Patents Assigned to Sanyo
  • Publication number: 20230340357
    Abstract: The present invention aims to provide a viscosity index improver composition capable of providing a lubricant composition that has an excellent viscosity index improving effect, excellent antifoaming properties, and excellent persistence of the antifoaming properties. The present invention relates to a viscosity index improver composition, containing: a (co)polymer (A) containing a monomer (a) represented by the following formula (1) as an essential monomer; a C18-C40 chain aliphatic alcohol (B); and a base oil, wherein R1 is a hydrogen atom or a methyl group; -X1- is a group represented by —O— or —NH—; R2 is a C2-C4 alkylene group; R3 and R4 are each independently a C8-C24 linear or branched alkyl group; and p is an integer of 0 to 20, with each R2 being optionally the same as or different from each other when p is 2 or greater.
    Type: Application
    Filed: August 20, 2021
    Publication date: October 26, 2023
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Nobuhiro NAITO, Hiroki YAMASHITA, Kenyuu YOSHIDA, Hiroki HAGIHARA
  • Publication number: 20230343953
    Abstract: A method for producing a lithium-nickel complex oxide according to an aspect of the present disclosure comprises: a filling step for filling a firing container with a Ni-containing metal compound and a Li compound to obtain a filling material including the Ni-containing metal compound and the Li compound; and a firing step for firing the filling material that fills the firing container, wherein, in the filling step, when the filling material that fills the firing container is divided into two equal parts in the height direction, the molar ratio A of Li to metals other than Li in the filling material in the upper half region and the molar ratio B of Li to metals other than Li in the filling material in the lower half region satisfy 1<B/A<1.15.
    Type: Application
    Filed: September 13, 2021
    Publication date: October 26, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Tomoki Ikeda, Yasunobu Kawamoto
  • Publication number: 20230344023
    Abstract: A sensor unit in one example embodiment of the present invention is a sensor unit that is loaded into battery production equipment and is provided with a bottomed cylindrical case which is processes similarly to a battery outer can via the battery production equipment, and a sensor which is attached to the case and detects force acting on the case from the battery production equipment. The sensor unit is provided with, for example, a first component to which the sensor is attached and which is accommodated inside the case, and a second component which is disposed so as to engage the outside of the first component. The first component is configured to be removable from an opening in the case by being separated from the second component.
    Type: Application
    Filed: October 6, 2021
    Publication date: October 26, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Yasuhiro Okina, Shunya Ushizawa, Yoshihiro Matsushita, Motohiro Oue
  • Publication number: 20230344046
    Abstract: A sealed battery is one example of an embodiment, and is provided with an electrode body, a bottomed cylindrical outer package can that houses the electrode body, a sealing body that seals up an opening part of the outer package can, and insulating plates each placed between the respective end faces of the electrode body and the outer package can. A first face of each of the insulating plates faces the electrode body. The outer edge of the first face stands on the insulating plate outside the outer edge of a second face of each of the insulating plates which is on the opposite side of the first face. The sealed battery, which is one example of an embodiment, is provided with a top insulating plate and a bottom insulating plate as the insulating plates.
