Patents by Inventor Toshimasa Kanai
Toshimasa Kanai 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: 10393389Abstract: Provided is a top plate for a cooking device including a glass sheet (2) and a light-shielding film (3) formed on a lower surface (2c) of the glass sheet (2) through sputtering. The light-shielding film (3) contains an oxide, a nitride, or an oxynitride of a transition metal of Group 6 to Group 11 on the periodic table. In this manner, a color close to grey can be achieved as a color of the light-shielding film (3) while insulating properties of the light-shielding film (3) are secured.Type: GrantFiled: September 1, 2015Date of Patent: August 27, 2019Assignee: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Yusuke Yamazaki, Toshimasa Kanai
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Patent number: 9841536Abstract: Provided is an anti-glare/antireflection member having excellent visibility. The anti-glare/antireflection member (1) includes a base material (10) and an antireflection layer (20). The base material (10) is provided in a surface layer thereof with an anti-glare layer (10a) having a concavo-convex configuration. The antireflection layer (20) is provided on the anti-glare layer (10a).Type: GrantFiled: August 28, 2013Date of Patent: December 12, 2017Assignee: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Keiichi Sahara, Takeshi Sakurai, Toshimasa Kanai, Koji Ikegami
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Publication number: 20170227234Abstract: Provided is a top plate for a cooking device including a glass sheet (2) and a light-shielding film (3) formed on a lower surface (2c) of the glass sheet (2) through sputtering. The light-shielding film (3) contains an oxide, a nitride, or an oxynitride of a transition metal of Group 6 to Group 11 on the periodic table. In this manner, a color close to grey can be achieved as a color of the light-shielding film (3) while insulating properties of the light-shielding film (3) are secured.Type: ApplicationFiled: September 1, 2015Publication date: August 10, 2017Inventors: Yusuke YAMAZAKI, Toshimasa KANAI
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Patent number: 9703012Abstract: Provided is an anti-glare/antireflection member having excellent visibility. The anti-glare/antireflection member (1) includes a base material (10) and an antireflection layer (20). The base material (10) is provided in a surface layer thereof with an anti-glare layer (10a) having a concavo-convex configuration. The antireflection layer (20) is provided on the anti-glare layer (10a).Type: GrantFiled: October 3, 2016Date of Patent: July 11, 2017Assignee: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Keiichi Sahara, Takeshi Sakurai, Toshimasa Kanai, Koji Ikegami
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Publication number: 20170023705Abstract: Provided is an anti-glare/antireflection member having excellent visibility. The anti-glare/antireflection member (1) includes a base material (10) and an antireflection layer (20). The base material (10) is provided in a surface layer thereof with an anti-glare layer (10a) having a concavo-convex configuration. The antireflection layer (20) is provided on the anti-glare layer (10a).Type: ApplicationFiled: October 3, 2016Publication date: January 26, 2017Inventors: Keiichi SAHARA, Takeshi SAKURAI, Toshimasa KANAI, Koji IKEGAMI
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Publication number: 20150226882Abstract: Provided is an anti-glare/antireflection member having excellent visibility. The anti-glare/antireflection member (1) includes a base material (10) and an antireflection layer (20). The base material (10) is provided in a surface layer thereof with an anti-glare layer (10a) having a concavo-convex configuration. The antireflection layer (20) is provided on the anti-glare layer (10a).Type: ApplicationFiled: August 28, 2013Publication date: August 13, 2015Applicant: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Keiichi Sahara, Takeshi Sakurai, Toshimasa Kanai, Koji Ikegami
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Patent number: 8834994Abstract: To provide a top plate for a cooking device which has low transmittance in a visible wavelength range and high transmittance in an infrared wavelength range of 3500 nm to 4000 nm. A top plate 1 for a cooking device includes: a glass substrate 10; and a layered coating 2 made of a Si film 11 and a silicon nitride film 12 which are formed on the glass substrate 10. Where t1 represents the thickness of the Si film 11 and t2 represents the thickness of the silicon nitride film 12, (t1, t2) in FIG. 1 showing the relation between the thickness t1 of the Si film and the thickness t2 of the silicon nitride film is within the bounds X defined by connecting Points A1 to A36 shown in TABLE 1 in this order with straight lines.Type: GrantFiled: June 13, 2009Date of Patent: September 16, 2014Assignee: Nippon Electric Glass Co., Ltd.Inventors: Koji Ikegami, Toshimasa Kanai
