Patents by Inventor Kazuya Hayashibe
Kazuya Hayashibe 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).
-
Publication number: 20240045109Abstract: There is provided a novel and improved optical body, master, and method for manufacturing an optical body in which the anti-reflection characteristics are improved even further, and fabrication is facilitated, the optical body having a concave-convex structure in which structures having convex shapes or concave shapes are arrayed on an average cycle less than or equal to visible light wavelengths. The structures have an asymmetric shape with respect to any one plane direction perpendicular to a thickness direction of the optical body. Accordingly, the anti-reflection characteristics are improved even further, and fabrication is facilitated.Type: ApplicationFiled: September 29, 2023Publication date: February 8, 2024Applicant: DEXERIALS CORPORATIONInventors: Kazuya HAYASHIBE, Shunichi KAJIYA
-
Patent number: 11789182Abstract: There is provided an optical body and a display device that enable wavelength dependence of a reflectance to be reduced and reflection of incident light to be further suppressed, the optical body including: a concave-convex structure formed on a surface of a base material. An average period of concavities and convexities of the concave-convex structure is equal to or shorter than a wavelength belonging to a visible light band. A standard deviation of differences between respective positions of bottom faces of the concavities of the concave-convex structure in a normal direction of a flat surface of the base material and a median of the positions of the bottom faces is greater than or equal to 25 nm.Type: GrantFiled: March 10, 2022Date of Patent: October 17, 2023Assignee: DEXERIALS CORPORATIONInventors: Shunichi Kajiya, Asahiko Nogami, Kyoko Sakurai, Kazuya Hayashibe
-
Patent number: 11693157Abstract: Provided is a fine concave-convex laminate that is reduced in thickness, has excellent antireflection performance, and can suppress scattering and absorption of short-wavelength light. A fine concave-convex laminate comprises a substrate, a first transparent organic layer, and a second transparent organic layer laminated in the stated order, wherein the first transparent organic layer has a fine concave-convex structure at a surface facing the second transparent organic layer, the second transparent organic layer has fine concave-convex structures at both surfaces, and a thickness of a composite layer composed of the first transparent organic layer and the second transparent organic layer is 15 ?m or less.Type: GrantFiled: June 29, 2018Date of Patent: July 4, 2023Assignee: Dexerials CorporationInventors: Shunichi Kajiya, Kazuya Hayashibe, Naoki Hanashima, Hiroshi Sugata
-
Publication number: 20220196884Abstract: There is provided an optical body and a display device that enable wavelength dependence of a reflectance to be reduced and reflection of incident light to be further suppressed, the optical body including: a concave-convex structure formed on a surface of a base material. An average period of concavities and convexities of the concave-convex structure is equal to or shorter than a wavelength belonging to a visible light band. A standard deviation of differences between respective positions of bottom faces of the concavities of the concave-convex structure in a normal direction of a flat surface of the base material and a median of the positions of the bottom faces is greater than or equal to 25 nm.Type: ApplicationFiled: March 10, 2022Publication date: June 23, 2022Applicant: DEXERIALS CORPORATIONInventors: Shunichi KAJIYA, Asahiko NOGAMI, Kyoko SAKURAI, Kazuya HAYASHIBE
-
Patent number: 11307328Abstract: There is provided an optical body and a display device that enable wavelength dependence of a reflectance to be reduced and reflection of incident light to be further suppressed, the optical body including: a concave-convex structure formed on a surface of a base material. An average period of concavities and convexities of the concave-convex structure is equal to or shorter than a wavelength belonging to a visible light band. A standard deviation of differences between respective positions of bottom faces of the concavities of the concave-convex structure in a normal direction of a flat surface of the base material and a median of the positions of the bottom faces is greater than or equal to 25 nm.Type: GrantFiled: October 4, 2016Date of Patent: April 19, 2022Assignee: DEXERIALS CORPORATIONInventors: Shunichi Kajiya, Asahiko Nogami, Kyoko Sakurai, Kazuya Hayashibe
-
Publication number: 20210191024Abstract: There is provided a light emitting device that can be used as a light guide plate and has an excellent antireflection function to extraneous light, and an optical body includes: a base material; a macro concave-convex structure that is formed on one surface of the base material and emits internally propagating light that is injected in an inside of the base material from a side surface of the base material, from another surface of the base material; and a micro concave-convex structure formed periodically to follow each of both surfaces of the base material and a surface of the macro concave-convex structure, and having an average period of concavity and convexity of less than or equal to a wavelength of visible light. The surface of the macro concave-convex structure has an inclined surface, and an arrangement of the micro concave-convex structure is a zigzag arrangement.Type: ApplicationFiled: March 23, 2017Publication date: June 24, 2021Applicant: DEXERIALS CORPORATIONInventors: Shunichi KAJIYA, Kyoko SAKURAI, Katsuhiro DOI, Kazuya HAYASHIBE, Naoki HANASHIMA, Naoto KANEKO
