- 2007 - 2008 Tama Art University Faculty of Art and Design, Department of Product and Textile Design
- 2007 - 2008 Associate Professor,Product Design Course,Department of Product and Textile Design,Faculty of Art and Design,Tama Art University
- 2008 - - 多摩美術大学美術学部生産デザイン学科プロダクトデザイン専攻 教授
- 2008 - - Professor,Product Design Course,Department of Product and Textile Design,Faculty of Art and Design,Tama Art University
- 2005 - 2007 Tama Art University Faculty of Art and Design, Department of Product and Textile Design
- 2005 - 2007 Associate Professor,Product Design Course,Department of Product and Textile Design,Faculty of Art and Design,Tama Art University
- 1998 - 2005 Tama Art University Faculty of Art and Design, Department of Product and Textile Design
- 1998 - 2005 Part-time lecturer,Product Design Course,Department of Product and Textile Design,Faculty of Art and Design,Tama Art University
- 1996 - 1998 Tama Art University Faculty of Art and Design
- 1996 - 1998 Part-time lecturer,Three-Dimensional Design Department,Design Department,Faculty of Art and Design,Tama Art University
- 1984 - 1988 GKインダストリアルデザイン研究所 職員(技術系)
- 1984 - 1988 Technical Staff,gk design
- 1988 - - 株式会社ハルデザイン 代表取締役社長