Patents Assigned to DAICEL CORPORATION
  • Publication number: 20240147741
    Abstract: The present disclosure provides an inorganic/organic hybrid complementary semiconductor device that can be manufactured at a lower cost, has excellent long-term stability, has a well-balanced operation between the p-type transistor and the n-type transistor, and operates at a high speed.
    Type: Application
    Filed: February 24, 2022
    Publication date: May 2, 2024
    Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATION
    Inventors: Junichi TAKEYA, Shunichiro WATANABE, Shouhei KUMAGAI, Xiaozhu WEI, Daiji IKEDA, Hiroki SATO, Yasuyuki AKAI
  • Publication number: 20240142670
    Abstract: An anti-glare film is prepared which have a ratio R/V of a scattered specular reflection intensity R to a total V of scattered reflection intensity being from 0.01 to 0.12 and an absolute value of a chromaticity b* of transmitted light being 3 or less. The anti-glare film includes a transparent substrate layer, and an anti-glare layer formed on at least one surface of the transparent substrate layer. The anti-glare layer may be a cured product of a curable composition including one or more types of a polymer component and one or more types of a curable resin precursor component, and in particular, at least two components selected from a polymer component and a curable resin precursor component can be phase separated through liquid phase spinodal decomposition. This anti-glare film can achieve non-coloring properties and anti-glare properties in a compatible manner.
    Type: Application
    Filed: January 5, 2024
    Publication date: May 2, 2024
    Applicant: DAICEL CORPORATION
    Inventors: Yoshitaka SUGAWARA, Masaki HAYASHI
  • Publication number: 20240132006
    Abstract: A first shock absorption member between a frame forming a framework of a vehicle and an outer structure positioned outside of the frame in the vehicle, the first shock absorption member being installed in a manner that the outer structure is deformed preferentially over the frame in a shock-receiving situation in which the outer structure is displaced or deformed toward the frame side due to a shock load against the outer structure, a second shock absorption member between the frame and the outer structure, and a switching unit to switch an installation state of the second shock absorption member between a first installation state in which the second shock absorption member avoids the shock load in the shock-receiving situation and a second installation state in which the second shock absorption member receives the shock load and deforms together with the first shock absorption member in the shock-receiving situation are provided.
    Type: Application
    Filed: February 18, 2022
    Publication date: April 25, 2024
    Applicant: Daicel Corporation
    Inventor: Masayuki YAMAZAKI
  • Publication number: 20240132696
    Abstract: Provided is a cellulose acylate composition containing cellulose acylate particles and metal compound-containing particles. The total degree of substitution of the cellulose acylate is from 0.7 to 2.9. The metal compound is one or more types of compounds selected from an alkali metal compound and an alkaline earth metal compound. The composition is produced by adding one or more types of metal compounds selected from an alkali metal compound and an alkaline earth metal compound during and/or after removing a water-soluble polymer from a dispersion containing, as a dispersoid, cellulose acylate impregnated with a plasticizer to form cellulose acylate particles.
    Type: Application
    Filed: February 15, 2022
    Publication date: April 25, 2024
    Applicant: DAICEL CORPORATION
    Inventors: Masaya OMURA, Keiko KOBAYASHI, Junko MAKINO
  • Publication number: 20240131278
    Abstract: An aid of a jet injector includes a first pinching piece and a second pinching piece that face each other, and pinches a skin in a state of holding the skin with pinching surfaces facing each other and thus forms a fold shape part where the skin is raised in a fold shape; and a reception portion that is provided in the first pinching piece, exposes a fold top part vicinity region, which is a region in a vicinity of a fold top part, in the fold shape part, and can receive the nozzle portion of the jet injector.
