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Tasaki Masutsugu, Ichikawa Akira, Odaki Tsutomu, Takagi Kazuhisa: Transparent coating member for light-emitting diodes and fluorescent color light source. Asahi Rubber, January 13, 1999: EP0890996-A2 (30 worldwide citation)

A transparent coating is provided on a surface of a light-emitting diode. The coating includes a fluorescent substance. The wavelength of an emitted light peculiar to the light-emitting diode is changed by the fluorescent substance contained in the coating to change the luminescent color. The fluore ...


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TASAKI MASUTSUGU: 白色反射材及びその製造方法 (JA), White color reflecting material and process for production thereof (EN). ASAHI RUBBER, Komiya Yoshio, December 29, 2010: WO/2010/150880 (15 worldwide citation)

A general-use white color reflecting material, and a process for production thereof are provided. The white color reflecting material, without troublesome surface treatment such as formation of a reflective layer by metallization, is capable of reflecting a near-ultraviolet ray of a wavelength regio ...


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TASAKI MASUTSUGU: 可撓性反射基材、その製造方法及びその反射基材に用いる原材料組成物 (JA), Flexible reflective substrate, manufacturing method for same, and base material composition for use in reflective substrate (EN). ASAHI RUBBER, Komiya Yoshio, September 29, 2011: WO/2011/118109 (5 worldwide citation)

Disclosed is a versatile flexible reflective substrate which exhibits high reflectance of high luminance light of emission wavelengths from approximately 340-500nm, superior thermal conductivity, and which is flexible and can follow bends without the generation of corrugations or cracks. The flexibl ...


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TASAKI MASUTSUGU: シリコーン樹脂製反射基材、その製造方法、及びその反射基材に用いる原材料組成物 (JA), Silicone resin reflective substrate, manufacturing method for same, and base material composition used in reflective substrate (EN). ASAHI RUBBER, Komiya Yoshio, September 29, 2011: WO/2011/118108 (3 worldwide citation)

Disclosed is a versatile silicone resin reflective substrate which exhibits high reflectance of high luminance light from an LED light source over a wide wavelength from short wavelengths of approximately 340-500nm, which include wavelengths from 380-400nm near the lower limit of the visible region, ...


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Tasaki Masutsugu, Ichikawa Akira, Odaki Tsutomu, Takagi Kazuhisa: Transparent coating member for light-emitting diodes and fluorescent color light source. Asahi Rubber, Sanken Electric, February 14, 2007: EP1753037-A1 (1 worldwide citation)

The present invention relates to a transparent coating member (3) to be placed on the surface of and adhered to a light-emitting diode (4), said transparent coating member (3) being in a form of a sheet and made of a silicone elastomer as a bonding resin and comprising an inorganic fluorescent subst ...


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TASAKI Masutsugu, ICHIKAWA Akira, SATO Hideaki, ENDO Satoshi, MOTOYANAGI Takayuki, OKABE Yoshihiro, ORIKASA Yoichi, AZUMA Masaru: レンズ付き光半導体装置、及びその製造方法, DISPOSITIF SEMI-CONDUCTEUR À LENTILLE ET SON PROCÉDÉ DE FABRICATION, SEMICONDUCTOR DEVICE WITH LENS AND METHOD FOR MANUFACTURING SAME. ASAHI RUBBER, TASAKI Masutsugu, ICHIKAWA Akira, SATO Hideaki, ENDO Satoshi, MOTOYANAGI Takayuki, OKABE Yoshihiro, ORIKASA Yoichi, AZUMA Masaru, EGAWA Masaru, November 1, 2012: WO/2012/147342 (1 worldwide citation)

This semiconductor device with a lens is characterized by being provided with: an optical semiconductor device comprising at least one optical semiconductor element mounted on a substrate and a transparent resin sealing body that seals the optical semiconductor element; a resin lens provided with a ...


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TASAKI MASUTSUGU, ICHIKAWA AKIRA, ODAKI TSUTOMU, TAKAGI KAZUHISA: [fr] Élément de revêtement transparent pour diodes électroluminescentes et source lumineuse fluorescente colorée, [de] Transparentes Beschichtungselement für lichtemittierende Dioden und Fluoreszenzlichtquelle, [en] Transparent coating member for light-emitting diodes and fluorescent color light source. ASAHI RUBBER, SANKEN ELECTRIC, January 5, 2011: EP2270885-A2

[en] The present invention relates to a method of producing a fluorescent color light source, comprising a step of dispersing a fluorescent substance in a resin to obtain a fluorescent-substance-containing resin a step of molding the fluorescent-substance-containing resin to obtain a transparent coa ...


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TASAKI MASUTSUGU, IGARASHI NAOTO, ODAKI TSUTOMU, YOSHIDA MAIMI: WHITE COLOR REFLECTING MATERIAL AND PROCESS FOR PRODUCTION THEREOF, MATERIAL ZUR REFLEKTION VON WEISSER FARBE UND HERSTELLUNGSVERFAHREN DAFÜR, MATÉRIAU RÉFLÉCHISSANT DE COULEUR BLANCHE ET SON PROCESSUS DE PRODUCTION. ASAHI RUBBER, May 2, 2012: EP2448026-A1

A general-use white color reflecting material, and a process for production thereof are provided. The white color reflecting material, without troublesome surface treatment such +-s formation of a reflective layer by plating, is capable of reflecting a near-ultraviolet ray of a wavelength region of ...