme using hierarchical threshold scheme. - Kouya Tochikubo (ICITST, 2017)

Improvement of General Secret Sharing Scheme Reducing Shares Distributed to Specified Participants. - Kouya Tochikubo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2019)

General Secret Sharing Schemes Using Hierarchical Threshold Scheme. - Kouya Tochikubo (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2019)

New General Secret Sharing Scheme using Hierarchical Threshold Scheme: Improvement of Information Rates for Specified Participants. - Kouya Tochikubo (ICISSP, 2020)