Patents by Inventor Kazuaki Hashimoto

Kazuaki Hashimoto 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: 11699718
    Abstract: A BSI image sensor includes a substrate including a front side and a back side opposite to the front side, a pixel sensor disposed in the substrate, and a color filter disposed over the pixel sensor. The pixel sensor includes a plurality of first micro structures disposed over the back side of the substrate. The color filter includes a plurality of second micro structures disposed over the back side of the substrate. The first micro structures are arranged symmetrically to a first axial, and the second micro structures are arranged symmetrically to a second axial.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: July 11, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Wei-Chieh Chiang, Keng-Yu Chou, Chun-Hao Chuang, Wen-Hau Wu, Jhy-Jyi Sze, Chien-Hsien Tseng, Kazuaki Hashimoto
  • Patent number: 11688424
    Abstract: Provided is a glass for a magnetic recording medium substrate, which is an amorphous glass, in which an SiO2 content is in a range of 54 mol % or more and 62 mol % or less, an MgO content is in a range of 15 mol % or more and 28 mol % or less, an Li2O content is in a range of 0.2 mol % or more, and an Na2O content is in a range of 5 mol % or less.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: June 27, 2023
    Assignee: HOYA CORPORATION
    Inventors: Koichi Sato, Kazuaki Hashimoto
  • Publication number: 20230192530
    Abstract: Provided is a glass for a magnetic recording medium substrate or for a glass spacer for a magnetic recording/reproducing apparatus, in which the total content of Li2O, Na2O, K2O, B2O3, and ZnO (Li2O+Na2O+K2O+B2O3+ZnO) is in a range of 0 mol % or more and 3 mol % or less, the mole ratio of the total content of Al2O3 and MgO relative to the total content of SiO2 and CaO [(Al2O3+MgO)/(SiO2+CaO)] is in a range of 0.30 or more and 0.6 or less, the total content of SiO2 and Al2O3 (SiO2+Al2O3) is in a range of 64 mol % or more and 85 mol % or less, and the total content of SiO2, Al2O3, MgO, and CaO (SiO2+Al2O3+MgO+CaO) is in a range of 87 mol % or more and 98 mol % or less.
    Type: Application
    Filed: December 11, 2020
    Publication date: June 22, 2023
    Inventors: Koichi SATO, Kazuaki HASHIMOTO
  • Publication number: 20230181075
    Abstract: A fatigue estimation system includes: an information output device (e.g., an imaging device) that outputs information regarding locations of body parts of a subject; and an estimation device that, based on the information output from the information output device in a predetermined time period, estimates a fatigue level of the subject accumulated in the predetermined time period by counting a specific movement that appears in response to fatigue accumulation, and outputs the estimated fatigue level.
    Type: Application
    Filed: May 19, 2021
    Publication date: June 15, 2023
    Inventor: Kazuaki HASHIMOTO
  • Publication number: 20230172506
    Abstract: A fatigue estimation system estimates the posture of a subject in a predetermined time period based on information output in the predetermined time period, determines whether the estimated posture of the subject matches a specific posture, and estimates, as the fatigue level of the subject accumulated in the predetermined time period, a calculated value obtained by a unit fatigue level being accumulated in accordance with a time period in which the estimated posture of the subject is determined to match the specific posture.
    Type: Application
    Filed: May 19, 2021
    Publication date: June 8, 2023
    Inventor: Kazuaki HASHIMOTO
  • Patent number: 11670647
    Abstract: Various embodiments of the present disclosure are directed towards an integrated chip (IC). The IC comprises a first phase detection autofocus (PDAF) photodetector and a second PDAF photodetector in a substrate. A first electromagnetic radiation (EMR) diffuser is disposed along a back-side of the substrate and within a perimeter of the first PDAF photodetector. The first EMR diffuser is spaced a first distance from a first side of the first PDAF photodetector and a second distance less than the first distance from a second side of the first PDAF photodetector. A second EMR diffuser is disposed along the back-side of the substrate and within a perimeter of the second PDAF photodetector. The second EMR diffuser is spaced a third distance from a first side of the second PDAF photodetector and a fourth distance less than the third distance from a second side of the second PDAF photodetector.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: June 6, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Keng-Yu Chou, Chun-Hao Chuang, Kazuaki Hashimoto, Wei-Chieh Chiang, Cheng Yu Huang, Wen-Hau Wu, Chih-Kung Chang
  • Patent number: 11658196
    Abstract: A BSI image sensor includes a substrate including a front side and a back side opposite to the front side, a plurality of pixel sensors, an isolation grid disposed in the substrate and separating the plurality of pixel sensors from each other, a reflective grid disposed over the isolation grid on the back side of the substrate, an a low-n grid disposed over the back side of the substrate and overlapping the reflective grid from a top view. A width of the low-n grid is greater than a width of the reflective grid.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: May 23, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Keng-Yu Chou, Wei-Chieh Chiang, Chen-Jong Wang, Chien-Hsien Tseng, Kazuaki Hashimoto
  • Patent number: 11646340
    Abstract: A BSI image sensor includes a substrate including a front side and a back side opposite to the front side, a pixel sensor disposed in the substrate, an isolation structure surrounding the pixel sensor and disposed in the substrate, a dielectric layer disposed over the pixel sensor on the front side of the substrate, and a plurality of conductive structures disposed in the dielectric layer and arranged to align with the isolation structure.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: May 9, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Wen-Hau Wu, Keng-Yu Chou, Chun-Hao Chuang, Wei-Chieh Chiang, Chien-Hsien Tseng, Kazuaki Hashimoto
  • Publication number: 20230103236
    Abstract: A glass for magnetic recording medium substrate is an amorphous oxide glass. In terms of mol %, SiO2 content ranges from 45 to 68%, Al2O3 from 5 to 20%, total content of SiO2 and Al2O3 60 to 80%, B2O3 from 0 to 5%, MgO from 3 to 28%, CaO from 0 to 18%, total content of BaO and SrO 0 to 2%, total content of alkali earth metal oxides from 12 to 30%, total content of alkali metal oxides from 3.5 to 15%, and at least one kind selected from the group made of Sn oxide and Ce oxide being included, a total content of Sn oxide and Ce oxide ranges from 0.05 to 2.00%, a glass transition temperature ?625° C., a Young's modulus ?83 GPa, a specific gravity ?2.85, and an average linear expansion coefficient at 100 to 300° C.?48×10?7/° C.
