Patents by Inventor Masayasu Kakinuma
Masayasu Kakinuma has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11124657Abstract: A transparent laminate including a transparent substrate and structure layer, wherein the structure layer contains protrusion portions, depression portions, or both on a surface thereof, and an average distance between the adjacent protrusion portions or between the adjacent depression portions is equal to or less than a visible light wavelength, the structure layer includes a polymerized product of an active energy ray curable resin composition, the resin composition includes a composition of a (meth)acryloyl group-containing polymerizable compound, the compound composition includes one or more from each of (A), (B), and (C): (A) a monofunctional (meth)acryloyl group-containing polymerizable compound; (B) alkylene glycol di(meth)acrylate; and (C) trifunctional or higher (meth)acrylate, the (A) satisfies certain conditions specifying a type and amount of a compound, and a ratio (E?150/E?50) of storage elastic modulus E?150 of the structure layer at 150° C. to storage elastic modulus E?50 thereof at 50° C.Type: GrantFiled: May 13, 2016Date of Patent: September 21, 2021Assignee: Dexerials CorporationInventors: Eiji Ohta, Masayasu Kakinuma, Masaki Takenouchi, Satoshi Kawamura, Kiyoaki Tanifuji, Emi Yoshida, Kimitaka Nishimura, Shunichi Kajiya, Shigehisa Ohkawara, Maki Ogawa
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Patent number: 10653560Abstract: A transparent laminate including: transparent substrate; and structure layer which contains protrusion portions, depression portions, or both on a surface thereof, average distance between the protrusion portions adjacent or the depression portions adjacent being equal to or less than wavelength of visible light; the structure layer including polymerized product of active-energy-ray-curable resin composition including composition of (meth)acrylate-based-polymerizable compound; the composition including at least any of the following (A) and (B), and the following (C) and (D): (A) ester (meth)acrylate of trihydric alcohol having main and side chain each including alkyl chain; (B) ester di(meth)acrylate of ethylene-oxide-modified bisphenol A; (C) polyalkylene glycol di(meth)acrylate; and (D) ester di(meth)acrylate of dihydric alcohol having main chain including linear alkyl chain; water contact angle on the surface of the structure layer being 26° or more and 74° or less; and storage elastic modulus at 180° C.Type: GrantFiled: July 9, 2015Date of Patent: May 19, 2020Assignee: DEXERIALS CORPORATIONInventors: Masayasu Kakinuma, Masaki Takenouchi, Eiji Ohta, Satoshi Kawamura, Maki Ogawa
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Patent number: 10575572Abstract: There is provided a transparent film for a face protection shield in which transparency is enhanced and visibility from a non-wearer is also enhanced, the transparent film for a face protection shield including: a transparent base material having flexibility; and a transparent resin layer configured to be laminated on at least one of surfaces of the transparent base material, the transparent resin layer having on a surface a plurality of structural bodies including concavities or convexities provided at a pitch of less than or equal to a visible light wavelength. A refractive index of the transparent base material is different from a refractive index of the transparent resin layer, and an interface between the transparent base material and the transparent resin layer has a concave-convex shape.Type: GrantFiled: May 27, 2015Date of Patent: March 3, 2020Assignee: DEXERIALS CORPORATIONInventors: Masayasu Kakinuma, Kimitaka Nishimura, Satoshi Kawamura, Hideki Terashima, Eiji Ohta, Shunichi Kajiya, Jun Sasaki, Kiyoaki Tanifuji
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Publication number: 20180148578Abstract: A transparent laminate including a transparent substrate and structure layer, wherein the structure layer contains protrusion portions, depression portions, or both on a surface thereof, and an average distance between the adjacent protrusion portions or between the adjacent depression portions is equal to or less than a visible light wavelength, the structure layer includes a polymerized product of an active energy ray curable resin composition, the resin composition includes a composition of a (meth)acryloyl group-containing polymerizable compound, the compound composition includes one or more from each of (A), (B), and (C): (A) a monofunctional (meth)acryloyl group-containing polymerizable compound; (B) alkylene glycol di(meth)acrylate; and (C) trifunctional or higher (meth)acrylate, the (A) satisfies certain conditions specifying a type and amount of a compound, and a ratio (E?150/E?50) of storage elastic modulus E?150 of the structure layer at 150° C. to storage elastic modulus E?50 thereof at 50° C.Type: ApplicationFiled: May 13, 2016Publication date: May 31, 2018Inventors: Eiji Ohta, Masayasu Kakinuma, Masaki Takenouchi, Satoshi Kawamura, Kiyoaki Tanifuji, Emi Yoshida, Kimitaka Nishimura, Shunichi Kajiya, Shigehisa Ohkawara, Maki Ogawa
