Patents by Inventor Katsuya Nagaya
Katsuya Nagaya 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).
-
Patent number: 11226442Abstract: An optical filter including a base member having a layer containing near-infrared absorbing fine particles and a dielectric multilayer film, the optical filter satisfying a requirement that, in a wavelength range of 400 nm to 650 nm, an average of transmittance of any of light incident from a direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees, and light obliquely incident at an angle of 60 degrees is 45% or higher and lower than 85%; and a requirement that, in a wavelength range of 800 nm to 1,200 nm, an average of optical density (OD value) of any of light incident from the direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees with respect to the perpendicular direction, and light obliquely incident at an angle of 60 degrees with respect to the perpendicular direction is 1.7 or higher.Type: GrantFiled: January 3, 2019Date of Patent: January 18, 2022Assignee: JSR CorporationInventors: Katsuya Nagaya, Toshihiro Otsuki, Takashi Tsubouchi
-
Patent number: 11163098Abstract: An object of the present invention is to provide an optical filter having excellent visible light-cut characteristics and near-infrared rays transmission properties at a specific wavelength that are compatible with one another even in the case where the incident angle is increased, according to reduction in height of equipment on which an optical sensor device is provided. The optical filter of the present invention includes a base material (i) including a resin layer containing a compound (Z) having an absorption maximum in the wavelength region of 700 to 930 nm, and a dielectric multilayer film formed on at least one surface of the base material (i), and has specific optical properties.Type: GrantFiled: June 2, 2017Date of Patent: November 2, 2021Assignee: JSR CORPORATIONInventors: Katsuya Nagaya, Daisuke Shigeoka, Hiroyuki Kishida, Masako Horiuchi
-
Patent number: 10996105Abstract: One object of the present disclosure is to show an optical filter capable of realizing both an excellent visible light transmittance and an excellent near-infrared ray-shielding performance even if an incident angle becomes large. The optical filter of the present disclosure has a base material (i) including a light absorbing layer, and transmits visible light, wherein the light absorbing layer has a maximum absorption in a wavelength range of 750 nm to 1,150 nm, and in a wavelength range of 850 nm to 1,050 nm, an average OD value measured in a direction perpendicular to the optical filter is 2.0 or more, and an average OD value measured at an angle of 60° with respect to the direction perpendicular to the optical filter is 2.0 or more.Type: GrantFiled: November 28, 2016Date of Patent: May 4, 2021Assignee: JSR CORPORATIONInventors: Katsuya Nagaya, Toshihiro Otsuki, Daisuke Shigeoka, Takashi Tsubouchi
-
Publication number: 20200278243Abstract: One object of the present disclosure is to show an optical filter capable of realizing both an excellent visible light transmittance and an excellent near-infrared ray-shielding performance even if an incident angle becomes large. The optical filter of the present disclosure has a base material (i) including a light absorbing layer, and transmits visible light, wherein the light absorbing layer has a maximum absorption in a wavelength range of 750 nm to 1,150 nm, and in a wavelength range of 850 nm to 1,050 nm, an average OD value measured in a direction perpendicular to the optical filter is 2.0 or more, and an average OD value measured at an angle of 60° with respect to the direction perpendicular to the optical filter is 2.0 or more.Type: ApplicationFiled: May 14, 2020Publication date: September 3, 2020Applicant: JSR CORPORATIONInventors: Katsuya NAGAYA, Toshihiro OTSUKI, Daisuke SHIGEOKA, TAKASHI TSUBOUCHI
-
