Patents by Inventor Kazuhiro Iida

Kazuhiro Iida 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: 20240154162
    Abstract: This lithium ion secondary battery comprises: a negative electrode; a positive electrode; a nonaqueous electrolyte including a lithium salt; an aqueous electrolyte including a lithium salt; and a partition wall layer disposed between the negative electrode and the positive electrode. The aqueous electrolyte is in contact with the positive electrode, and the nonaqueous electrolyte is in contact with the negative electrode. The partition wall layer includes a nonaqueous solid electrolyte in which a matrix polymer and a nonaqueous electrolytic solution are formed into a complex. The matrix polymer includes a copolymer of acrylonitrile and at least one of methyl methacrylate, methyl acrylate, and vinyl acetate.
    Type: Application
    Filed: November 15, 2021
    Publication date: May 9, 2024
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kazuhiro Iida, Hideharu Takezawa
  • Patent number: 11947280
    Abstract: A mechanism that enables developer replenishment by a simpler structure and a mechanism that enables more user-friendly developer replenishment are provided. An attachment port to which a developer supply bottle containing a developer stored therein is detachably attachable is disposed in an interior of an image forming apparatus. The developer supply bottle can be attached when the cover is in an open state. According to this image forming apparatus, when the developer supply bottle is attached to the attachment port, the developer inside the developer supply bottle moves into a developer housing chamber by its own weight.
    Type: Grant
    Filed: October 5, 2022
    Date of Patent: April 2, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazuhiro Funatani, Masatake Tanaka, Kentaro Yamawaki, Kenichi Iida, Shinsuke Kobayashi, Kensuke Umeda, Takanori Watanabe, Ai Suzuki
  • Patent number: 11894521
    Abstract: A secondary battery includes a negative electrode containing a lithium silicate phase and silicon particles dispersed in the lithium silicate phase and an electrolytic solution containing a fluorine-containing linear carboxylic acid ester represented by R1—(CO)O—CH2—R2 (wherein R1 is an alkyl group and R2 is an alkyl group in which at least one hydrogen atom is substituted with fluorine).
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: February 6, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuhiro Iida, Takayuki Nakatsutsumi, Atsushi Fukui
  • Publication number: 20230406449
    Abstract: A mounting structure of a shift lever on a body frame which swingably supports a swing arm includes the shift lever configured to receive a shift operation from a driver, a rear cushion configured to extend and contract according to swinging of the swing arm, a cushion lever connecting the rear cushion and the swing arm, and a cushion rod connecting the cushion lever and the body frame. A mounting portion of the shift lever is disposed on an outer side of the body frame in a vehicle width direction. A mounting portion of the cushion rod is disposed on an inner side of the body frame in the vehicle width direction. An opening portion is formed on the body frame. The mounting portion of the shift lever and the mounting portion of the cushion rod overlap the opening portion in a side view.
    Type: Application
    Filed: May 30, 2023
    Publication date: December 21, 2023
    Applicant: SUZUKI MOTOR CORPORATION
    Inventors: Shinji TANAKA, Hideaki FUKUSHIMA, Kazuhiro IIDA
  • Publication number: 20230318049
    Abstract: This lithium ion secondary battery comprises a negative electrode, a positive electrode, a non-aqueous electrolyte including a lithium salt, and an aqueous electrolyte including a lithium salt, wherein: among the negative electrode and the positive electrode, the aqueous electrolyte contacts only the positive electrode; among the negative electrode and the positive electrode, the non-aqueous electrolyte contacts at least the negative electrode; the positive electrode contains a positive electrode active material; the positive electrode active material contains a lithium transition metal composite oxide and a surface modification layer formed on the surface of primary particles of the lithium transition metal composite oxide; and the surface modification layer contains an alkali earth metal element.
    Type: Application
    Filed: August 18, 2021
    Publication date: October 5, 2023
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hiroyuki Matsumoto, Kazuhiro Iida, Hideharu Takezawa
  • Publication number: 20230291005
    Abstract: This lithium ion secondary battery includes: a negative electrode; a positive electrode; a non-aqueous electrolyte which is water repellant and contains a lithium salt; and an aqueous solid electrolyte which contains a lithium salt. The aqueous solid electrolyte contacts only the positive electrode, from between the negative electrode and the positive electrode. The non-aqueous electrolyte contacts at least the negative electrode, from between the negative electrode and the positive electrode.
