- 26, 29,  2022, Not refereed, Single Work 
- 56, 58,  2022, Not refereed, Single Work 
- 31号, 56, 63,  2021, Not refereed, Single Work 
- Use of Robotic Pet in a Distributed Layout Elderly Housing with Services
 Yoko Hori, et al.
 Journal of Robotics and Mechatronics, Fuji press, 784, 803,  2021, refereed, Joint Work
 
- For Housing as a Basis for Health - A View Point of Housing for Life and Well-being
 Yoshihiro Okamoto
 CITY PLANNING REVIEW, THE CITY PLANNING INSTITUTE OF JAPAN, 70巻, 4号, 36ページ, 39ページ,  2021, Not refereed, Single Work
 
- A fundamental study for the housing risks in the stage of life from interviews with homeless people
 Yoshihiro  Okamoto
 Journal of policy studies Chukyo University, School of Policy Studies, Chukyo University, 12巻, 1, 26,  2021, Not refereed, Single Work
 
- A Study on causes of homelessness to serch preventative homeless measures in Japan
 Yoshihiro Okamoto
 Journal of Policy Studies Chukyo University, School of Policy Studies Chukyo University, 11巻, 1, 16,  2020, Not refereed, Single Work
 
- A fundamental study on the housing risk of a life course
 Yoshihiro Okamoto
 2018 Joint Asia-Pacific Network for Housing Research and Australasian Housing Researchers Conference   Conference Proceedings, School of Engineering and Built Environment Griffith University, Gold Coast Campus, 211, 216,  2018, Not refereed, Single Work
 
- 26, 75, 82,  2018, Not refereed, Single Work 
- 13, 65, 73,  2018, Not refereed, Single Work 
- A Study on the Change of the Local Living Structure by the Urban Redevelopment - The Urban Redevelopment around JR Nagoya Station Neighboring the One-elder Person Households Concentrating Area
 Yoshihiro Okamoto
 Journal of Policy Studies Chukyo University, 8, 8, 69, 84,  2017, Not refereed, Single Work
 
- 47, 168, 22, 23,  2016, Not refereed, Single Work 
- Japanese Social Exclusion and Inclusion from a Housing Perspective
 Yoshihiro Okamoto
 Social Inclusion, 4, 4, 51, 59,  2016, refereed, Single Work
 
- A Study on Housing Poverty in the Nagoya Metropolitan Area, Japan
 Yoshihiro Okamoto
 Journal of the Korean Housing Association, 26, 6, 9, 16,  2015, refereed, Single Work
 
- 11, 21, 27,  2016, Not refereed, Single Work 
-  2014 
-  2014 
-  2014 
-  2014 
-  2013 
-  2011 
- 525, 542,  2007, refereed, Single Work 
-  2005 
- 1, 10,  2003, refereed, Single Work 
- Responses to earthquake disasters in Japan from the viewpoint of homelessness
 Yoshihiro Okamoto
 ENHR 2024 Conference,  2024, Single Work, refereed, lead coordinter, European Network for Housing Research, Delft, The Netherlands
 
- Comparative study on changes in homeless policies in the UK and Japan
 Yoshihiro Okamoto
 ENHR 2023 Conference,  2023, Single Work, Lodz, Poland
 
- A study on the risks on the lifetime
 Yoshihiro Okamoto
 ENHR 2022 Conference,  2022, Single Work
 
- Yoshihiro  Okamoto
 2019, Single Work
 
- A Study on causes of homelessness to serach preventative homeless measures in Japan
 Yoshihiro Okamoto
 European network for Housing Research,  2019, Single Work, refereed, Coordinater, European network for Housing Reserch, Athens, Greece
 
- A fundamental study on the housing risk in a life course for the preventative homeless policy
 Yoshihiro Okamoto
 European Network for Housing Research 2018,  2018, Single Work, refereed, principle coordinator for workshop 27, European Network for Housing Research, at Uppsala University, Uppsala, Sweden
 
- A fundamental study on the housing risk of a life course
 Yoshihiro Okamoto
 2018 Joint APNHR and AHRC Conference,  2018, Single Work, refereed, APNHR and AHRC, Griffith University at Gold Coast, Australia
 
