2015–17: Information Resources Center, Research Institute for Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies
2015–17: Research Associate
2017–20: Center for Collaborative Research on Pre-modern Texts, National Institute of Japanese Literature, National Institutes for Humanities
2017–20: Specially-Appointed Assistant Professor
2020–23: Department of Japanese Culture, Faculty of Humanities, Hokkai-Gakuen University
2023–: Department of Japanese Literature, Faculty of Letters, Keio University
2023–: Associate Professor
2015: Researcher, Graduate School of Letters, Hokkaido University
2017–: Joint Researcher, Research Institute for Languages and Cultures of Asia and Africa, Tokyo University of Foreign Studies
2015. 2014nen-do Nihongo-gakkai ronbun shō [The Society for Japanese Linguistics 2014 Best Paper Award]. The Society for Japanese Linguistics, for “Meiji kenteiki tokuhon-no hiragana jitai” (Studies of the Japanese Language 10.4).
2016. 2016nen-do Nihongo-gakkai shunki taikai happyō shō [The Society for Japanese Linguistics 2016 Spring Meeting Best Presentation Award]. The Society for Japanese Linguistics, for “Wakan Meien-ni-okeru hiragana jitai ninshiki”.
2016. Dai 34-kai Shinmura Izuru kenkyū shōrei shō [The 34th Shinmura Izuru Research Prize]. Shinmura Izuru Foundation.
2020. Dai 2-kai dejitaru ākaibu gakkai shō [The 2nd Japan Society for Digital Archive Award for Scientific Merit (Books)]. Japan Society for Digital Archive, for “Netto bunka sigen-no yomikata tsukurikata”.
2012. Itako bushi-no shiryōsei [A linguistic survey on Itako-bushi]. Gobun ronsō [Journal of Japanese Language and Culture] 27. pp. 26–42. Not refereed.
2013. Edoki-no irohagana [Irohagana in the Edo period]. Kokugo Kokubun Kenkyū [Studies in Japanese Language and Literature] 142. pp. 33–43. Refereed.
2014. Meijiki-no irohagana [Irohagana in the Meiji period]. In Kokugo Mojishi Kenkyūkai (eds.). Kokugo Mojishi no Kenkyū 14 [Studies in the History of Japanese Writings 14]. pp. 135–152. Refreed.
2014. Meiji kenteiki tokuhon-ni-okeru hiragana jitai [The Hiragana graphemes in authorised elementary school reading books of the Meiji period]. Nihongo-no Kenkyū [Studies of the Japanese Language]. 10 (4). pp. 97–83 (desc.). Refreed.
2015. Shōgakkōrei shikō kisoku dai-1gō-hyō oboegaki [On Table 1 annexed to the Ordinance of the Order of Elementary School]. Kokugo Kokubun Kenkyū [Studies in Japanese Language and Literature] 146. pp. 43–56. Refereed.
2020. Meiji zenki chūzō katsuji-no hiragana shotai-ni-okeru dakuon hyōji-to kana jitai ishiki [How Dakuon Was Represented in the Early Meiji Period Moveable Type?]. Nenpo Shinjinbungaku [The Annual Bulletin of the New Humanities] 17. pp. 10–48. Invited.
2022. Nihon kojisho-no fugōka [Encoding of earlier Japanese dictionaries]. In Yuri Ishida, Ikki Omukai, Ayano Kokaze, So Miyagawa, Kiyonori Nagasaki, and Yoichiro Watanabe (eds.). Jinbungaku-no-tame-no tekisuto dēta kōchiku nyūmon: TEI gaidorain-ni junkyo-shita torikumi-ni-muke-te [Introductorial guide to text data construction: Towards TEI Guidelines-compliant initiatives]. Tokyo: Bungaku Tsushin.
2022. Meiji shoki-no hiragana-no katsuji [Hiragana types in the early Meiji period]. Shomotsugaku [Bibliology] 21. pp. 10–18.
2023. (Okada, Kazuhiro, Satoru Nakamura, and Kiyonori Nagasaki). Rubi as a text: A note on ruby gloss encoding. Journal of the Text Encoding Initiative 14. Refereed.
Submitted. Aru edoki-no kana kaisō-kan: Wakan Meien-ni okeru jitai hairetsu [An Edo period view on Hiragana structure: Evidence from the grapheme ordering in Wakan Meien].
2015–. Digital Japanese Studies sunken [A view in digital Japanese studies]. Jimbun Jōhōgaku Geppō [Digital Humanities Monthly] 45–. Not refreed.
2018. Unicode 10.0-ni-okeru hentaigana shūroku [Addition of hentaigana in Unicode 10.0]. Kanji bunken jōhō shori kenkyū [Journal of Japan Association for East Asian Text Processing] 17. Not refreed.