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Publication number: 20170208878Abstract: There is provided a transparent film for a face protection shield in which transparency is enhanced and visibility from a non-wearer is also enhanced, the transparent film for a face protection shield including: a transparent base material having flexibility; and a transparent resin layer configured to be laminated on at least one of surfaces of the transparent base material, the transparent resin layer having on a surface a plurality of structural bodies including concavities or convexities provided at a pitch of less than or equal to a visible light wavelength. A refractive index of the transparent base material is different from a refractive index of the transparent resin layer, and an interface between the transparent base material and the transparent resin layer has a concave-convex shape.Type: ApplicationFiled: May 27, 2015Publication date: July 27, 2017Applicant: DEXERIALS CORPORATIONInventors: Masayasu KAKINUMA, Kimitaka NISHIMURA, Satoshi KAWAMURA, Hideki TERASHIMA, Eiji OHTA, Shunichi KAJIYA, Jun SASAKI, Kiyoaki TANIFUJI
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Publication number: 20170209308Abstract: A transparent laminate including: transparent substrate; and structure layer which contains protrusion portions, depression portions, or both on a surface thereof, average distance between the protrusion portions adjacent or the depression portions adjacent being equal to or less than wavelength of visible light; the structure layer including polymerized product of active-energy-ray-curable resin composition including composition of (meth)acrylate-based-polymerizable compound; the composition including at least any of the following (A) and (B), and the following (C) and (D): (A) ester (meth)acrylate of trihydric alcohol having main and side chain each including alkyl chain; (B) ester di(meth)acrylate of ethylene-oxide-modified bisphenol A; (C) polyalkylene glycol di(meth)acrylate; and (D) ester di(meth)acrylate of dihydric alcohol having main chain including linear alkyl chain; water contact angle on the surface of the structure layer being 26° or more and 74° or less; and storage elastic modulus at 180° C.Type: ApplicationFiled: July 9, 2015Publication date: July 27, 2017Applicant: DEXERIALS CORPORATIONInventors: Masayasu KAKINUMA, Masaki TAKENOUCHI, Eiji OHTA, Satoshi KAWAMURA, Maki OGAWA
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Patent number: 8179504Abstract: A liquid crystal display having a wide color reproduction range is provided. A liquid crystal display includes a liquid crystal panel driven based on image signals, a light source emitting light for illuminating the liquid crystal panel, and a light selective transmission filter, which has wavelength selective transmission characteristics corresponding to spectral characteristics of the light source, selectively transmits light generated from the light source in the specific wavelength regions based on the wavelength selective transmission characteristics, and guides the transmitted light to the liquid crystal panel.Type: GrantFiled: July 22, 2009Date of Patent: May 15, 2012Assignee: Sony CorporationInventors: Shina Kirita, Junichi Ohsako, Toshitaka Kawashima, Masayasu Kakinuma, Shuichi Haga
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Publication number: 20110026240Abstract: An optical element laminate is provided which, while an increase in thickness of a liquid crystal display device is suppressed, improves insufficient rigidity of an optical element and, in addition, which does not degrade display characteristics of the liquid crystal display device. The optical element laminate includes a plate-shaped support member having a first primary surface and a second primary surface and an optical element which is laminated on at least one of the first primary surface and the second primary surface of the support member and, in addition, which has a film shape or a sheet shape. The periphery of the laminated optical element is at least bonded to facing two sides of the support member, the optical element and the support member are placed in close contact with each other, and a thickness t of the support member, a length L of the support member, and a tensile force F of the optical element satisfy the relational expression of 0?F?1.Type: ApplicationFiled: September 18, 2009Publication date: February 3, 2011Applicant: SONY CORPORATIONInventors: Hiroshi Hayashi, Eiji Ohta, Ken Hosoya, Yasuyuki Kudo, Shigehiro Yamakita, Masayasu Kakinuma, Taku Ishimori, Shogo Shinkai, Yoshiyuki Maekawa, Masami Miyake, Yohei Kanno, Fumiko Sasaki, Akihiro Horii
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Patent number: 7782420Abstract: An optical element covering member is provided which can suppress degradation in display performance caused by warping and undulation. The optical element covering member includes at least one optical element, a support medium supporting the optical element; and a covering member covering the optical element and the support medium. In the above optical element covering member, the covering member has a Vicat softening point of more than 85° C., and at least one surface of the covering member, which covers the support medium, has a coefficient of thermal expansion in the range of 85% to 160% of the coefficient of thermal expansion of the support medium.Type: GrantFiled: April 8, 2008Date of Patent: August 24, 2010Assignee: Sony CorporationInventors: Eiji Ohta, Toru Abiko, Masayasu Kakinuma, Ken Hosoya, Taku Ishimori, Shigehiro Yamakita, Shogo Shinkai
