- 2023: VA Linux Systems Japan K.K.
- 2022-2023: SYSTEM I
- 2021-2022: NXP Japan Ltd.
- 2020-2021: Donuts Co. Ltd.
- 2019-2020: QuantumCore
- 2019: tabasconian
- 2018-2019: Keigo Imai
- 2018: Shinkawa Ltd.
- 2018: KYUSHU UNIVERSITY
- 2016-2017: STMicroelectronics
- 2017: wolfSSL
- 2016-2017: SELTECH CORPORATION
- 2014-2017: RIKEN AICS
- 2016: Life Robotics Inc.
- 2015-2016: Centillion Japan Co.,Ltd.
- 2014-2015: IT Planning, Inc.
- 2014: Axsh Co.
- 2012-2013: MIRACLE LINUX CORPORATION
- 2001-2012: Ricoh Company, Ltd.
