
Company Profile
Management philosophy
Through research and business, we want to serve as a communication medium that connects capabilities from all over the world.
By being aware of the SDGs, such as air pollution, natural environment destruction, and access to safe water, which all parts of the world are currently struggling with, we are working to bring together the unique resources and human capabilities of various parts of the world with Japan's outstanding technology. Our goal is to bring about reasonable productivity and improvement in living standards.

Dr. Rayan Harada
Representative Director and President
2002 Graduated from the Department of Japanese Literature, University of Tehran, Iran.
In 2006, completed the master's program at Hitotsubashi University Graduate School of Sociolinguistics and received a master's degree.
In 2013, completed the doctoral course at Hitotsubashi University Graduate School of Sociology and received a Ph.D.
GSICS Fellow Researcher at Tohoku University from 2014 to March 2020.
In April 2020, we established AVISA Co., Ltd., which conducts a wide range of businesses from research and development with universities to trade and production.

Dr. Mineyuki Yokoyama
Advisor
1974 Graduated from Department of Biology, Faculty of Science, Shizuoka University
In 1975, completed a master's course at the Department of Biology, Faculty of Science, Shizuoka University, and received a master's degree.
1981: Completed the doctoral course at the University of Tsukuba, majoring in biophysical chemistry, and received a doctoral degree in biophysical chemistry.
1981 Part-time staff member (postdoctoral researcher), Plant Virus Research Institute, Ministry of Agriculture, Forestry and Fisheries
1984 Joined Shiseido Co., Ltd. (assigned to research center)
2014 Specially Appointed Professor, Kihara Institute for Biological Studies, Yokohama City University
2017 Visiting Professor, Faculty of Science and Engineering, Tokyo University of Science
2018 Tokyo University of Agriculture and Technology, Department of International Environmental Agriculture, Visiting Professor
2020 AVISA Co., Ltd. Advisor

Dr. Hosein Mardani
Joint Researcher
2008 Graduated from Department of Horticulture, Faculty of Agriculture, Chamran University
In 2012, completed the master's program in the Department of Medicinal Plant Science, Graduate School of Horticulture, Ferdausi University, and received a master's degree.
2014: Completed the master's program in the Department of International Bioproduction Resources, Department of International Environmental Agriculture, Tokyo University of Agriculture and Technology and received a master's degree.
In 2017, completed the doctoral course at Tokyo University of Agriculture and Technology, Department of International Environmental Agriculture, Department of International Bioproduction and Resources, and received a Ph.D.
2018 Tokyo University of Agriculture and Technology, Researcher (assigned to JST-CREST, Research Institute)
Company name
Location
Established
Representative name
Business details
AVISA Co., Ltd.
1-2-36 Kajinocho, Koganei City, Tokyo
April 7, 2020
Rayan Harada (formerly Takideh Mohammad)
-Planning, designing, manufacturing and sales of nanobubble water generator products
- Construction adhesive
- Planning and sales of agricultural products and fertilizers
- Sanitation business and planning, manufacturing, and sales of sanitary equipment
- Various import and export operations