    Type: Application
    Filed: February 28, 2022
    Publication date: April 25, 2024
    Applicant: DAICEL CORPORATION
    Inventors: Kunihiko YAMASHITA, Katsuya MIKI
  • Patent number: 11964253
    Abstract: Provided is a production method for core-shell porous silica particles, the production method including: a preparation step of preparing an aqueous solution comprising non-porous silica particles, a cationic surfactant, a basic catalyst, an electrolyte, and an alcohol; a shell precursor formation step at adding a silica source to the aqueous solution to form a shell precursor on a surface of the non-porous silica particles; and a shell formation step of removing the cationic surfactant from the shell precursor to form a porous shell.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: April 23, 2024
    Assignees: TOHOKU UNIVERSITY, DAICEL CORPORATION
    Inventors: Daisuke Nagao, Haruyuki Ishii, Shunho Ishikawa
  • Publication number: 20240123427
    Abstract: A method for producing core-shell porous silica particles including: a step of forming a shell precursor by continuously adding a silica source-containing liquid into an aqueous suspension containing non-porous silica particles, a cationic surfactant, a basic catalyst, and an alcohol under conditions that a pH of the reaction system is from 7 to 13 and a pH value change of the reaction system is 1.5/10 min to form a shell precursor on a surface of non-porous silica particles; and a step of forming a porous shell by removing the cationic surfactant from the shell precursor, to form a porous shell; wherein in the step of forming the shell precursor, when a specific surface area of the non-porous silica particles is Xm2/g, a used amount of the non-porous silica particles is Yg, and a used amount of the silica source is Zcm3, Z/(XY) being from 0.01 to 10.
    Type: Application
    Filed: February 10, 2022
    Publication date: April 18, 2024
    Applicants: TOHOKU UNIVERSITY, DAICEL CORPORATION
    Inventors: Daisuke NAGAO, Keishi SUGA, Chinatsu YOSHIZAWA, Hiroakira DEN
  • Publication number: 20240128144
    Abstract: The present disclosure provides a sealing material suitable for a compound having a non-stoichiometric composi263tion. The present disclosure is related to a sealing material for a compound having a non-stoichiometric composition, the sealing material including a polymer layer and an inorganic oxide insulator layer, wherein the polymer layer includes a first polymer layer containing an organic solvent soluble polymer.
    Type: Application
    Filed: February 24, 2022
    Publication date: April 18, 2024
    Applicants: THE UNIVERSITY OF TOKYO, DAICEL CORPORATION
    Inventors: Junichi TAKEYA, Shunichiro WATANABE, Shouhei KUMAGAI, Xiaozhu WEI, Daiji IKEDA, Hiroki SATO, Yasuyuki AKAI
  • Publication number: 20240124314
    Abstract: Provided is a particle-immobilized substrate that can be easily produced and has inorganic nanoparticles present in a nanometer-scale region. Also provided is a method for easily producing a substrate in which nanoparticles are arranged in a nanometer-scale region on a solid surface. A particle-immobilized substrate 1 includes a substrate 2 and a plurality of inorganic nanoparticles 3 disposed on the substrate 2, in which the plurality of inorganic nanoparticles 3 is disposed in contact with each other in a region having a width (D1) of 1 ?m or less on the substrate 2.
    Type: Application
    Filed: February 14, 2022
    Publication date: April 18, 2024
    Applicant: DAICEL CORPORATION
    Inventors: Taro YOSHIKAWA, Ming LIU, Ryouta KOJIMA, Ryosuke IEKI, Hiroto MIYAKE
  • Patent number: 11958136
    Abstract: A metal assembled body including a first member formed by forging a metal material, the first member including a peripheral wall portion in which a metal flow is formed along an axial direction and an extending portion extending from the peripheral wall portion and having an opening, the peripheral wall portion and the extending portion being formed integrally, and a closing member welded to a welding surface on the extending portion to close the opening, before the closing member is welded, the extending portion being formed to expose an end portion of the metal flow at the welding surface, and a welding position of the closing member on the welding surface being set to make a width of a first region larger than a width of a region excluding the first region, the first region being a region divided by a welding site, where arrival of a gas is inhibited.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: April 16, 2024
    Assignee: DAICEL CORPORATION
    Inventor: Akifumi Noda
  • Patent number: 11958432