2012. Transl. Galambos, I. Shahon-no jittai-kara mita jisho kijutsu: kaii moji-o rei-to shite [Lexicographic data in light of manuscript evidence: The case of huiyi characters]. In Harumichi Ishiduka (ed.) Kanji Jitaishi Kenkyū [Studies in History of Hanzi Normative]. Tokyo: Bensei Publishing (English into Japanese).
2013. 20 seiki izen kankō-no gaikokujin nihongo kyōkasho-ni-okeru hiragana jitai-to hyōki [Hiragana graphemes and orthography in Western Japanese textbooks published before the 20th Century]. Hokkaidō Daigaku Clerk Kinen Zaidan Hakushi Kōki Katei Zaigakusei Kenkyū Josei [Research Grant for Doctoral Course Students, Hokkaido University Clark Memorial Foundation].
2017–21. Historical Research of Hiragana upon Integration of Hiragana Grapheme Database and the 19th-Century Textbook Corpus of Hiragana Grapheme. Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists (B), 17K13462.
2022–26. Orthographic investigations of Writing System Reform Movement in the Meiji 10s. Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research, Grant-in-Aid for Young Scientists, 22K13129.
2020 (With Yukiko Miyamoto, Kazuaki Yamamoto, and Yasuyuki Shimizu). Kokubungaku kenkyū shiryōkan-no jōhō shigen-no nihongogaku kenkyū-e-no ōyō [Information resource of National Institute of Japanese Literature as a source for Japanese Linguistics]. 2020 Spring Meeting, The Society for Japanese Linguistics, Tokyo University of Foreign Studies. [Postponed to 2020 Fall Meeting due to the global COVID-19 pandemic]
2020 (With Tarin Clanuwat, Yuta Hashimoto, and Bettina Gramrich-Oka). Digital humanities and the future of premodern Japanese studies. ASCJ2020, Sophia University [Cancelled due to the global COVID-19 pandemic]
2011. Meiji-ki Kokugo-kei kyōkasho-no kanahyō-ni-okeru Hiragana [Hiragana used in Kana-charts of textbooks in the Meiji era]. 2011 Spring Meeting, The Society for Japanese Linguistics, Kobe University.
2012. Dai-sanji Shōgakkōrei izen-no Kokugo kyōkasho-ni-okeru kana jitai-no hensen [Transition in Hiragana glyphs in the Japanese textbooks published earlier than the third Ordinance for Enforcement of the Order of Elementary School]. 2012 Spring Meeting, The Society for Japanese Linguistics, Chiba University.
2014. Yamato-kana-to Ōshū nihongaku-ni-okeru kana kenkyū [Yamato-kana and the Kana studies in Europe-American Japanology]. 2014 Spring Meeting, The Society for Japanese Linguistics, Waseda University.
2014. Typological differences in the linked writing of cursives. The Ninth International Workshop on Written Language and Literacy, University of Sussex.
2015. Kemperu Nihon-shi shukō-ni-okeru kana-no bunrui-to kampon-deno henkai [Classification of Kana in Kaempfer’s Heutiges Japan: Contrast between Manuscript and Printed Book]. 2015 Spring Meeting, The Society for Japanese Linguistics, Kwansei Gakuin University.
2015 (Matsuura, Toshio, Tamura Sanae, Ishigaki Kanako, Okada Kazuhiro, Takagi Yui, and Yoshimura Yūsuke). Daigaku shonenji-no bunshō hyōgen kyōiku-ni-okeru ‘review ronbun’ sakusei-no shikō [A trial of writing review essay in writing courses in the first-year in higher education]. 11th The Japan Association for Developmental Education. Hokusei Gakuen University. Poster Presentation.
2016. Wakan meien-ni-okeru hiragana jitai ninshiki [Hiragana grapheme recognition in Wakan meien]. 2016 Spring Meeting, The Society for Japanese Linguistics, Gakushuin University, In-Booth Presentation
2016. Reorganising a Japanese calligraphy dictionary into a grapheme database and beyond: The case of the Wakan Meien grapheme database. JADH2016. University of Tokyo.
2017. Hentaigana charts in Meiji Textbooks Revisited: An analysis of hentaigana charts. EAJS2017. Universidade Nova de Lisboa.
2019. Diverse standards in the Pre-modern Japanese orthography. The Twelfth International Workshop of the Association of Written Language and Literacy, University of Cambridge.
2019 (Kazuhiro Okada, Satoru Nakamura, and Kiyonori Nagasaki). An encoding strategic proposal of “ruby” texts: Examples from Japanese texts. TEI2019, University of Graz.
2019 (Satoru Nakamura, Kazuhiro Okada, and Kiyonori Nagasaki). An attempt of dissemination of TEI in a TEI-underdeveloped country: Activities of the SIG EAJ. TEI2019, University of Graz.
2021. The less unit-ness of grapheme in the Japanese writing system. EAJS2021. Online.
2022. Considerations for the TEI encoding of Sino-Japanese glossed materials. DH2022. Online.
2023. A corpus-based approach to changes in okuri-gana in modern Japanese. EAJS2023. Ghent University.