    Type: Application
    Filed: December 6, 2022
    Publication date: March 30, 2023
    Applicant: HOYA CORPORATION
    Inventors: Koichi SATO, Kazuaki HASHIMOTO
  • Patent number: 11551714
    Abstract: A glass for magnetic recording medium substrate is an amorphous oxide glass. In terms of mol %, SiO2 content ranges from 45 to 68%, Al2O3 from 5 to 20%, total content of SiO2 and Al2O3 60 to 80%, B2O3 from 0 to 5%, MgO from 3 to 28%, CaO from 0 to 18%, total content of BaO and SrO 0 to 2%, total content of alkali earth metal oxides from 12 to 30%, total content of alkali metal oxides from 3.5 to 15%, and at least one kind selected from the group made of Sn oxide and Ce oxide being included, a total content of Sn oxide and Ce oxide ranges from 0.05 to 2.00%, a glass transition temperature ?625° C., a Young's modulus ?83 GPa, a specific gravity ?2.85, and an average linear expansion coefficient at 100 to 300° C.?48×10?7/° C.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: January 10, 2023
    Assignee: HOYA CORPORATION
    Inventors: Koichi Sato, Kazuaki Hashimoto
  • Publication number: 20230000409
    Abstract: A fatigue estimation system that includes: an information output device (imaging device) that outputs information (images) regarding the locations of the body parts of a subject; and an estimation device that estimates a posture of the subject based on the information output by the information output device, and estimates the fatigue level of the subject based on the posture estimated and the duration of the posture estimated.
    Type: Application
    Filed: December 1, 2020
    Publication date: January 5, 2023
    Inventor: Kazuaki HASHIMOTO
  • Publication number: 20220411317
    Abstract: A glass, which is a glass for a magnetic recording medium substrate or for a glass spacer for a magnetic recording and reproducing apparatus, is an amorphous oxide glass. An SiO2 content ranges from 56 mol % to 80 mol %, an Li2O content ranges from 1 mol % to 10 mol %, a B2O3 content ranges from 0 mol % to 4 mol %, a Na2O content is 0 mol %, a total content of MgO and CaO (MgO+CaO) ranges from 9 mol % to 40 mol %, and the oxide glass has a specific gravity of 2.75 g/cm3 or less, a glass transition temperature of 650° C. or higher, and a Young's modulus of 90 GPa or more.
    Type: Application
    Filed: August 24, 2022
    Publication date: December 29, 2022
    Inventors: Koichi SATO, Kazuaki HASHIMOTO
  • Patent number: 11505279
    Abstract: A bicycle motorization device is attached to a bicycle. The motorization device includes: a calculation unit configured to calculate speed of the bicycle; an estimation unit configured to estimate pedal force applied to pedals of the bicycle; an electric motor; a battery which supplies electric power to the electric motor; and a control unit configured to apply auxiliary driving force to a wheel of the bicycle by driving the electric motor based on the speed calculated and the pedal force estimated.