    Abstract: An igniter holding structure includes, an igniter provided with an ignition portion and a conductive pin, a first resin portion provided between the igniter and an attachment portion and holds the igniter such that the ignition portion and a distal end of the conductive pin are located opposite each other, and a second resin portion provided in a circumferential wall portion of the attachment portion and forming a connector insertion portion on an inner side of the circumferential wall portion, the connector insertion portion being a space into which a connector connected to the conductive pin can be inserted and the second resin portion being provided separated from the first resin portion on the inner side of the circumferential wall portion in a manner that an exposed surface, which is made of metal and exposed to the connector insertion portion, is formed in the circumferential wall portion.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: April 16, 2024
    Assignee: DAICEL CORPORATION
    Inventors: Mikio Hirano, Atsushi Mitsunabe, Kazuhiro Kato
  • Publication number: 20240116762
    Abstract: Provided is a surface-modified nanodiamond having excellent dispersibility in an organic solvent, and a method capable of introducing various surface-modifying groups and easily producing surface-modified nanocarbon particles with little zirconia contamination. The surface-modified nanodiamond includes nanodiamond particles and a group that surface-modifies the nanodiamond particles and is represented by Formula (1): —X—R1 (1) [where X represents —NH—, —O—, —O—C(?O)—, —C(?O)—O—, —NH—C(?O)—, —C(?O)—NH—, or —S—; the bond extending left from X is bonded to a nanodiamond particle; R1 represents a monovalent organic group that does not have a hydroxy group, carboxy group, amino group, mono-substituted amino group, terminal alkenyl group, and terminal epoxy group; an atom bound to X is a carbon atom; and a molar ratio of carbon atoms to the total amount of heteroatoms selected from the group consisting of nitrogen atoms, oxygen atoms, sulfur atoms, and silicon atoms is 4.5 or greater.
    Type: Application
    Filed: November 7, 2023
    Publication date: April 11, 2024
    Applicant: DAICEL CORPORATION
    Inventors: Takeru KASHIWAGI, Hiroshi KOYAMA, Atsushi KUME
  • Patent number: 11951931
    Abstract: A gas generator includes, a housing having a first container including a first bottom surface portion and a second container including a second bottom surface portion, the housing being formed by joining the first container and the second container, and an igniter attached to a mounting hole formed in the second bottom surface portion of the second container, the mounting hole including a passing region in the mounting hole, through which the igniter is passing, and a tip region around the passing region, the tip region being located, in a radial direction of the housing, outside an imaginary outer contour line when the igniter is projected onto the second bottom surface portion, in which paired edge portions intersect with each other to form a tip portion having a convex shape protruding outward in the radial direction of the housing on the outermost side of the region.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: April 9, 2024
    Assignee: DAICEL CORPORATION
    Inventors: Yoshiaki Nishikawa, Masato Hirooka
  • Patent number: 11952462
    Abstract: Provided is a curable composition having excellent workability and being capable of forming a cured product having excellent heat resistance. The curable composition of the present invention includes a compound represented by Formula (1) below and a solvent: In Formula (1) below, R1 and R2 each represent a curable functional group, and D1 and D2 each represent a single bond or a linking group. L represents a divalent group having a repeating unit containing a structure represented by Formula (I) below and a structure represented by Formula (II) below. In Formula (I) and Formula (II) below, Ar1 to Ar3 each represent a group in which two hydrogen atoms are removed from an aromatic ring structure or a group in which two hydrogen atoms are removed from a structure in which two or more aromatic rings are bonded through a single bond or a linking group. X represents —CO—, —S—, or —SO2—, and Y represents —S—, —SO2—, —O—, —CO—, —COO—, or —CONH—. n represents an integer of 0 or greater.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: April 9, 2024
    Assignee: DAICEL CORPORATION
    Inventors: Daisuke Ito, Tsukasa Yoshida, Toshihiro Tai, Hitomi Tamaoki, Satoru Sumimoto
  • Publication number: 20240109509
    Abstract: A gas generator comprising, a first ignition device, a first inner tube member including therein the first ignition device and a surrounding wall portion provided with one or a plurality of communication holes, the surrounding wall portion including, in a circumferential direction thereof, a combustion product discharge region and a combustion product non-discharge region, and a housing including a peripheral wall portion and defining therein a first combustion chamber, the peripheral wall portion being provided with a first gas discharge port and a second gas discharge port having an opening pressure higher than the first gas discharge port, and a communication hole-associated region associated with the combustion product discharge region and including only the first gas discharge port formed therein and a communication hole non-associated region associated with the combustion product non-discharge region and including the second gas discharge port formed therein.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 4, 2024
