- 2003 - 2009 Ryukoku University Faculty of Science and Technology, Department of Media Informatics
- 2009 - - フリー
- 1997 - 2003 National Museum of Ethnology
- 1997 - 2003 The National Museum of Ethnology, Deputy Director-General
- 1989 - 2003 The Graduate University for Advanced Studies
- 1989 - 2003 Graduate Univ. for Advanced Studies, Professor(additional post)
- 1987 - 2003 National Museum of Ethnology
- 1987 - 2003 The National Museum of Ethnology, Professor
- 2003 - - Ryukoku University Department of Science and
- 1992 - 1997 National Museum of Ethnology
- 1992 - 1997 The National Museum of Ethnology, the 5th Research
- 1976 - 1987 National Museum of Ethnology
- 1976 - 1987 The National Museum of Ethnology, Associate Professor
- 1975 - 1976 Massachusetts Institute of Technology
- 1975 - 1976 米国カーネギーメロン大学 客員研究員
- 1975 - 1976 MIT Visiting Associate Professor
- 1975 - 1976 Carnegie Mellon Univ. Visiting Associate Professor
- 1971 - 1976 京都大学 助教授
- 1971 - 1976 Kyoto Univ. Associate Professor
- 1967 - 1971 京都大学助手
- 1967 - 1971 Assistant
- Technologu,Professor
- Department Director(additional post)
- Ryukoku University Faculty of Science and Technology, Department of Media Informatics, Faculty of Science and Technology Department of Media Informatics Professor Emeritus<National Museam of Ethnology> Professor Emeritus<The Graduate Univ. for Advanced Studies>,Professor
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展示学会
, アートドキュメンテーション研究会
, 比較法史学会
, 電子情報通信学会
, 情報処理学会
, 日本情報考古学会
, 比較文明学会
, 民族芸術学会
, The Japan Society of Industrial Technology
, Information and Communication Engineers
, Institute of Electronics
, Information Processing Society of Japan
, Japan Society of Archaeological Information
, The Society for Ethno-Arts
, The Japan Society for the Comparative Study of Civilizations