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Yuuichi Yokoyama

Hoya Corporation

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Publication

Featured researches published by Yuuichi Yokoyama.

Archive | 1993

Process for producing cyanopsia-correctable intraocular lens

Masanori Daicho; Yuuichi Yokoyama; Makoto Tsuchiya

Archive | 1990

Contact lens material and contact lens

Yuuichi Yokoyama; Hidetoshi Iwamoto

Archive | 1990

Oxygen-permeable hard contact lens material with excellent impact resistance

Shigeharu Onozuka; Yuuichi Yokoyama; Makoto Tsuchiya

Archive | 1989

Process for producing intraocular lens for correcting cyanopia

Masanori Daicho; Yuuichi Yokoyama; Makoto Tsuchiya

Archive | 1995

Material for contact lens and contact lens prepared therefrom

Masashi Nomura; Yuuichi Yokoyama

Archive | 1991

Process for coloring polymer

Kazuhisa Niijima; Hiroshi Kiriyama; Yuuichi Yokoyama

Archive | 1991

Material for contact lenses and contact lenses prepared therefrom

Masashi Nomura; Yuuichi Yokoyama

Archive | 1987

Material for oxygen-permeable hard contact lens with excellent impact resistance.

Shigeharu Onozuka; Yuuichi Yokoyama; Makoto Tsuchiya

Archive | 1989

High water content soft contact lens

Hideyuki Futamura; Yuuichi Yokoyama; Makoto Tsuchiya

Archive | 1991

Material für Kontaktlinsen und daraus hergestellte Kontaktlinsen. Material for contact lenses and products thereof contact lenses.

Masashi Nomura; Yuuichi Yokoyama

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Makoto Tsuchiya

Hoya Corporation

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Masanori Daicho

Hoya Corporation

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Masashi Nomura

Hoya Corporation

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Hidetoshi Iwamoto

Hoya Corporation

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Shigeharu Onozuka

Hoya Corporation

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Hideyuki Futamura

Hoya Corporation

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Hiroshi Kiriyama

Hoya Corporation

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Kazuhisa Niijima

Hoya Corporation

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