-
Publication number: 20210053273Abstract: Provided are a master in which a more complicated microstructure is formed, a transferred object obtained by using the master, and a method of producing the master. A plurality of concave-convex groups each including a plurality of concavities or convexities are provided on a base material apart from each other. Average widths of areas occupied by the concavities or convexities at a surface of the base material are smaller than or equal to a wavelength belonging to a visible light band. Formed lengths of the concavities or convexities from the surface of the base material in each of the concave-convex groups each belong to any of at least two or more groups having different central values.Type: ApplicationFiled: December 18, 2018Publication date: February 25, 2021Applicant: DEXERIALS CORPORATIONInventors: Masanao KIKUCHI, Hiroshi TAZAWA, Asahiko NOGAMI, Kazuya HAYASHIBE
-
Patent number: 10883676Abstract: There is provided a new and improved optical body, a new and improved method for manufacturing an optical body, and a new and improved light emitting device that can emit light derived from a light source in more various manners. The optical body includes: a base material; and a first concave-convex structure that is formed on at least one surface of the base material and that extracts internally propagating light that is injected into an inside of the base material from a side surface of the base material. An average period of concavity and convexity of the first concave-convex structure is more than or equal to a minimum value of a visible light wavelength band and less than or equal to 10 ?m.Type: GrantFiled: September 27, 2017Date of Patent: January 5, 2021Assignee: DEXERIALS CORPORATIONInventors: Masanao Kikuchi, Shunichi Kajiya, Asahiko Nogami, Kyoko Sakurai, Kazuya Hayashibe
-
Patent number: 10850273Abstract: There is provided a master for micro flow path creation, a transfer copy, and a method for producing a master for micro flow path creation by which transfer copies having an area with high hydrophilicity can be easily mass-produced, the master for micro flow path creation including: a base material; a main concave-convex portion provided on a surface of the base material and extending in a planar direction of the base material; and a fine concave-convex portion provided on a surface of the main concave-convex portion and having a narrower pitch than the main concave-convex portion. The fine concave-convex portion has an arithmetic average roughness of 10 nm to 150 nm and has a specific surface area ratio of 1.1 to 3.0.Type: GrantFiled: October 26, 2015Date of Patent: December 1, 2020Assignee: DEXERIALS CORPORATIONInventors: Shinya Suzuki, Kazuya Hayashibe, Akihiro Shibata
-
Publication number: 20200338551Abstract: There is provided a master for micro flow path creation, a transfer copy, and a method for producing a master for micro flow path creation by which transfer copies having an area with high hydrophilicity can be easily mass-produced, the master for micro flow path creation including: a base material; a main concave-convex portion provided on a surface of the base material and extending in a planar direction of the base material; and a fine concave-convex portion provided on a surface of the main concave-convex portion and having a narrower pitch than the main concave-convex portion. The fine concave-convex portion has an arithmetic average roughness of 10 nm to 150 nm and has a specific surface area ratio of 1.1 to 3.0.Type: ApplicationFiled: July 13, 2020Publication date: October 29, 2020Applicant: DEXERIALS CORPORATIONInventors: Shinya SUZUKI, Kazuya HAYASHIBE, Akihiro SHIBATA
-
Publication number: 20200319377Abstract: Provided are a concave-convex structure including more complicated concave-convex structure, an optical member, and an electronic apparatus. The concave-convex structure includes a plurality of group portions each including a plurality of concavities or convexities provided in a surface of a base material, in which average widths of areas occupied by the concavities or convexities at the surface of the base material are smaller than or equal to a wavelength belonging to a visible light band.Type: ApplicationFiled: December 18, 2018Publication date: October 8, 2020Applicant: DEXERIALS CORPORATIONInventors: Masanao KIKUCHI, Hiroshi TAZAWA, Kazuya HAYASHIBE
-
Publication number: 20200217992Abstract: Provided is a fine concave-convex laminate that is reduced in thickness, has excellent antireflection performance, and can suppress scattering and absorption of short-wavelength light. A fine concave-convex laminate comprises a substrate, a first transparent organic layer, and a second transparent organic layer laminated in the stated order, wherein the first transparent organic layer has a fine concave-convex structure at a surface facing the second transparent organic layer, the second transparent organic layer has fine concave-convex structures at both surfaces, and a thickness of a composite layer composed of the first transparent organic layer and the second transparent organic layer is 15 ?m or less.Type: ApplicationFiled: June 29, 2018Publication date: July 9, 2020Applicant: Dexerials CorporationInventors: Shunichi KAJIYA, Kazuya HAYASHIBE, Naoki HANASHIMA, Hiroshi SUGATA
-
Publication number: 20190276791Abstract: A cell culture sheet including: at least one cell culture region contributing to cell culture; and at least one antimicrobial region exhibiting antimicrobial action, which is adjacent to the cell culture region, recessed with respect to the cell culture region, and has a plurality of fine projections that do not exceed a surface of the cell culture region in height.Type: ApplicationFiled: March 5, 2019Publication date: September 12, 2019Inventors: Hirokazu Odagiri, Kazuya Hayashibe, Katsuhiro Doi