Patent number: 10473836Abstract: An optical filter including a base member having a layer containing near-infrared absorbing fine particles and a dielectric multilayer film, the optical filter satisfying a requirement that, in a wavelength range of 400 nm to 650 nm, an average of transmittance of any of light incident from a direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees, and light obliquely incident at an angle of 60 degrees is 45% or higher and lower than 85%; and a requirement that, in a wavelength range of 800 nm to 1,200 nm, an average of optical density (OD value) of any of light incident from the direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees with respect to the perpendicular direction, and light obliquely incident at an angle of 60 degrees with respect to the perpendicular direction is 1.7 or higher.Type: GrantFiled: September 21, 2017Date of Patent: November 12, 2019Assignee: JSR CorporationInventors: Katsuya Nagaya, Toshihiro Otsuki, Takashi Tsubouchi
-
Publication number: 20190227207Abstract: An object of the present invention is to provide an optical filter having excellent visible light-cut characteristics and near-infrared rays transmission properties at a specific wavelength that are compatible with one another even in the case where the incident angle is increased, according to reduction in height of equipment on which an optical sensor device is provided. The optical filter of the present invention includes a base material (i) including a resin layer containing a compound (Z) having an absorption maximum in the wavelength region of 700 to 930 nm, and a dielectric multilayer film formed on at least one surface of the base material (i), and has specific optical properties.Type: ApplicationFiled: June 2, 2017Publication date: July 25, 2019Applicant: JSR CORPORATIONInventors: Katsuya NAGAYA, Daisuke SHIGEOKA, Hiroyuki KISHIDA, Masako HORIUCHI
-
Publication number: 20190137670Abstract: An optical filter including a base member having a layer containing near-infrared absorbing fine particles and a dielectric multilayer film, the optical filter satisfying a requirement that, in a wavelength range of 400 nm to 650 nm, an average of transmittance of any of light incident from a direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees, and light obliquely incident at an angle of 60 degrees is 45% or higher and lower than 85%; and a requirement that, in a wavelength range of 800 nm to 1,200 nm, an average of optical density (OD value) of any of light incident from the direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees with respect to the perpendicular direction, and light obliquely incident at an angle of 60 degrees with respect to the perpendicular direction is 1.7 or higher.Type: ApplicationFiled: January 3, 2019Publication date: May 9, 2019Applicant: JSR CorporationInventors: Katsuya NAGAYA, Toshihiro Otsuki, Takashi TSUBOUCHI
-
Publication number: 20190101672Abstract: The object of the present invention is to provide an optical filter which has not only a high visible light transmittance, but also high light cut characteristics in the near-infrared wavelength region, and which is excellent in heat resistance. The optical filter of the present invention comprises a base material comprising a compound (S) having an absorption maximum in the region of 600 to 1150 nm and an antioxidant (P) having at least one phosphorus atom in a molecule, and a dielectric multilayer film formed on at least one surface of the base material.Type: ApplicationFiled: March 15, 2017Publication date: April 4, 2019Applicant: JSR CORPORATIONInventors: Tatsuya KASAI, Katsuya NAGAYA, Toshihiro OTSUKI
-
Publication number: 20180364095Abstract: One object of the present disclosure is to show an optical filter capable of realizing both an excellent visible light transmittance and an excellent near-infrared ray-shielding performance even if an incident angle becomes large. The optical filter of the present disclosure has a base material (i) including a light absorbing layer, and transmits visible light, wherein the light absorbing layer has a maximum absorption in a wavelength range of 750 nm to 1,150 nm, and in a wavelength range of 850 nm to 1,050 nm, an average OD value measured in a direction perpendicular to the optical filter is 2.0 or more, and an average OD value measured at an angle of 60° with respect to the direction perpendicular to the optical filter is 2.0 or more.Type: ApplicationFiled: November 28, 2016Publication date: December 20, 2018Applicant: JSR CORPORATIONInventors: Katsuya NAGAYA, Toshihiro OTSUKI, Daisuke SHIGEOKA, Takashi TSUBOUCHI
-