    Type: Application
    Filed: September 13, 2021
    Publication date: October 26, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventor: Takahiro Nogami
  • Patent number: 11799074
    Abstract: A negative electrode includes a negative electrode protecting layer that is disposed so as to cover a negative electrode active material layer formed on at least one surface of a negative electrode core in a thickness direction and that has higher electrical resistance than the negative electrode active material layer. The negative electrode active material layer includes a first surface and a second surface. The first surface is formed in a region extending from an edge at one end to a boundary 300 ?m away from the edge in a width direction. The second surface is positioned closer than the first surface to the other end. Regarding the negative electrode protecting layer, the average value of the first thickness of a first portion covering the first surface is 1.7 or more times larger than the maximum value of the second thickness of a second portion covering the second surface.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: October 24, 2023
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Koichi Katayama, Tetsuya Matsuda, Haruya Nakai
  • Patent number: 11791494
    Abstract: A nonaqueous electrolyte secondary battery according to an embodiment of the present disclosure includes a separator which contains a first region located in a flat part of an electrode body and second regions located in a pair of curved parts, the ratio (B/A) of the air permeability (B) in each of the second regions to the air permeability (A) in the first region being 0.5 or more and 0.9 or less. Further, in a section passing through the center in the axial direction of the electrode body and being perpendicular to the axial direction, the ratio (SB/SA) of the sectional area (SB) of the pair of curved parts to the sectional area (SA) of the flat part is 0.28 or more and 0.32 or less.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: October 17, 2023
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Junichi Yogo, Masashi Muraoka, Keisuke Minami
  • Publication number: 20230327214
    Abstract: A method of manufacturing a secondary battery including an electrode body element fabricating step in which a first electrode body element including a positive electrode plate and a negative electrode plate, and a second electrode body element including a positive electrode plate and a negative electrode plate are fabricated, a tab-connecting step in which a first positive electrode tab group of the first electrode body element and a second positive electrode tab group of the second electrode body element are connected to a second positive electrode collector, and a first negative electrode tab group of the first electrode body element and a second negative electrode tab group of the second electrode body element are connected to a second negative electrode collector, and an electrode body fabricating step in which, after the tab-connecting step, the first electrode body element and the second electrode body element are unified.
    Type: Application
    Filed: June 14, 2023
    Publication date: October 12, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Ryoichi Wakimoto, Atsushi Tsuji
  • Publication number: 20230323241
    Abstract: The present invention aims to provide a viscosity-index improving agent having an excellent friction reduction effect to reduce friction of a lubricating oil composition when the viscosity-index improving agent is added thereto. The present also aims to provide a lubricating oil composition containing the viscosity-index improving agent. The present invention relates to, for example, a viscosity-index improving agent containing: (co)polymer (A) containing, as an essential constituent monomer, a polyolefin-based monomer (a) represented by the following formula (1); an ester oil (B1) having a kinematic viscosity at 100° C. of 1.00 to 2.50 mm2/s; and an ester oil (B2) having a kinematic viscosity at 100° C. of 2.51 to 5.
    Type: Application
    Filed: September 14, 2021
    Publication date: October 12, 2023
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Nobuhiro NAITO, Satoshi MATSUMOTO, Masahiro HASHIMOTO, Kenyuu YOSHIDA, Hiroki YAMASHITA, Ryota SATO
  • Publication number: 20230323001
    Abstract: An object of the present invention is to provide an antistatic agent which imparts excellent antistatic properties to thermoplastic resins. The antistatic agent (Z) of the present invention contains a block polymer (A) having a block of a polyamide (a) and a block of a polyether (b1) as structure units, wherein the polyether (b1) contains propylene oxide (PO) and ethylene oxide (EO) as constituent monomers, and a weight ratio of the propylene oxide (PO) to the ethylene oxide (EO), i.e., propylene oxide (PO)/ethylene oxide (EO), is 1/99 to 25/75.
    Type: Application
    Filed: November 24, 2020
    Publication date: October 12, 2023
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Yuko SUGIMOTO, Shinichi FUJITA
  • Patent number: 11784520
    Abstract: A rotor structure of a synchronous motor includes: a stator; and a rotatable rotor on the inner side of the stator, in which the rotor includes: a rotor core fixed to a rotary shaft; and a permanent magnet on the outer side of the rotor core, the permanent magnet on the outer side of the rotor core includes a main magnet and an auxiliary magnet, the auxiliary magnet is provided in contact with the outer side of the rotor core, and the main magnet is provided in contact with the outer side of the auxiliary magnet.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: October 10, 2023
    Assignee: SANYO DENKI CO., LTD.
    Inventors: Manabu Horiuchi, Keisuke Nagata
  • Patent number: 11781204
    Abstract: Provided is a powder for metal molds that is less likely to cause solidification cracking even in a process involving rapid melt-quenching solidification. The powder for metal molds is made of an alloy. The alloy includes C: 0.25 mass % to 0.45 mass %, Si: 0.01 mass % to 1.20 mass %, Mn: more than 0 mass % to 1.50 mass %, Cr: 2.0 mass % to 5.5 mass %, and V: 0.2 mass % to 2.1 mass %. The alloy further includes at least one of Mo: more than 0 mass % to 3.0 mass %, W: more than 0 mass % to 9.5 mass %, and Co: more than 0 mass % to 4.5 mass %. The balance of the alloy is Fe and incidental impurities. The alloy satisfies the expression: (Mn %)3/S %>6.7. The total content of P, S and B in the alloy is 0.020 mass % or less.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: October 10, 2023
    Assignee: Sanyo Special Steel Co., Ltd.