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Patent number: 7697088Abstract: An optical element covering member capable of improving insufficiency in rigidity of the optical element while an increase in thickness of a liquid crystal display device or deterioration of display characteristics of the liquid crystal display device is reduced, a backlight provided with the optical element covering member, and a liquid crystal display device are provided. The optical element covering member includes at least one optical element, a support medium for supporting the at least one optical element, and a covering member for covering the at least one optical element and the support medium. The at least one optical element and the support medium constitute a stack.Type: GrantFiled: February 7, 2008Date of Patent: April 13, 2010Assignee: Sony CorporationInventors: Eiji Ohta, Toru Abiko, Yasuyuki Kudo, Hirokazu Odagiri, Satoshi Sato, Andrew Chakchung Yu, Masayasu Kakinuma, Fumiko Sasaki
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Patent number: 7683980Abstract: An optical element covering member includes: at least one optical element; a support medium supporting the at least one optical element; and a shrinkable covering member covering the at least one optical element and the support medium. In the optical element covering member, among sides forming primary surfaces of the support medium, at least one set of sides facing each other is covered with the covering member, and the following equation (1) is satisfied under conditions at a temperature of 70° C., 0?F?1.65×104×t/L ??(1) where t indicates the thickness of the support medium, L indicates the length of the side of the support medium covered with the covering member, F indicates a tensile force of the covering member, which acts in a direction parallel to the side having the length L.Type: GrantFiled: September 17, 2008Date of Patent: March 23, 2010Assignee: Sony CorporationInventors: Eiji Ohta, Ken Hosoya, Yasuyuki Kudo, Shigehiro Yamakita, Masayasu Kakinuma, Taku Ishimori, Shogo Shinkai
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Patent number: 7649687Abstract: A reflective screen includes a light reflecting layer, and a light diffusing layer provided on the light reflecting layer. The light diffusing layer has the diffusion property that in one (A axis) of two perpendicular axial directions on a light diffusion plane, a luminance distribution curve versus incidence angle is asymmetric with respect to the zero-incidence-angle axis, and the side on which the incidence angle (half-luminance incidence angle) with half of a peak luminance on the A axis in the normal direction to the screen plane is small faces in a direction in which external light has the highest strength.Type: GrantFiled: June 26, 2006Date of Patent: January 19, 2010Assignee: Sony CorporationInventors: Kazuhito Shimoda, Shunichi Kajiya, Takashi Watanabe, Masayasu Kakinuma, Hiroyuki Kiso, Hideya Chubachi, Hiroshi Hayashi, Ken Hosoya, Akiko Murakami, Ko Ishikawa, Shinichi Kondo
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Publication number: 20090310060Abstract: An optical package includes one or two or more film-like or sheet-like optical elements, a plate-like support which supports the one or two or more optical elements, and a film-like or sheet-like packaging member which covers the one or two or more optical elements and the support. The one or two or more optical elements and the support form a stack, the stack and the packaging member are in close contact with each other, and the packaging member has a shrinkage property or a stretching property and contains voids and a filler disposed in the voids.Type: ApplicationFiled: June 10, 2009Publication date: December 17, 2009Applicant: SONY CORPORATIONInventors: Miki Sudo, Eiji Ohta, Tatsuya Harima, Shogo Shinkai, Taro Omura, Kazuhiro Okamoto, Akiko Kakibe, Masayasu Kakinuma
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Publication number: 20090303413Abstract: An optical sheet packaged body in which a wrinkle is not generated is provided. The optical sheet packaged body includes a laminated body in which a plurality of optical sheets such as a light source image segmentation sheet, a diffusion plate, a diffusion sheet, and a luminance enhancement film are layered, and a flexible film that wraps around the laminated body and has one or a plurality of openings to expose at least part of an outer edge of the diffusion plate. An exposed portion exposed from at least one of the openings of the diffusion plate is provided with a shape (supported portion) for positioning to a chassis (bottom chassis and middle chassis) supporting the optical sheet packaged body.Type: ApplicationFiled: February 13, 2008Publication date: December 10, 2009Applicant: SONY CORPORATIONInventors: Eiji Ohta, Toru Abiko, Yasuyuki Kudo, Hirokazu Odagiri, Satoshi Sato, Andrew Chakchung Yu, Hiroshi Hayashi, Yoshiyuki Maekawa, Masayasu Kakinuma, Taro Omura, Taku Ishimori, Shigehiro Yamakita, Yoshihiro Fujimaki, Mitsunari Hoshi
