| Year | Description | Registering body |
|---|---|---|
| 2011 | "Product Development Project Grant under the Technology Strategy Program for Solving Urban Issues: In-situ bioremediation technology using a high-efficiency injection method" | Tokyo Metropolitan Government |
| 2007 | "Joint research on soil remediation" | Tokyo Metropolitan Liaison Council on Environmental and Pollution Affairs |
| 2006 | NETIS (New Technology Information System) registration number KT-060059 "Oil remediation technology using a combined microbial formulation (technology with expired listing period)" | Ministry of Land, Infrastructure, Transport and Tourism |
| 2003 | "Environmental Technology Verification Pilot Program: Organic wastewater treatment technology for small-scale operators" | Ministry of the Environment |
| 2002 | "Rapid Regional Revitalization Consortium R&D Project: Development of high-efficiency soil and groundwater contamination remediation technology using combined microorganisms" | Ministry of Economy, Trade and Industry |
| 2001 | "Survey on the development and adoption of a general-purpose groundwater remediation device" | Ministry of the Environment |
| 2001 | "Population dynamics analysis of microbial communities in the bioremediation of petroleum-contaminated soil" | Showa Shell Sekiyu Environmental Research Grant |
| 1997 | "Marine pollution countermeasures through bioremediation — application to the Nakhodka oil spill" | Nakhodka Marine Oil Pollution Bioremediation Study Group |