    Inventor: Yuka Saimen
  • Publication number: 20230317941
    Abstract: A positive electrode active material for nonaqueous electrolyte secondary batteries according to one embodiment of the present disclosure contains a lithium transition metal composite oxide which is represented by general formula LiaNibCocAldXeOf (wherein 0.9?a?1.2; 0.88?b?0.96; 0?c?0.12; 0?d?0.12; 0?e?0.1; 1.9?f?2.1; (b+c+d)=1; and X represents at least one element that is selected from among Mn, Mg, Ca, Sr, Ba, Ti, Zr, V, Nb, Ta, Mo, W and B); and the lithium transition metal composite oxide has a pore volume of pores having a pore diameter of 0.3 ?m or less of from 6×10?4 mL/g to 50×10?4 mL/g, while having a particle fracture strength of 120 MPa or more at the volume average particle diameter.
    Type: Application
    Filed: August 26, 2021
    Publication date: October 5, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Masanori Maekawa, Takayuki Ishikawa, Kaoru Nagata
  • Publication number: 20230312961
    Abstract: Provided is an aqueous pigment dispersion having high initial dispersibility, high storage stability, and high color developability after printing, and particularly having high rub resistance (rubbing fastness) in cotton fabrics. An aqueous pigment dispersion for an aqueous inkjet ink, including a pigment and an aqueous medium, the pigment being dispersed with a polyurethane resin prepared by reacting an active hydrogen atom-containing component (A) with an organic polyisocyanate component (B), the active hydrogen atom-containing component (A) containing a polycarbonate polyol (a1), the organic polyisocyanate component (B) containing at least one compounds selected from the group consisting of aliphatic polyisocyanates (b1), alicyclic polyisocyanates (b2), and aromatic polyisocyanates (b3), wherein a coating film formed by drying the aqueous pigment dispersion at 50° C. for 12 hours has a storage modulus G? at 160° C. of 1 to 10 MPa.
    Type: Application
    Filed: March 29, 2023
    Publication date: October 5, 2023
    Applicants: SANYO CHEMICAL INDUSTRIES, LTD., SEIKO EPSON CORPORATION
    Inventors: Hiroshi ODAJIMA, Takeshi YANO, Kenji KITADA, Shinichi NAITO
  • Publication number: 20230312797
    Abstract: The present invention aims to provide a viscosity-index improving agent capable of providing a lubricating oil composition having an appropriate gelation index, an excellent HTHS viscosity at 100° C., and an excellent kinematic viscosity at 40° C. when the viscosity-index improving agent is added thereto. The present also aims to provide a lubricating oil composition containing the viscosity-index improving agent.
    Type: Application
    Filed: September 14, 2021
    Publication date: October 5, 2023
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Nobuhiro NAITO, Satoshi MATSUMOTO, Masahiro HASHIMOTO, Kenyuu YOSHIDA, Hiroki YAMASHITA, Ryota SATO
  • Publication number: 20230312956
    Abstract: Provided is an aqueous pigment dispersion having high initial dispersion stability and high storage stability and demonstrating high color developability in particularly fabrics not pre-treated. An aqueous pigment dispersion for an aqueous inkjet ink, including a pigment and an aqueous medium, the pigment being dispersed with a polyurethane resin prepared by reacting an active hydrogen atom-containing component (A) with an organic polyisocyanate component (B). The active hydrogen atom-containing component (A) contains a quaternary ammonium compound (a1), and the quaternary ammonium compound (a1) is contained in a weight proportion of 12% by weight or more relative to the total weight of the active hydrogen atom-containing component (A) and the organic polyisocyanate component (B).