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Publication number: 20110117346Abstract: To provide a top plate for a cooking device which has low transmittance in a visible wavelength range and high transmittance in an infrared wavelength range of 3500 nm to 4000 nm. A top plate 1 for a cooking device includes: a glass substrate 10; and a layered coating 2 made of a Si film 11 and a silicon nitride film 12 which are formed on the glass substrate 10. Where t1 represents the thickness of the Si film 11 and t2 represents the thickness of the silicon nitride film 12, (t1, t2) in FIG. 1 showing the relation between the thickness t1 of the Si film and the thickness t2 of the silicon nitride film is within the bounds X defined by connecting Points A1 to A36 shown in TABLE 1 in this order with straight lines.Type: ApplicationFiled: June 13, 2009Publication date: May 19, 2011Applicant: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Koji Ikegami, Toshimasa Kanai
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Publication number: 20110096391Abstract: To provide a broadband reflecting mirror having high reflectance within a wavelength band of 400 nm to 2500 nm and having excellent thermal resistance and damage resistance.Type: ApplicationFiled: June 30, 2009Publication date: April 28, 2011Applicant: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Toshimasa Kanai, Takeshi Sakurai
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Publication number: 20100127611Abstract: To provide a transparent electrode having high infrared light transmittance that is used in an optical communication device using infrared light, particularly infrared light near 1.55 ?m, the transparent electrode of the present invention includes a transparent conductive film, and the extinction coefficient of the transparent conductive film at a wavelength of 1.55 ?m is equal to or less than 0.5.Type: ApplicationFiled: May 20, 2008Publication date: May 27, 2010Inventors: Masaaki Imura, Mamoru Kubosaka, Toshimasa Kanai
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Patent number: 7718929Abstract: A substrate is made of a crystallized glass having translucency and an average linear thermal expansion coefficient of ?5×10?7/° C. at 30 to 500° C. The substrate has a first surface (working surface) of a smooth surface having a surface roughness Rmax of less than 0.5 ?m, and a second surface (non-working surface) of a rough surface having a surface roughness Rmax of 4 ?m. A light shielding layer consisting of a light shielding film and an antioxidant film is formed on the second surface of the substrate through sputtering.Type: GrantFiled: November 3, 2006Date of Patent: May 18, 2010Assignee: Nippon Electric Glass Co., Ltd.Inventors: Narutoshi Shimatani, Toshimasa Kanai, Ukon Ishihara, Takeshi Nagata, Tsutomu Imamura
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Publication number: 20100020402Abstract: An object of the present invention is to provide a multilayer film that can make large the amount of outgoing light from a liquid crystal device such as liquid crystal display element and liquid crystal aberration compensating element and at the same time, can realize a high contract in a liquid crystal display element. The multilayer film of the present invention is a multilayer film which is formed on an inner side of a transparent substrate and contains a transparent electrically-conductive film and an orientation film, in which an antireflection film is provided at least either between the transparent substrate and the transparent electrically-conductive film or between the transparent electrically-conductive film and the orientation film.Type: ApplicationFiled: August 30, 2007Publication date: January 28, 2010Applicant: NIPPON ELECTRIC GLASS CO., LTDInventors: Masaaki Imura, Toshimasa Kanai, Koji Ikegami
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Patent number: 7208703Abstract: A substrate is made of a crystallized glass having translucency and an average linear thermal expansion coefficient of ?5×10?7/° C. at 30 to 500° C. The substrate has a first surface (working surface) of a smooth surface having a surface roughness Rmax of less than 0.5 ?m, and a second surface (non-working surface) of a rough surface having a surface roughness Rmax of 4 ?m. A light shielding layer consisting of a light shielding film and an antioxidant film is formed on the second surface of the substrate through sputtering.Type: GrantFiled: May 14, 2003Date of Patent: April 24, 2007Assignee: Nippon Electric Glass Co., Ltd.Inventors: Narutoshi Shimatani, Toshimasa Kanai, Ukon Ishihara, Takeshi Nagata, Tsutomu Imamura
