Nobuyuki IKEYA

Ph. D. (Meiji University)

Chief Curator of Numazu City Cultural Heritage Investigation Center
46-1, Ohzuwa, Numazu City, Shizuoka Prefecture, Japan 〒410-0873
Born 27th January 1959 in Izu-no-Kuni City, Shizuoka Prefecture, Japan


1978-1981 Meiji University, B.A., Archaeology and Geography.
1981-1983 Meiji University, M.A., Archaeology.
2008 Obtained history Ph.D. degree from Meiji University.


1985- present : Curator of Numazu City Cultural Heritage Investigation Center.

Current Research

■Method for identifying obsidian sources by Energy-dispersive X-ray Spectroscopy (EDXRF).
■History of obsidian use.
■Obsidian transportation crossing the Pacific in Paleolithic and Jomon Japan. 
■Method for identifying Jomon pottery sources by EDXRF.


■Received the 7th Togariishi Jomon Culture Prize, in honor of the advancement of Jomon culture studies. October 2006, from Chino City, Nagano Prefecture, Japan.
■Received the Shizuoka Culture Prize in 2010. May 2010, from Shizuoka Prefecture, Japan.
■Received the 1st Japanese Archaeological Association Grand Prize, in 2011 in honor of the advancement of obsidian studies. May 2011, from Japanese Archaeological Association, Japan.
■Received the 6th Japan Society for Scientific Studies on Cultural Properties, Excellent Paper Award, in 2012 in honor of the advancement of obsidian circulation studies. June 2012, from Japan Society for Scientific Studies on Cultural Properties, Japan.
■Received the 3th Japanese Paleolithic Research Association Grand Prize, in 2015 in honor of the advanced obsidian research and contribution to Paleolithic studies. June 2016, from Japanese Paleolithic Research Association, Japan.

Selected Publications


■Ikeya, N. 2009 Obsidian Archaeology : Social Structure and its Changes Based on Identifying Obsidian Sources. Shinsensha Co., Ltd., P. 306. Tokyo. (in Japanese) (The thesis for the Ph.D.)
■Sugiyama, K., Ikeya, N. 2007 Obsidian Studies for Cultural Changes from Jomon to YayoiⅠ, P. 166. (Private publishing in Japanese)
■Sugiyama, K., Ikeya, N. 2006 Obsidian Studies for Cultural Changes from Jomon to YayoiⅡ,  P.134. (Private publication in Japanese)
■Ikeya, N. 2005 Obsidian Went Across the Kuroshio Current : Mitaka-dannma Site. Shinsensha Co., Ltd., P. 93. Tokyo. (in Japanese)