- The present condition and the subject of study about social juvenile protective care of EU in Japan
 Yoshihiro Okamoto
 European Network for Housing Research, International Conference 2016,  2016, Single Work, one of  workshop coordinator, European Network for Housing Research, Belfast, UK
 
- A Study on the risk of the life time through the helpline in Aichi watching landlords in Japan
 Yoshihiro Okamoto
 European Network for Housing Research, International Conference,  2017, Single Work, one of workshop coordinator, European Network for Housing Research, Tirana, Albania
 
- A Study on the Housing Policy for the Risk of the Lifetime in Japan
 Yoshihiro Okamoto
 East Asian Social Policy,  2017, Single Work, Nagoya University, Nagoya, Japan
 
-  2013, Single Work 
-  2009, Single Work 
-  2008, Single Work 
-  2002, Single Work 
-  2002 
- A study on the multiple needs of living difficulties about consultations with housing advice helpline by the landlords
 European Network for Housing Research,  2014, Single Work, European Network for Housing research, UK, Edinburgh
 
-  2013, Joint Work, European Network for Housing Research, Spain, Tarragona 
- Comparison of trends in homelessness in Japan and Ireland in recent years
 Yoshihiro Okamoto
 European Network for Housing Research,  2012, Joint Work, European Network for Housing Research, Norway, Lilehammer
 
- The tackling against the homelessness in Japan has not lead the preventive measures but invited cruel and heartless business for the homeless people
 Yoshihiro Okamoto
 European Network for Housing Research,  2011, Single Work, European Network for Housing Research, France, Toulouse
 
- Comparison of the homeless issue trend of Japan and England in recent years
 Yoshihiro Okamoto
 European Network for Housing Research,  2010, Single Work, European Network for Housing Research, Turkey, Istanbul
 
- A Study on the Structure of Securing and Losing Accommodation in Japan
 Yoshihiro Okamoto
 International Sociological Association, Research Committee 43,  2009, Single Work, International Sociological Association, Research Committee 43, Scotland, UK, Glasgow
 
- A study on the pathway to the homelessness in Japan
 Yoshihiro Okamoto
 International Sociological Association, Research Committee 21,  2008, Single Work, International Sociological Association, Research Committee 21, Tokyo, Japan
 
- Collapse of safety net for marginal people in Japan
 Yoshihiro Okamoto
 European Network for Housing Research,  2008, Single Work, European Network for Housing Research, Ireland, Dublin
 
-  2007, Single Work 
- Evaluation of the Homeless Provisions for those living independently in Japan from the view point of the developing the living capital
 Yoshihiro Okamoto
 Asia-Pacific Network for Housing Research,  2007, Single Work, Asia-Pacific Network for Housing Research, Seoul, South Korea
 
- The comparison study of housing exclusion between UK and Japan
 Yoshihiro Okamoto
 European Network for Housing Research,  2007, Single Work, European Network for Housing Research, Rotterdam, Netherlands
 
-  2006, Single Work 
- The concept of living capital from the review of the recent homeless studies
 Yoshihiro Okamoto
 Asia-Pacific Network for Housing Research,  2005, Single Work, Asia-Pacific Network for Housing Research, Kobe University, Kobe, Japan
 
-  2004, Single Work 
- The Recent controversial rough sleepers' provisions in Japan
 Yoshihiro Okamoto
 European Network for Housing Research,  2004, Single Work, European Network for Housing Research, Cambridge University, Cambridge, UK
 
- Homelessness and housing in Japan
 Yoshihiro Okamoto
 International Sociological Association, Research Committee 43,  2004, Joint Work, ISA-RC43, Toronto, Canada
 
- Indicators of the Japanese Risk Society
 Yoshihiro Okamoto
 Asia-Pacific Network for Housing Research,  2004, Single Work, Asia-Pacific Network for Housing Research, Hong Kong University, Hong Kong
 
- Comparative Study of Homelessness in UK and Japan
 Yoshihiro Okamoto
 European Network for Housing Research,  2002, Single Work, European Network for Housing Research, Austria, Vienna
 
- A Study on the character of Homelessness in Nagoya, Japan
 Yoshihiro Okamoto
 European Network for Housing Research,  2000, Single Work, European Network for Housing Research, Sweden, Gavle