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Publication number: 20070056961Abstract: A substrate is made of a crystallized glass having translucency and an average linear thermal expansion coefficient of ?5×10?7/° C. at 30 to 500° C. The substrate has a first surface (working surface) of a smooth surface having a surface roughness Rmax of less than 0.5 ?m, and a second surface (non-working surface) of a rough surface having a surface roughness Rmax of 4 ?m. A light shielding layer consisting of a light shielding film and an antioxidant film is formed on the second surface of the substrate through sputtering.Type: ApplicationFiled: November 3, 2006Publication date: March 15, 2007Inventors: NARUTOSHI SHIMATANI, Toshimasa Kanai, Ukon Ishihara, Takeshi Nagata, Tsutomu Imamura
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Patent number: 7041376Abstract: In a window member (10) to be used as a window of a combustion apparatus, adjusting means is bonded to a substrate (11) made of glass. The adjusting means adjusts an average transmittance of the window member so that the average transmittance at a thickness of 4 mm for an electromagnetic wave having a wavelength of 0.4–0.8 ?m falls within a range between 10 and 50%. The adjusting means may comprise a film member (12) bonded to a principal surface (11a) of the substrate.Type: GrantFiled: April 30, 2003Date of Patent: May 9, 2006Assignee: Nippon Electric Glass Co., Ltd.Inventors: Narutoshi Shimatani, Toshimasa Kanai
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Publication number: 20050172829Abstract: A substrate is made of a crystallized glass having translucency and an average linear thermal expansion coefficient of ?5×10?7/° C. at 30 to 500° C. The substrate has a first surface (working surface) of a smooth surface having a surface roughness Rmax of less than 0.5 ?m, and a second surface (non-working surface) of a rough surface having a surface roughness Rmax of 4 ?m. A light shielding layer consisting of a light shielding film and an antioxidant film is formed on the second surface of the substrate through sputtering.Type: ApplicationFiled: May 14, 2003Publication date: August 11, 2005Inventors: Narutoshi Shimatani, Toshimasa Kanai, Ukon Ishihara, Takeshi Nagata, Tsutomu Imamura
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Publication number: 20050064205Abstract: A glass article which comprises a transparent heat-resistant glass sheet and a light-shielding layer on the surface thereof, wherein an average visible light transmittance at a wavelength of 380-780 nm of the glass article is 0.03-15%; and an average infrared reflectance at a wavelength of 1000-2500 nm of the glass article is at least 50%.Type: ApplicationFiled: September 23, 2004Publication date: March 24, 2005Applicant: Nippon Electric Glass Co., Ltd.Inventors: Masahiro Sawada, Toshimasa Kanai, Tsutomu Imamura, Ukon Ishihara
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Patent number: 6814453Abstract: In a reflector (10) including a mirror base member (11) having a concave surface, a reflecting film (12) is formed on the concave surface. For preventing the fragments of the broken lamp from flying forward, a protective glass plate (13) is attached to the mirror base member. At least one of the mirror base member and the protective glass plate is made of a glass member whose mechanical strength is enhanced. The mechanical strength of the glass member may be enhanced by ion exchange.Type: GrantFiled: August 27, 2002Date of Patent: November 9, 2004Assignee: Nippon Electric Glass Co., Ltd.Inventors: Yoshiharu Miwa, Toshimasa Kanai
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Publication number: 20030203215Abstract: In a window member (10) to be used as a window of a combustion apparatus, adjusting means is bonded to a substrate (11) made of glass. The adjusting means adjusts an average transmittance of the window member so that the average transmittance at a thickness of 4 mm for an electromagnetic wave having a wavelength of 0.4-0.8 &mgr;m falls within a range between 10 and 50%. The adjusting means may comprise a film member (12) bonded to a principal surface (11a) of the substrate.Type: ApplicationFiled: April 30, 2003Publication date: October 30, 2003Applicant: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Narutoshi Shimatani, Toshimasa Kanai
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Publication number: 20030048553Abstract: In a reflector (10) including a mirror base member (11) having a concave surface, a reflecting film (12) is formed on the concave surface. For preventing the fragments of the broken lamp from flying forward, a protective glass plate (13) is attached to the mirror base member. At least one of the mirror base member and the protective glass plate is made of a glass member whose mechanical strength is enhanced. The mechanical strength of the glass member may be enhanced by ion exchange.Type: ApplicationFiled: August 27, 2002Publication date: March 13, 2003Applicant: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Yoshiharu Miwa, Toshimasa Kanai