    Type: Grant
    Filed: March 5, 2019
    Date of Patent: November 22, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Jin Yoshizawa, Kazuaki Hashimoto, Takashi Uchida
  • Publication number: 20220336518
    Abstract: Various embodiments of the present application are directed towards an image sensor including a wavelength tunable narrow band filter, as well as methods for forming the image sensor. In some embodiments, the image sensor includes a substrate, a first photodetector, a second photodetector, and a filter. The first and second photodetectors neighbor in the substrate. The filter overlies the first and second photodetectors and includes a first distributed Bragg reflector (DBR), a second DBR, and a first interlayer between the first and second DBRs. A thickness of the first interlayer has a first thickness value overlying the first photodetector and a second thickness value overlying the second photodetector. In some embodiments, the filter is limited to a single interlayer. In other embodiments the filter further includes a second interlayer defining columnar structures embedded in the first interlayer and having a different refractive index than the first interlayer.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 20, 2022
    Inventors: Cheng Yu Huang, Chun-Hao Chuang, Kazuaki Hashimoto, Keng-Yu Chou, Wei Chieh Chiang, Wen-Hau Wu, Chih-Kung Chang
  • Patent number: 11447414
    Abstract: Provided is a glass for a magnetic recording medium substrate, which is an amorphous oxide glass, in which an SiO2 content ranges from 56 mol % to 80 mol %, an Li2O content ranges from 1 mol % to 10 mol %, a B2O3 content ranges from 0 mol % to 4 mol %, a total content of MgO and CaO (MgO+CaO) ranges from 9 mol % to 40 mol %, and the oxide glass has a specific gravity of 2.75 g/cm3 or less, a glass transition temperature of 650° C. or higher, and a Young's modulus of 90 GPa or more.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: September 20, 2022
    Assignee: HOYA CORPORATION
    Inventors: Koichi Sato, Kazuaki Hashimoto
  • Publication number: 20220277768
    Abstract: Provided is a glass for a magnetic recording medium substrate, which is an amorphous glass, in which an SiO2 content is in a range of 54 mol % or more and 62 mol % or less, an MgO content is in a range of 15 mol % or more and 28 mol % or less, an Li2O content is in a range of 0.2 mol % or more, and an Na2O content is in a range of 5 mol % or less.
    Type: Application
    Filed: July 22, 2020
    Publication date: September 1, 2022
    Inventors: Koichi SATO, Kazuaki HASHIMOTO
  • Patent number: 11422003
    Abstract: A control device includes: an obtaining unit configured to obtain location information of an electric bicycle and operation information obtained by the vehicle; a calculation unit configured to generate environment information indicating an estimated travel environment of the electric bicycle based on the operation information; and a storage unit configured to store the location information and the environment information. The calculation unit is configured to generate an updated map by associating the location information with the environment information, and reflecting the location information and the environment information on a map.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: August 23, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kazuaki Hashimoto, Jin Yoshizawa, Takashi Uchida
  • Patent number: 11404468
    Abstract: Various embodiments of the present application are directed towards an image sensor including a wavelength tunable narrow band filter, as well as methods for forming the image sensor. In some embodiments, the image sensor includes a substrate, a first photodetector, a second photodetector, and a filter. The first and second photodetectors neighbor in the substrate. The filter overlies the first and second photodetectors and includes a first distributed Bragg reflector (DBR), a second DBR, and a first interlayer between the first and second DBRs. A thickness of the first interlayer has a first thickness value overlying the first photodetector and a second thickness value overlying the second photodetector. In some embodiments, the filter is limited to a single interlayer. In other embodiments the filter further includes a second interlayer defining columnar structures embedded in the first interlayer and having a different refractive index than the first interlayer.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: August 2, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Cheng Yu Huang, Chun-Hao Chuang, Kazuaki Hashimoto, Keng-Yu Chou, Wei-Chieh Chiang, Wen-Hau Wu, Chih-Kung Chang
  • Publication number: 20220220038
    Abstract: Porous ceramics that meet the demand for bone substitute materials and the like are provided. Solution is provided by porous ceramics and a method for producing the porous ceramics, which are ceramics having pores, the pores including open pores and closed pores, the open pores including a plurality of large-diameter open pores having a pore size within a range of 20 to 600 ?m and a plurality of micro-diameter open pores having a pore size within a range of 1.0 ?m or smaller, wherein the large-diameter open pores are distributed substantially uniformly all over the ceramics.
    Type: Application
    Filed: June 2, 2020
    Publication date: July 14, 2022
    Applicants: CHIBA INSTITUTE OF TECHNOLOGY, DAIO PAPER CORPORATION
    Inventors: Kazuaki HASHIMOTO, Junya OKAWA, Hiroto SASAKI
  • Publication number: 20220216260
    Abstract: The present disclosure relates to an integrated chip. The integrated chip includes an image sensing element disposed within a substrate. A gate structure is disposed along a front-side of the substrate. A back-side of the substrate includes one or more first angled surfaces defining a central diffuser disposed over the image sensing element. The back-side of the substrate further includes second angled surfaces defining a plurality of peripheral diffusers laterally surrounding the central diffuser. The plurality of peripheral diffusers are a smaller size than the central diffuser.
    Type: Application
    Filed: January 4, 2021
    Publication date: July 7, 2022
    Inventors: Keng-Yu Chou, Chun-Hao Chuang, Jen-Cheng Liu, Kazuaki Hashimoto, Ming-En Chen, Shyh-Fann Ting, Shuang-Ji Tsai, Wei-Chieh Chiang