    Applicant: DAICEL CORPORATION
    Inventor: Katsuhiro Imoto
  • Patent number: 11947136
    Abstract: The anti-Newton ring film of the present invention is manufactured by subjecting a liquid phase containing one or a plurality of polymers, one or a plurality of curable resin precursors, and a solvent to phase separation through spinodal decomposition in association with evaporation of the solvent to thereby form a phase-separated structure, and then curing the curable resin precursor to form an anti-Newton ring layer having an arithmetic mean roughness Ra of 30 nm or less. This film may have a parallel light transmittance of 90% or greater, a haze of 3% or less, and a transmission image clarity of 90% or higher as measured by an image clarity meter using an optical comb with a width of 0.5 mm. The anti-Newton ring layer may contain the polymer and the curable resin precursor at a ratio (weight ratio) of from 1/99 to 60/40. This film can effectively suppress the occurrence of a Newton's ring in a resistive touch screen, and can suppress glare even in a high-definition LCD and an organic EL display.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: April 2, 2024
    Assignee: DAICEL CORPORATION
    Inventor: Masashi Yokoyama
  • Patent number: 11949104
    Abstract: Provided is a slurry for forming an electrode-active-material layer, the slurry improving adhesion to a current collector while suppressing a decrease in cell capacity. The present invention provides a slurry for forming an electrode-active-material layer for a cell, the slurry including at least an active material and an aqueous binder, wherein the slurry has an aqueous binder content from 0.1 to 0.8 parts by weight based on 100 parts by weight of the active material, and a supernatant obtained by centrifuging the slurry has the aqueous binder content of 45% by weight or greater of a total amount of the aqueous binder contained in the slurry. The slurry of the present invention preferably further contains a fibrous material.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: April 2, 2024
    Assignee: DAICEL CORPORATION
    Inventor: Akito Yamamoto
  • Publication number: 20240103206
    Abstract: An anti-glare film is attached on a surface of a display, and includes an anti-glare layer. The anti-glare layer is set to have a sparkle value falling within a range from 6 to 10, which is defined based on a value of a standard deviation of luminance distribution of the display under a state in which the anti-glare film is attached on the surface of the display, a value of specular gloss of 30% or less, which is measured with 60-degree specular gloss, a value of transmission image clarity of 60% or less, which has an optical comb of 0.5 mm, and a haze value of 50% or less. Consequently, satisfactory anti-glare property can be provided while appropriately suppressing sparkle on the display.
    Type: Application
    Filed: December 8, 2023
    Publication date: March 28, 2024
    Applicant: DAICEL CORPORATION
    Inventors: Yoshitaka SUGAWARA, Masaki HAYASHI
  • Patent number: 11939222
    Abstract: A nanodiamond particle dispersion including nanodiamond particles highly dispersed in an organic solvent is provided. A nanodiamond particle dispersion of the present invention includes nanodiamond particles dispersed in an organic solvent, in which the nanodiamond particles have a silane compound (excluding a silane compound having a (meth)acryloyl group) bonded to a surface of the nanodiamond particles, the organic solvent has an SP value from 8.0 to 14.0 (cal/cm3)1/2, and the nanodiamond particles are dispersed with a particle diameter (D50) from 2 to 100 nm. The organic solvent is preferably at least one type of organic solvent selected from ketones, ethers, alcohols, and carbonates.
    Type: Grant
    Filed: January 15, 2019
    Date of Patent: March 26, 2024
    Assignee: DAICEL CORPORATION
    Inventors: Kouichi Umemoto, Hidekazu Takeuchi
  • Publication number: 20240097402
    Abstract: The present disclosure provides an optical member for use in a laser module that includes a surface emitting laser, the optical member being capable of detecting damage (cracking, peeling, and the like), a method for manufacturing the optical member, a laser module including the optical member, and a laser device.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Applicant: Daicel Corporation
    Inventors: Takahiro Iwahama, Takeshi Fujikawa, Sadayuki Fukui