    Type: Application
    Filed: March 29, 2023
    Publication date: October 5, 2023
    Applicants: SANYO CHEMICAL INDUSTRIES, LTD., SEIKO EPSON CORPORATION
    Inventors: Hiroshi ODAJIMA, Kenji KITADA, Takeshi YANO, Shinichi NAITO
  • Patent number: 11774872
    Abstract: An object of the present invention is to provide a toner binder that maintains low-temperature fixability and hot offset resistance while having excellent grindability, image strength, heat-resistant storage stability, electrostatic charge stability, gloss-imparting properties, and durability. The toner binder of the present invention contains an amorphous resin (A) and a crystalline vinyl resin (B), wherein a weight ratio [(A)/(B)] of the amorphous resin (A) to the crystalline vinyl resin (B) is 81/19 to 97/3, the toner binder has an endothermic peak top temperature (Tm) derived from the crystalline vinyl resin (B) of 40° C. to 100° C. and a half-width of the endothermic peak derived from the crystalline vinyl resin (B) of 6° C. or less, the crystalline vinyl resin (B) has an acid value of 60 mg KOH/g or less, and the toner binder satisfies the following relation (1): 3° C.?Tfb(A)?Tfb(C)?30° C.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: October 3, 2023
    Assignee: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Masaru Honda, Satoshi Yamada
  • Patent number: 11777178
    Abstract: A battery module includes a plurality of battery cells each including an electrode terminal, and a bus bar that connects respective electrode terminals of adjacent battery cells in a state where the plurality of battery cells are stacked, wherein the bus bar includes a first bus bar having a first thickness, and a second bus bar having a second thickness larger than the first thickness, the first bus bar is connected to the respective electrode terminals of the adjacent battery cells, and the second bus bar is in non-contact with electrode terminals of the battery cells.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: October 3, 2023
    Assignee: SANYO Electric Co., Ltd.
    Inventors: Takayuki Nobuhira, Takatoshi Kageyama
  • Patent number: 11769936
    Abstract: A method of manufacturing a secondary battery including a joining step of clamping a negative electrode core body stacked part and a negative electrode current collector by a horn and an anvil, and in a state where the anvil is in contact with the negative electrode current collector, ultrasonically joining the negative electrode core body stacked part and the negative electrode current collector to form a joint part; and an oxidation treatment step of oxidizing a portion, in contact with the anvil, of the negative electrode current collector in the joining step.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: September 26, 2023
    Assignee: SANYO Electric Co., Ltd.
    Inventor: Hiroshi Takabayashi
  • Publication number: 20230299434
    Abstract: The purpose of the present disclosure is to provide a nonaqueous electrolyte secondary battery configured to suppress the occurrence of internal short-circuiting in the vicinity of the inner side end of winding. This nonaqueous electrolyte secondary battery. according to one embodiment includes: an electrode body in which a positive electrode and a negative electrode are wound with a separator therebetween; a nonaqueous electrolyte; and an exterior body for housing the electrode body and the nonaqueous electrolyte. A negative electrode (12) includes a first negative electrode active material, and a second negative electrode active material, the second negative electrode active material exhibiting a greater expansion rate than the first negative electrode active material during charging.
    Type: Application
    Filed: July 9, 2021
    Publication date: September 21, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventor: Masashi Aotani
  • Publication number: 20230299397
    Abstract: A conductive member is disposed on a side of the sealing plate adjacent to an electrode assembly with a first insulating member disposed therebetween. The conductive member has a conductive-member opening portion. The conductive-member opening portion of the conductive member is sealed by a deformation plate. The deformation plate is connected to a first positive-electrode current collector, which is electrically connected to positive electrode plates. A second insulating member is disposed between the deformation plate and the first positive-electrode current collector. Fixing projections and displacement prevention projections are provided on a surface of the second insulating member. The second insulating member is fixed to the first positive-electrode current collector such that the fixing projections are disposed in fixing holes in the first positive-electrode current collector.
    Type: Application
    Filed: May 24, 2023
    Publication date: September 21, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Ryoichi Wakimoto, Hirofumi Furukawa, Hiroyuki Yamada