    Type: Application
    Filed: June 14, 2021
    Publication date: September 14, 2023
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kazuhiro Iida, Masanobu Takeuchi
  • Patent number: 11646446
    Abstract: A rechargeable battery including a positive electrode, a negative electrode, and an electrolyte solution is provided. The electrolyte solution contains water and one or more lithium salts, and the lithium salts include lithium fluorophosphate.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: May 9, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kenji Matsubara, Nobuhiko Hojo, Hiroyuki Matsumoto, Takayuki Nakatsutsumi, Kazuhiro Iida, Atsushi Fukui
  • Patent number: 11539079
    Abstract: A nonaqueous electrolyte includes a lithium salt and a nonaqueous solvent in which the lithium salt is dissolved. The nonaqueous solvent includes a fluorinated chain carboxylate ester and a dicarbonyl compound having two carbonyl groups in the molecule. The dicarbonyl compound is at least one selected from the group consisting of esters and acid anhydrides and has not more than three atoms between the two carbonyl groups.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: December 27, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuhiro Iida, Takanobu Chiga, Naoya Morisawa, Atsushi Fukui
  • Publication number: 20220393170
    Abstract: This secondary battery comprises a positive electrode, a negative electrode, and an electrolyte. The electrolyte contains a solvent containing water, and a lithium salt. The negative electrode has a negative electrode active material that contains a carbon material. In the carbon material, the peak intensity ratio (D/G value) of a D band and a G band in the Raman spectrum obtained using Raman spectroscopy is 0.9 to 1.5. A coating is formed on the surface of the carbon material. In the coating, in the XPS spectrum measured using X-ray photoelectron spectroscopy, when the peak intensity of a 1s electron orbit of an F atom for which the binding energy appears near 685 eV is P1, and the peak intensity of the 1s electron orbit of an O atom for which the binding energy appears near 532 eV is P2, the ratio of the peak intensity P1 to the peak intensity P2 (P1/P2 value) is 0.6 to 3.0.
    Type: Application
    Filed: July 28, 2020
    Publication date: December 8, 2022
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kazuhiro Iida, Masanobu Takeuchi
  • Publication number: 20220393169
    Abstract: This secondary battery comprises a positive electrode, a negative electrode, and an electrolyte solution. The electrolyte solution includes a solvent containing water as a main component, and a lithium salt. The negative electrode has a negative electrode active material that includes a carbon material. The Raman spectrum of the carbon material, which is obtained by Raman spectroscopy, indicates that the peak intensity ratio between the D-band and the G-band (D/G) is 0.3 or greater. This secondary battery can suppress the reductive decomposition of the water-based electrolyte solution.
    Type: Application
    Filed: July 28, 2020
    Publication date: December 8, 2022
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kazuhiro Iida, Masanobu Takeuchi
  • Publication number: 20220376249
    Abstract: A secondary battery according to the present invention comprises a positive electrode, a negative electrode and an electrolyte solution; the electrolyte solution contains a lithium salt and a solvent containing water; the negative electrode comprises a negative electrode active material that contains a carbon material; with respect to the carbon material, the peak intensity ratio (D/G value) of the D band to the G band in a Raman spectrum as obtained by Raman spectroscopy is from 0.05 to 0.7; a coating film is formed on the surface of the carbon material; and with respect to the coating film, if P1 is the peak intensity of the 1s electron orbital of an F atom at around the binding energy of 685 eV and P2 is the peak intensity of the 1s electron orbital of an O atom at around the binding energy of 532 eV in an XPS spectrum as determined by X-ray photoelectron spectroscopy, the ratio of the peak intensity P1 to the peak intensity P2, namely the value of P1/P2 is from 1.0 to 3.0.
    Type: Application
    Filed: July 28, 2020
    Publication date: November 24, 2022
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kazuhiro Iida, Masanobu Takeuchi
  • Patent number: 11367903
    Abstract: A nonaqueous electrolyte solution according to one embodiment of the present disclosure contains a lithium salt and a nonaqueous solvent; the nonaqueous solvent contains fluoroethylene carbonate and a chain carboxylic acid ester having a dielectric constant of 6.0 or more; the lithium salt contains LiPO2F2 and LiSO3F; and the respective concentrations of LiPO2F2 and LiSO3F in the non-aqueous solvent are 0.15 mol/L or more.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: June 21, 2022
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Naoya Morisawa, Kazuhiro Iida, Masaki Deguchi, Atsushi Fukui
  • Publication number: 20220173434
    Abstract: A secondary battery which comprises a positive electrode, a negative electrode, and an electrolytic solution, wherein the electrolytic solution comprises water, a lithium salt, and an additive, the additive including at least one of alkaline-earth metal salts, dicarboxylic acids, carboxylic anhydrides, and organic carbonates, and the negative electrode comprises a negative active material, the negative active material having a silane coupling agent adherent to the surface thereof.
