Proof validation and modification in secondary school geometry
Komatsu, Kotaro, Jones, Keith, Ikeda, Takehiro, Narazaki, Akito
Published in The Journal of mathematical behavior (01.09.2017)
Published in The Journal of mathematical behavior (01.09.2017)
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Journal Article
Regional Mobility from Prefectures of Origin to Former Imperial Universities in Japan: Aspects of Dispersion and Concentration of Regional Mobility Using Multidimensional Scaling
IKEDA, Takehiro, TAGAITO, Yoshihiro
Published in The Japanese Journal of career education (30.09.2024)
Published in The Japanese Journal of career education (30.09.2024)
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Journal Article
풍압저항이 적은 선박
ASANUMA NORIMICHI, IKEDA TAKEHIRO, TANIGUCHI AKIRA, KIMURA KOHYU, TANAKA YOSHIKAZU
Year of Publication 18.01.2021
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Year of Publication 18.01.2021
Patent
SHIP WITH LITTLE WIND-PRESSURE RESISTANCE
TANIGUCHI Akira, IKEDA Takehiro, KIMURA Kohyu, ASANUMA Norimichi, TANAKA Yoshikazu
Year of Publication 12.12.2019
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Year of Publication 12.12.2019
Patent
선박용 키 및 선박
YAMAMOTO KOTAKU, IKEDA TAKEHIRO, FUJITA SATOSHI, KIMURA KOYU, SAWATA TOSHIKI
Year of Publication 07.12.2018
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Year of Publication 07.12.2018
Patent
VESSEL
YAMAMOTO KOTAKU, IKEDA TAKEHIRO, OKA SAORI, KIMURA KOYU, AKIBAYASHI HIDESATO
Year of Publication 15.02.2018
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Year of Publication 15.02.2018
Patent
SHIP
KIMURA Koyu, IKEDA Takehiro, OKA Saori, AKIBAYASHI Hideaki, YAMAMOTO Kotaku
Year of Publication 15.02.2018
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Year of Publication 15.02.2018
Patent
VESSEL WITH LITTLE WIND RESISTANCE
ASANUMA NORIMICHI, IKEDA TAKEHIRO, TANAKA YOSHIKAZU, TANIGUCHI GO, KIMURA KOYU
Year of Publication 12.12.2019
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Year of Publication 12.12.2019
Patent
VESSEL RUDDER AND VESSEL
YAMAMOTO KOTAKU, IKEDA TAKEHIRO, SAWADA TOSHINORI, FUJITA SATOSHI, KIMURA KOYU
Year of Publication 05.10.2017
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Year of Publication 05.10.2017
Patent
SHIP RUDDER AND SHIP
KIMURA Koyu, FUJITA Satoshi, IKEDA Takehiro, SAWATA Toshiki, YAMAMOTO Kotaku
Year of Publication 05.10.2017
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Year of Publication 05.10.2017
Patent