Education /Research and Work Experience:
Former IXAS (1,263 members) Chair, current editor of the IXAS web and web journal (1.2M page views/year). Currently working at High Energy Accelerator Research Organization (KEK)
March 1980 Ph. D., University of Tokyo
April ,1980 - March 1987 Researcher, Electrotecnical Laboratory(ETL) 

April ,1987 - March 1992 Senior Researcher, ETL
April ,1992 – March1997 Chief of Exotic Matter Physics Section, ETL
April ,1997 - March 2000 Associate Director, Physical Science Division, ETL
April , 2000 –March 2015 Principal Research Scientist, National Institute of Advanced Industrial Science & Technology (AIST)
Research Interests:

Throughout the research period, he paid attention to “Structure and Functions”, and has worked in the field of synchrotron radiation, particularly, x-ray absorption spectroscopy (XAS). He received the Science and Technology Director Award for complementary works in the field of thin films, semiconductors and high temperature superconductors. Specializing in beamlines and in-situ UHV surface studies. H.O. has worked also in international collaboration research with Italian and Chinese researchers team.