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Hidetoshi Fukuo
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Archive | 2001

Polychromic ink composition depending on viewing angle

Hiroshi Inoue; Satoshi Maruyama; Norihiro Hirano; Hidetoshi Fukuo; Naoshi Murata; Shoko Matsumoto; Kaoru Matsumoto

Archive | 2004

Water base erasable ink composition for use in marking pens

Keiko Nakamura; Hidetoshi Fukuo; Jiro Nakagawa

Archive | 2007

Crayon and method for producing the same

Kotaro Sumitomo; Masamistu Takahashi; Hidetoshi Fukuo

Archive | 2003

Erasable aqueous ink composition for fiber aggregate

Hidetoshi Fukuo; Keiko Nakamura; 慶子 中村; 英敏 福尾

Archive | 2007

PROCESS FOR PRODUCTION OF BLACK CRAYON

Kotaro Sumitomo; Masamitsu Takahashi; Hidetoshi Fukuo

Archive | 2004

Photostorage solid drawing medium

Hidetoshi Fukuo; Masamitsu Takahashi; Kotaro Sumitomo

Archive | 2005

Crayon erasable on non-absorbing surface

Hidetoshi Fukuo; Kotaro Sumitomo; 光太郎 住友; 英敏 福尾

Archive | 2001

Visual angle dipending multi color ink composition

Hidetoshi Fukuo; Norihiro Hirano; Hiroshi Inoue; Satoshi Maruyama; Kaoru Matsumoto; Masako Matsumoto; Naoyuki Murata; 聡 丸山; 浩 井上; 憲弘 平野; 直之 村田; かおる 松本; 松本昌子; 英敏 福尾

Archive | 2007

Crayon and process for producing the same

Kotaro Sumitomo; Masamitsu Takahashi; Hidetoshi Fukuo

Archive | 2005

Solid drawing material and method for producing the same

Keiko Nakamura; Kotaro Sumitomo; Hidetoshi Fukuo

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