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Patent number: 7630032Abstract: A liquid crystal display having a wide color reproduction range is provided. A liquid crystal display includes a liquid crystal panel driven based on image signals, a light source emitting light for illuminating the liquid crystal panel, and a light selective transmission filter, which has wavelength selective transmission characteristics corresponding to spectral characteristics of the light source, selectively transmits light generated from the light source in the specific wavelength regions based on the wavelength selective transmission characteristics, and guides the transmitted light to the liquid crystal panel.Type: GrantFiled: September 2, 2005Date of Patent: December 8, 2009Assignee: Sony CorporationInventors: Shina Kirita, Junichi Ohsako, Toshitaka Kawashima, Masayasu Kakinuma, Shuichi Haga
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Publication number: 20090284687Abstract: A liquid crystal display having a wide color reproduction range is provided. A liquid crystal display includes a liquid crystal panel driven based on image signals, a light source emitting light for illuminating the liquid crystal panel, and a light selective transmission filter, which has wavelength selective transmission characteristics corresponding to spectral characteristics of the light source, selectively transmits light generated from the light source in the specific wavelength regions based on the wavelength selective transmission characteristics, and guides the transmitted light to the liquid crystal panel.Type: ApplicationFiled: July 22, 2009Publication date: November 19, 2009Applicant: SONY CORPORATIONInventors: Shina Kirita, Junichi Ohsako, Toshitaka Kawashima, Masayasu Kakinuma, Shuichi Haga
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Publication number: 20090079899Abstract: An optical element package includes at least one optical element; a supporting member that supports the at least one optical element; and a packaging component having shrinkability that packages the at least one optical element and the supporting member. The supporting member has two main surfaces having a rectangular shape, and in angle formed between an orientation axis of a main surface portion of the packaging component and a side surface of the supporting member is 8° or less.Type: ApplicationFiled: September 12, 2008Publication date: March 26, 2009Applicant: SONY CORPORATIONInventors: Eiji Ohta, Ken Hosoya, Shigehiro Yamakita, Shogo Shinkai, Masayasu Kakinuma, Taku Ishimori
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Publication number: 20090079900Abstract: An optical element covering member includes: at least one optical element; a support medium supporting the at least one optical element; and a shrinkable covering member covering the at least one optical element and the support medium. In the optical element covering member, among sides forming primary surfaces of the support medium, at least one set of sides facing each other is covered with the covering member, and the following equation (1) is satisfied under conditions at a temperature of 70° C., 0?F?1.65×104×t/L ??(1) where t indicates the thickness of the support medium, L indicates the length of the side of the support medium covered with the covering member, F indicates a tensile force of the covering member, which acts in a direction parallel to the side having the length L.Type: ApplicationFiled: September 17, 2008Publication date: March 26, 2009Applicant: SONY CORPORATIONInventors: Eiji Ohta, Ken Hosoya, Yasuyuki Kudo, Shigehiro Yamakita, Masayasu Kakinuma, Taku Ishimori, Shogo Shinkai
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Publication number: 20090079896Abstract: An optical element covering member, and a backlight and a liquid crystal display device which use the optical element covering member are disclosed. The optical element covering member includes an optical element stacked member including one or more optical elements and a support medium for supporting the one or more optical elements, and a covering member for covering the optical element stacked member. The optical element stacked member covered with the covering member has at least one hole portion formed in an outer edge portion thereof.Type: ApplicationFiled: August 11, 2008Publication date: March 26, 2009Applicant: SONY CORPORATIONInventors: Hiroshi Hayashi, Yoshiyuki Maekawa, Masami Miyake, Jiro Nozaki, Katsuyoshi Ushizawa, Masayasu Kakinuma
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Publication number: 20090059119Abstract: An optical element covering member capable of improving insufficiency in rigidity of the optical element while an increase in thickness of a liquid crystal display device or deterioration of display characteristics of the liquid crystal display device is reduced, a backlight provided with the optical element covering member, and a liquid crystal display device are provided. The optical element covering member includes at least one optical element, a support medium for supporting the at least one optical element, and a covering member for covering the at least one optical element and the support medium. The at least one optical element and the support medium constitute a stack.Type: ApplicationFiled: February 7, 2008Publication date: March 5, 2009Applicant: SONY CORPORATIONInventors: Eiji Ohta, Toru Abiko, Yasuyuki Kudo, Hirokazu Odagiri, Satoshi Sato, Andrew Chakchung Yu, Masayasu Kakinuma, Fumiko Sasaki