-
Publication number: 20190211978Abstract: There is provided a new and improved optical body, a new and improved method for manufacturing an optical body, and a new and improved light emitting device that can emit light derived from a light source in more various manners. The optical body includes: a base material; and a first concave-convex structure that is formed on at least one surface of the base material and that extracts internally propagating light that is injected into an inside of the base material from a side surface of the base material. An average period of concavity and convexity of the first concave-convex structure is more than or equal to a minimum value of a visible light wavelength band and less than or equal to 10 ?m.Type: ApplicationFiled: September 27, 2017Publication date: July 11, 2019Applicant: DEXERIALS CORPORATIONInventors: Masanao KIKUCHI, Shunichi KAJIYA, Asahiko NOGAMI, Kyoko SAKURAI, Kazuya HAYASHIBE
-
Publication number: 20190193305Abstract: A replica master mold 10 comprises: a base material layer 11; and a surface shape body 12 formed on the base material layer 11 and having a fine irregular pattern, wherein a softening temperature of the surface shape body 12 is higher than a softening temperature of the base material layer 11.Type: ApplicationFiled: April 27, 2017Publication date: June 27, 2019Applicant: Dexerials CorporationInventors: Akihiro SHIBATA, Shunichi KAJIYA, Kazuya HAYASHIBE, Masanao KIKUCHI
-
Patent number: 10288940Abstract: An optical element includes, on a surface thereof, a plurality of structural bodies which extend in a first direction, where the plurality of structural bodies are aligned at a pitch of a sub-wavelength in a second direction which intersects with the first direction, and the widths of the structural bodies are changed periodically.Type: GrantFiled: March 5, 2014Date of Patent: May 14, 2019Assignee: Sony CorporationInventors: Kazuya Hayashibe, Shunichi Kajiya
-
Publication number: 20180313980Abstract: There is provided a novel and improved optical body, master, and method for manufacturing an optical body in which the anti-reflection characteristics are improved even further, and fabrication is facilitated, the optical body having a concave-convex structure in which structures having convex shapes or concave shapes are arrayed on an average cycle less than or equal to visible light wavelengths. The structures have an asymmetric shape with respect to any one plane direction perpendicular to a thickness direction of the optical body. Accordingly, the anti-reflection characteristics are improved even further, and fabrication is facilitated.Type: ApplicationFiled: November 15, 2016Publication date: November 1, 2018Applicant: DEXERIALS CORPORATIONInventors: Kazuya HAYASHIBE, Shunichi KAJIYA
-
Publication number: 20180305650Abstract: A culture bag includes a culture portion which has a culture space configured to contain and culture a culture fluid. The culture space is an endless circumferential circulation space in which the culture fluid can circumferentially circulate. The culture fluid can continue to circumferentially circulate in one direction in the endless culture space. This suppresses complexification of flow of the culture fluid. As a result, bubbles can be suppressed from generating without decreasing culture efficiency.Type: ApplicationFiled: November 25, 2016Publication date: October 25, 2018Inventors: Akira Higuchi, Hiroyuki Naito, Keiji Honjo, Toru Abiko, Kazuya Hayashibe, Yasuyuki Kudo, Hirokazu Odagiri
-
Publication number: 20180292578Abstract: The present disclosure relates to a solid-state imaging element and an electronic device capable of effectively inhibiting occurrence of reflection and diffraction of light on a light incident surface. A fine uneven structure including a recess and a protrusion is formed with a predetermined pitch on a light incident surface of a semiconductor layer in which photoelectric conversion sections are formed for a plurality of pixels; and an antireflective film is laminated on the fine uneven structure, the anti reflective film being formed with a film thickness different for each color of light received by each of the pixels. The pitch of one of the recess and protrusion formed in the fine uneven structure is generally identical in all the pixels, and is 100 nm or less. The present technology is applicable, for example, to a solid-state imaging element.Type: ApplicationFiled: June 15, 2018Publication date: October 11, 2018Applicant: SONY SEMICONDUCTOR SOLUTIONS CORPORATIONInventors: Masamitsu KAGEYAMA, Kazuya HAYASHIBE, Hiroshi TANAKA
-
Publication number: 20180224578Abstract: There is provided an optical body and a display device that enable wavelength dependence of a reflectance to be reduced and reflection of incident light to be further suppressed, the optical body including: a concave-convex structure formed on a surface of a base material. An average period of concavities and convexities of the concave-convex structure is equal to or shorter than a wavelength belonging to a visible light band. A standard deviation of differences between respective positions of bottom faces of the concavities of the concave-convex structure in a normal direction of a flat surface of the base material and a median of the positions of the bottom faces is greater than or equal to 25 nm.Type: ApplicationFiled: October 4, 2016Publication date: August 9, 2018Applicant: DEXERIALS CORPORATIONInventors: Shunichi KAJIYA, Asahiko NOGAMI, Kyoko SAKURAI, Kazuya HAYASHIBE