Patent number: 9966402Abstract: The present invention intends to provide a solid-state imaging device having minimum production costs and high detection accuracy.Type: GrantFiled: November 26, 2015Date of Patent: May 8, 2018Assignee: JSR CorporationInventors: Katsuya Nagaya, Takashi Tsubouchi, Mibuko Shimada, Koji Hatakeyama
-
Publication number: 20180017721Abstract: An optical filter including a base member having a layer containing near-infrared absorbing fine particles and a dielectric multilayer film, the optical filter satisfying a requirement that, in a wavelength range of 400 nm to 650 nm, an average of transmittance of any of light incident from a direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees, and light obliquely incident at an angle of 60 degrees is 45% or higher and lower than 85%; and a requirement that, in a wavelength range of 800 nm to 1,200 nm, an average of optical density (OD value) of any of light incident from the direction perpendicular to the optical filter, light obliquely incident at an angle of 30 degrees with respect to the perpendicular direction, and light obliquely incident at an angle of 60 degrees with respect to the perpendicular direction is 1.7 or higher.Type: ApplicationFiled: September 21, 2017Publication date: January 18, 2018Applicant: JSR CorporationInventors: Katsuya NAGAYA, Toshihiro OTSUKI, Takashi TSUBOUCHI
-
Publication number: 20170345860Abstract: The present invention intends to provide a solid-state imaging device having minimum production costs and high detection accuracy.Type: ApplicationFiled: November 26, 2015Publication date: November 30, 2017Applicant: JSR CorporationInventors: Katsuya NAGAYA, Takashi TSUBOUCHI, Mibuko SHIMADA, Koji HATAKEYAMA
-
Patent number: 9791606Abstract: The problem of the present invention is to overcome drawbacks of conventional optical filters such as near-infrared cut filters and to provide an optical filter which generates little scatted light even during light absorption and has excellent transmittance property. The optical filter of the present invention is characterized by containing a squarylium-based compound and a compound which absorbs or quenches fluorescence of the squarylium-based compound. The optical filter of the present invention preferably contains a near-infrared absorbing dye containing a squarylium compound (A) and at least one compound (B) selected from the group consisting of a phthalocyanine-based compound (B-1) and a cyanine-based compound (B-2).Type: GrantFiled: July 18, 2016Date of Patent: October 17, 2017Assignee: JSR CORPORATIONInventors: Katsuya Nagaya, Hiroyuki Kishida, Takashi Tsubouchi, Mitsuru Nakajima, Ran Mitsuboshi, Yukie Tanaka
-
Patent number: 9791596Abstract: The problem of the present invention is to overcome drawbacks of conventional optical filters such as near-infrared cut filters and to provide an optical filter which generates little scatted light even during light absorption and has excellent transmittance property. The optical filter of the present invention is characterized by containing a squarylium-based compound and a compound which absorbs or quenches fluorescence of the squarylium-based compound. The optical filter of the present invention preferably contains a near-infrared absorbing dye containing a squarylium compound (A) and at least one compound (B) selected from the group consisting of a phthalocyanine-based compound (B-1) and a cyanine-based compound (B-2).Type: GrantFiled: July 18, 2016Date of Patent: October 17, 2017Assignee: JSR CORPORATIONInventors: Katsuya Nagaya, Hiroyuki Kishida, Takashi Tsubouchi, Mitsuru Nakajima, Ran Mitsuboshi, Yukie Tanaka
-
Patent number: 9746595Abstract: An object of the present invention is to provide a solid-state image capture element optical filter having excellent visible light transmission characteristics with reduced incidence angle dependence even in the near-ultraviolet wavelength region, in which the defects of conventional optical filters such as near-infrared cut filters are improved; and a device comprising the optical filter. The solid-state image capture element optical filter of the present invention comprises: a transparent resin substrate comprising a compound (X) having an absorption maximum in a wavelength range of 300 to 420 nm and a compound (Y) having an absorption maximum in a wavelength range of 600 to 800 nm; and a near infrared-reflecting film on at least one side of the substrate.Type: GrantFiled: June 20, 2013Date of Patent: August 29, 2017Assignee: JSR CORPORATIONInventors: Katsuya Nagaya, Yukie Tanaka, Hiroyuki Kishida, Ran Mitsuboshi