Monographs and Selected Articles

■Ikeya, N. 2017 Kozushima Island obsidian in the Upper Paleolithic and archaeological proof of sea crossing by HomoSapiens. In: Msato, A., Practice of the theoretical archeology (theoretical volume), pp.27-54, Doseishiya. (in Japanese)
■Ikeya, N. 2017 Kozusima Island obsidian exchange hub sites located on the south-east coastal area of Izu peninsula: analysis of its continuity in the Jomon Period. Nagano prefectural bulletin of archaeology 154, pp.81-90. (in Japanese)
■Ikeya, N. 2017 Group migration and cultural change following the Akahoya volcanic ashfall: Identifying the pottery production centers at the beginning of the Early Jomon period of Japan. Quaternary International 442, pp.23-32.
■Ikeya, N. 2015 Maritime transport of obsidian in Japan during the Upper Paleolithic. In: Yusuke K., Masami I., Ted G., Hiroyuki S., Akira O. (Eds.), Emergence and diversity of Modern Human behavior in Paleolithic Asia. pp.362-375, Texas A&M University Press College Station.
■Ikeya, N. 2014 Identification of archeological obsidian sources in Kanto and Chubu regions (Central Japan) by energy dispersive X-ray fluorescence analysis. In: Akira O., Michael D. G., Yaroslav V. K., Yoshimitsu S.(Eds.), BAR International Series 2620 Methodological issues for characterization and provenance studies of obsidian in Northeast Asia, pp.111-123, Archaeopress.
■IKeya, N. 2012 ‘The Non Mikoshiba Cultural World’in the Tokai Region. Incipient Jomon Symposium 2012 – Beyond the Theory of Origin-. Society of Tokai Jomon Culture & The Society for the Study of Material Culture. pp.24-32. (in Japanese)
■Ikeya, N. 2012 Identifying the sources of Jomon Pottery by EDXRF Analysis : The Border Transgression of the Beginning-Early Jomon Pottery across the Itoigawa-Shizuoka Tectonic Line.  Proceedings for the Tenth Anniversary of the Togariishi Jomon Archaeological Museum. pp.30-40. (in Japanese)
■Ikeya, N., Gomi, N. Shinohara, K. 2010 Archaeological Research and Obsidian identifying for the Nishi-Kaizuka Shell Mounds in Shizuoka Prefecture, Shizuoka Archaeological studies No.41・42. pp.25-34. (in Japanese)
■Sugiyama, K., Ikeya, N. 2010 Another Circulation System of Kozushima Obsidian in transition period from Jomon to Yayoi : Distribution of Kozushima-Sanukazaki Obsidian. Archaeology and Natural Science vol.60. pp.13-28. (in Japanese with English abstract)
■Oshizawa, N., Ikeya, N. 2010 Obsidian identifying for Saihiro-Kaizuka Shell Mounds in Ichikawa City Chiba Prefecture. Chiba Archaeological Studies vol.4.pp.1-9. (in Japanese)
■Ikeya, N., Togashi, T. Magara, T. 2010 Chronology and Locality of Paleolithic Culture : Tokai and Hokuriku Region. Lecture of Japanese Archaeology Vol.1 Paleolithic Period. Aokishoten Co.,Ltd., pp.473-504. Tokyo. (in Japanese)
■Ikeya, N., Masujima, J. 2009 Identifying the sources of Jomon Pottery - West Side or East Side of the Itoigawa-Shizuoka Tectonic Line - by EDXRF Analysis : Based on the Case Study in the Tokai and South Kanto region. Festschrift for the 70th anniversary of Sugiyama Hrohisa’s birth, ‘Archeaological Locality and its historical studies’ pp.41-64. (in Japanese)
■Ikeya, N. 2009 Pit-Fall Hunting and Human Behavior for Raw Material Acquisition and Stone Tool Production : Focused on Cultural Phase BBⅢ at the Foot of Mt.Ashsitaka and Mt Hakoe. Sunndai Historical Review No.135. pp.71-90. (in Japanese with English abstract)
■Ikeya, N. 2008 Tokai Region : Changing administration system for Stone Material in the Incipient Jomon, from Groups to Households. Structural Changes of Jomon Culture. Doseisha Co.,Ltd. pp.116-134. (in Japanese)
■Ikeya, N. 2008 The Result of Obsidian identifying for Jomon period in East Kanto Region. Chiba Archaeological Studies  vol.2. pp.61-91. (in Japanese)
■Ikeya, N. 2007 Supply of Archaeological Obsidian. Archaeology of Jomon Period vol.6 : Monozukuri : Techniques and Organization in Tool Production. Doseisha Co.,Ltd. pp.55-163. (in Japanese)
■Ikeya, N. 2006 Co-presence and Competition among Local Groups at the Time of Akahoya Volcanic Ash Fall. Isewan Bay Archaeology vol.20. pp.77-104. (in Japanese)
■Ikeya, N. 2006 Circulation of Obsidian and its Quarry Development in the Southeast Area of Pan-Central Highland. Obsidian-Cultural Studies. vol.4 pp.161-171. (in Japanese)
■Ikeya, N. 2005 Kozu-shima Island and a Maritime Voyage of the Palaeolithic Period. The archaeological Journal No.525. New Science Co.,Ltd. pp.12-14. (in Japanese)
■Ikeya, N. 2005 From “obsidian of the Sea” to “obsidian of the Mountains’: Obsidian trade revealed from Mitaka-Dannma Site. Quarterly of Archaeological Studies. vol.52 No.3 pp.12-28. (in Japanese with English abstract) 

Presentations at the International Congress and Workshop

■Ikeya, N. 2016 Transporting Kozushima Island obsidian across the Pacific Ocean at the beginning of early Upper Paleolithic, Japan. International Obsidian Conference, Regional Aeolian Museum Luigi Bernabo Brea, Lipari, Italy. June 1st-3rd, 2016.
■Ikeya, N. 2015 Emigrations and cultural changes at the beginning of Early Jomon, after the Akahoya volcanic ashfall, Japan. XIX INQUA Congress, Quaternary perspectives on climate change, Natural hazards and civilization, oral[H31]Human behavioral variability in prehistoric Eurasia, Nagoya Congress Center, 26 July - 2 August, 2015.
■Ikeya, N. 2013 Maritime transportation of obsidian across the Pacific during the early Upper Paleolithic Japan, Stories written in stone’International symposium on chart and other knappable materials (Session8: Methodological issues of obsidian and a new perspective of archaeological obsidian), AIC University of Iasi, Romania, 23 August 2013.



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