    Type: Application
    Filed: January 27, 2020
    Publication date: June 2, 2022
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kenji Matsubara, Kazuhiro Iida, Masanobu Takeuchi, Atsushi Fukui
  • Patent number: 11201355
    Abstract: A non-aqueous electrolyte secondary cell provided with: a positive electrode that has a positive electrode active material; a negative electrode; and a non-aqueous electrolyte. The positive electrode active material contains a lithium composite oxide containing Ni, and the non-aqueous electrolyte contains a non-aqueous solvent containing a fluorinated chain carboxylic acid ester and an organochlorine compound. The organochlorine compound is represented by general formula CF3CH2CO—CClR1R2 (where in the formula, R1 and R2 are respectively independent, and are selected from a hydrogen, a halogen, a C1-2 alkyl group, or a C1-2 halogenated alkyl group).
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: December 14, 2021
    Assignee: PANASONIC CORPORATION
    Inventors: Kazuhiro Iida, Takanobu Chiga, Naoya Morisawa, Atsushi Fukui
  • Publication number: 20210368285
    Abstract: An object is to acquire a head-related transfer function reproducing features of a head-related transfer function of a listener without actually measuring the head-related transfer function of the listener.
    Type: Application
    Filed: December 8, 2020
    Publication date: November 25, 2021
    Inventor: Kazuhiro IIDA
  • Publication number: 20210344008
    Abstract: A secondary battery includes a positive electrode containing a positive electrode active material; a negative electrode; and an electrolyte. The electrolyte contains a solvent, a lithium salt dissolved in the solvent, and a film forming compound. The film forming compound includes fluorine and an unsaturated bond between carbons. A surface of the positive electrode active material is at least partially covered with a film containing lithium, oxygen, carbon, and fluorine.
    Type: Application
    Filed: February 21, 2019
    Publication date: November 4, 2021
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Takayuki Nakatsutsumi, Kazuhiro Iida, Atsushi Fukui
  • Publication number: 20210218064
    Abstract: A secondary battery includes a negative electrode containing a lithium silicate phase and silicon particles dispersed in the lithium silicate phase and an electrolytic solution containing a fluorine-containing linear carboxylic acid ester represented by R1—(CO)O—CH2—R2 (wherein R1 is an alkyl group and R2 is an alkyl group in which at least one hydrogen atom is substituted with fluorine).
    Type: Application
    Filed: February 21, 2019
    Publication date: July 15, 2021
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kazuhiro Iida, Takayuki Nakatsutsumi, Atsushi Fukui
  • Publication number: 20210083324
    Abstract: A rechargeable battery including a positive electrode, a negative electrode, and an electrolyte solution is provided. The electrolyte solution contains water and one or more lithium salts, and the lithium salts include lithium fluorophosphate.
    Type: Application
    Filed: November 30, 2018
    Publication date: March 18, 2021
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kenji Matsubara, Nobuhiko Hojo, Hiroyuki Matsumoto, Takayuki Nakatsutsumi, Kazuhiro Iida, Atsushi Fukui
  • Patent number: 10903523
    Abstract: A nonaqueous electrolyte includes a lithium salt, a trifluoropropionate ester of the formula (1), and a fluorinated carboxylate ester of the formula (2). The amount of (1) is not less than 10 mass % of the nonaqueous electrolyte. In the formulae, R1 is a C1-3 alkyl group, one or two of X1 to X4 are fluorine atoms, R2 is a hydrogen atom, a C1-3 alkyl group or a fluorinated C1-3 alkyl group, and R3 is a C1-3 alkyl group or a fluorinated C1-3 alkyl group.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: January 26, 2021
    Assignee: PANASONIC CORPORATION
    Inventors: Takanobu Chiga, Naoya Morisawa, Kazuhiro Iida, Atsushi Fukui
  • Publication number: 20200020987
    Abstract: A nonaqueous electrolyte solution according to one embodiment of the present disclosure contains a lithium salt and a nonaqueous solvent; the nonaqueous solvent contains fluoroethylene carbonate and a chain carboxylic acid ester having a dielectric constant of 6.0 or more; the lithium salt contains LiPO2F2 and LiSO3F; and the respective concentrations of LiPO2F2 and LiSO3F in the non-aqueous solvent are 0.15 mol/L or more.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Applicant: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Naoya Morisawa, Kazuhiro Iida, Masaki Deguchi, Atsushi Fukui