-
Patent number: 9606275Abstract: An optical filter comprises a base material (i) which comprises a transparent resin layer comprising a compound (Z) having an absorption maximum in the wavelength region of from 600 to 850 nm; and a dielectric multilayer film provided on at least one surface of the base material (i). The optical filter selectively transmits visible rays and a part of near-infrared rays, and the optical filter satisfies specific requirements.Type: GrantFiled: February 22, 2016Date of Patent: March 28, 2017Assignee: JSR CORPORATIONInventors: Katsuya Nagaya, Yukie Tanaka, Toshihiro Otsuki, Takashi Tsubouchi, Daisuke Shigeoka
-
Patent number: 9575213Abstract: The problem of the present invention is to overcome drawbacks of conventional optical filters such as near-infrared cut filters and to provide an optical filter which generates little scatted light even during light absorption and has excellent transmittance property. The optical filter of the present invention is characterized by containing a squarylium-based compound and a compound which absorbs or quenches fluorescence of the squarylium-based compound. The optical filter of the present invention preferably contains a near-infrared absorbing dye containing a squarylium compound (A) and at least one compound (B) selected from the group consisting of a phthalocyanine-based compound (B-1) and a cyanine-based compound (B-2).Type: GrantFiled: October 12, 2012Date of Patent: February 21, 2017Assignee: JSR CORPORATIONInventors: Katsuya Nagaya, Hiroyuki Kishida, Takashi Tsubouchi, Mitsuru Nakajima, Ran Mitsuboshi, Yukie Tanaka
-
Publication number: 20170003417Abstract: The problem of the present invention is to overcome drawbacks of conventional optical filters such as near-infrared cut filters and to provide an optical filter which generates little scatted light even during light absorption and has excellent transmittance property. The optical filter of the present invention is characterized by containing a squarylium-based compound and a compound which absorbs or quenches fluorescence of the squarylium-based compound. The optical filter of the present invention preferably contains a near-infrared absorbing dye containing a squarylium compound (A) and at least one compound (B) selected from the group consisting of a phthalocyanine-based compound (B-1) and a cyanine-based compound (B-2).Type: ApplicationFiled: July 18, 2016Publication date: January 5, 2017Applicant: JSR CORPORATIONInventors: Katsuya NAGAYA, HIROYUKI KISHIDA, TAKASHI TSUBOUCHI, MITSURU NAKAJIMA, RAN MITSUBOSHI, YUKIE TANAKA
-
Publication number: 20170003425Abstract: The problem of the present invention is to overcome drawbacks of conventional optical filters such as near-infrared cut filters and to provide an optical filter which generates little scatted light even during light absorption and has excellent transmittance property. The optical filter of the present invention is characterized by containing a squarylium-based compound and a compound which absorbs or quenches fluorescence of the squarylium-based compound. The optical filter of the present invention preferably contains a near-infrared absorbing dye containing a squarylium compound (A) and at least one compound (B) selected from the group consisting of a phthalocyanine-based compound (B-1) and a cyanine-based compound (B-2).Type: ApplicationFiled: July 18, 2016Publication date: January 5, 2017Applicant: JSR CORPORATIONInventors: Katsuya NAGAYA, Hiroyuki KISHIDA, Takashi TSUBOUCHI, Mitsuru NAKAJIMA, Ran MITSUBOSHI, Yukie TANAKA
-
Publication number: 20160170105Abstract: An optical filter comprises a base material (i) which comprises a transparent resin layer comprising a compound (Z) having an absorption maximum in the wavelength region of from 600 to 850 nm; and a dielectric multilayer film provided on at least one surface of the base material (i). The optical filter selectively transmits visible rays and a part of near-infrared rays, and the optical filter satisfies specific requirements.Type: ApplicationFiled: February 22, 2016Publication date: June 16, 2016Applicant: JSR CORPORATIONInventors: Katsuya NAGAYA, Yukie TANAKA, Toshihiro OTSUKI, Takashi TSUBOUCHI, Daisuke SHIGEOKA