Awarded by the Japan Institute of Light Metals (JILM) in recognition of people whose inventions, hypothesis or research established the use of excellent technology born in Japan related to light metal production or products manufactured with light metals.
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Awarded

Development of world-leading weight-reducing parts and technologies for motorcycles

Recipient(s)

Toru Kitsunai
Material Division, Manufacturing Technology Section, Technology Center

Tsuyoshi Kubota
Materials Division, Component Section, Engine Unit

Takaharu Suzuki
Material Division, Research & Development Operations

2005　Oyamada Medal

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Awarded

Creation of various functions for motorcycle aluminum frames

Recipient(s)

Toru Kitsunai, Hiroshi Yamagata, Toshikatsu Koike
Research & Development Operations

2003　Oyamada Medal

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Awarded

Development of cylinder liner in the new rapidly solidified aluminum alloy extruded material

Recipient(s)

Shuhei Adachi, Atsushi Inoue, Shigeru Okaniwa, Jun Kusui
Research & Development Operations

1998　Oyamada Medal

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Awarded

Mass-production of high performance engine piston by forging technology

Recipient(s)

Toshikatsu Koike, Hiroshi Yamagata
Research & Development Operations