Kao Corporation

Ryota Shiiba

Takashi Fukui

Yoshiaki Kumamoto

Takehiko Tojo

Yoshiyuki Kibe

Kenta Mukai

Toru Ugajin

Toshihiko Mori

Yuki Kondo

Kazuhiro Iitaka

Miyuki Sudo

A skin-attaching sheet including an attaching portion configured for attaching to skin. The attaching portion includes a color-changeable layer that changes color following exposure to ultraviolet rays, and the attaching portion has a color difference (ΔE*ab) in an L*a*b* color system between before exposure and 10 seconds after exposure of 5 or more and 300 or less in a standard exposure test in which the attaching portion is exposed to ultraviolet rays in a moist state.

Patch sheet for skin, method for using same, ultraviolet sensing method, and method for evaluating ultraviolet protection performance

A structure for manufacturing castings, containing an inorganic fiber, a layered clay mineral, and an inorganic particle other than the layered clay mineral and having an organic content of 5 mass % or lower or having a mass loss of 5 mass % or lower when heated at 1000&#xb0; C. for 30 minutes. The inorganic particle preferably contains one or more selected from obsidian, graphite, and mullite. The inorganic fiber preferably contains carbon fiber. The inorganic fiber preferably has an average length of 0.5 to 15 mm. The layered clay mineral preferably contains one or more selected from bentonite and montmorillonite.

Structure for producing cast

Growing community of inventors

Utsunomiya, Japan

Ryota Shiiba