Patents by Inventor Naoto Okazaki

Naoto Okazaki 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: 20210229504
    Abstract: A tire wear prediction system (100) is provided with a wear prediction unit (110) for predicting a wear state of a tire mounted at a predetermined wheel position of a vehicle based on the traveling state of the vehicle, a change history acquisition unit (120) for acquiring a change history including the rotation of the wheel position on which the tire is mounted or a content of replacement with another tire, and a wear state correction unit (140) for correcting a reference of the wear state of the tire predicted by the wear prediction unit (110) based on the change history. The wear prediction unit (110) predicts the wear state of the tire based on the reference of the wear state corrected by the wear state correction unit (140).
    Type: Application
    Filed: May 10, 2019
    Publication date: July 29, 2021
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Naoto OKAZAKI, Shoji OIDA
  • Publication number: 20210080354
    Abstract: A wear amount estimation device estimates plural kinds of wear energy depending on each of an internal pressure of aircraft tires, a load acting on the aircraft tires, a velocity of an aircraft, a slip angle caused in the aircraft tires, and a braking force of the aircraft, in accordance with each of these elements and wear energy EFR of the aircraft tires in a state of a free rolling run The wear amount estimation device estimates the wear amount wear of the aircraft tires in accordance with each of the calculated wear energy and a wear resistance R indicating a relationship between predetermined wear energy and a predetermined wear amount.
    Type: Application
    Filed: December 13, 2018
    Publication date: March 18, 2021
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Shoji OIDA, Naoto OKAZAKI, Takeshi YANO, Tomotaka SAKIYAMA
  • Publication number: 20200079156
    Abstract: A pneumatic tire includes rib-shaped land parts adjacent to each other with a circumferential groove therebetween, and raised-row-shaped projections projecting toward each other from both mutually opposed side wall surfaces of the adjacent rib-shaped land parts are provided to extend in the tread circumferential direction. As compared to a raised-row-shaped projection in an outermost-side circumferential groove located on a tire width direction outermost side, a raised-row-shaped projection in an inner adjacent circumferential groove located on tire width direction inner side of and adjacent to the outermost-side circumferential groove is formed at a shallower position near a tread surface between the tread surface and the groove bottom.
    Type: Application
    Filed: May 9, 2018
    Publication date: March 12, 2020
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Naoto OKAZAKI
  • Patent number: 10252573
    Abstract: A tire, wherein, in a cross section in the tire width direction thereof in a state where the tire has substantially not been inflated with no load applied thereon, provided that the maximum height in the tire radial direction of the carcass is h, a radius of curvature of the carcass within a height range 0.91 h-h measured from the radially innermost position of the carcass is R7, an acute inclination angle specifically defined in the height range 0.91 h-h is ?7, the intermediate value of a radius of curvature in the height range 0.82 h-0.91 h is R6, a radius of curvature in the height range 0.63 h-0.82 h is R5, and an acute inclination angle specifically defined in the height range 0.63 h-0.82 h is ?5, R7?0.26h, ?7?14°, R6<R7, R5>R6, and ?5?23°.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: April 9, 2019
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Naoto Okazaki
  • Patent number: 9953808
    Abstract: Provided is an arc evaporation source for melting and evaporating a cathode material by arc discharge for film formation on a surface of a substrate, and including a cathode formed in a substantially disc shape and a magnetic field generating apparatus, disposed at a back side of the cathode. The magnetic field generating apparatus generates a magnetic field which forms magnetic lines that form an acute angle with respect to a substrate direction at an outer circumferential surface of the cathode, magnetic lines that are substantially perpendicular to the discharge surface at an outermost circumference part of the discharge surface of the cathode, and magnetic lines that form an acute angle with respect to a center direction of the cathode at a region towards the outer circumferential surface of the discharge surface of the cathode, by at least one permanent magnet disposed at the back side of the cathode.
    Type: Grant
    Filed: April 30, 2013
    Date of Patent: April 24, 2018
    Assignee: NIPPON ITF, INC.
    Inventors: Naoto Okazaki, Ken Yoshihara, Hiroshi Ishizuka, Tomoyasu Matsuno, Shinji Narahara
  • Patent number: 9944128
    Abstract: A pneumatic tire including: on a tread of the tire, inclined belt layer and circumferential belt layer; and on the tread surface, a plurality of circumferential grooves extending in the tread circumferential direction, and shoulder land portions partitioned between the circumferential grooves located outermost in the tire width direction and tread ground contact ends. Positions of the tread surface that correspond to the outermost ends of the circumferential belt layer in the tire width direction are within the shoulder land portions, and the distance in the tire width direction between the outermost ends in the tire width direction of the circumferential belt layer and tire equator side ends of the shoulder land portions is 12% or more and 22% or less of a half of the width of the circumferential belt layer in tire width direction.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: April 17, 2018
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Naoto Okazaki
  • Patent number: 9902211
    Abstract: This disclosure aims to achieve reduction in rolling resistance and ensure excellent steering stability. In this disclosure, a tire widthwise maximum width of a carcass is 1.35 W or less; a tire outer surface has a recess; within a second height range h2 and on the outer side in a tire radial direction with respect to bead cores, a radius of curvature of the carcass is 0.46 h or more; within a third height range h3, the radius of curvature of the carcass is 0.62 h or more; during movement of a virtual point from a bead core height position Hbc toward a third height position H3, a tire gauge at the virtual point is reduced by a reduction amount of 0.025×G0/mm or less; and the tire gauge at the virtual point at the third height position H3 is 10% or more of the tire widthwise maximum width of the bead core.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: February 27, 2018
    Assignee: BRIDGESTONE CORPORATION
    Inventor: Naoto Okazaki
  • Publication number: 20160325588
    Abstract: A tire, wherein, in a cross section in the tire width direction thereof in a state where the tire has substantially not been inflated with no load applied thereon, provided that the maximum height in the tire radial direction of the carcass is h, a radius of curvature of the carcass within a height range 0.91 h-h measured from the radially innermost position of the carcass is R7, an acute inclination angle specifically defined in the height range 0.91 h-h is ?7, the intermediate value of a radius of curvature in the height range 0.82 h-0.91 h is R6, a radius of curvature in the height range 0.63 h-0.82 h is R5, and an acute inclination angle specifically defined in the height range 0.63 h-0.82 h is ?5, R7?0.26h, ?7?14°, R6<R7, R5>R6, and ?5?23°.
    Type: Application
    Filed: January 16, 2015
    Publication date: November 10, 2016
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Naoto OKAZAKI
  • Publication number: 20160288585
    Abstract: This disclosure aims to achieve reduction in rolling resistance and ensure excellent steering stability. In this disclosure, a tire widthwise maximum width of a carcass is 1.35 W or less; a tire outer surface has a recess; within a second height range h2 and on the outer side in a tire radial direction with respect to bead cores, a radius of curvature of the carcass is 0.46 h or more; within a third height range h3, the radius of curvature of the carcass is 0.62 h or more; during movement of a virtual point from a bead core height position Hbc toward a third height position H3, a tire gauge at the virtual point is reduced by a reduction amount of 0.025×G0/mm or less; and the tire gauge at the virtual point at the third height position H3 is 10% or more of the tire widthwise maximum width of the bead core.
    Type: Application
    Filed: June 12, 2014
    Publication date: October 6, 2016
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Naoto OKAZAKI
  • Publication number: 20160086770
    Abstract: Provided is an arc evaporation source for melting and evaporating a cathode material by arc discharge for film formation on a surface of a substrate, and including a cathode formed in a substantially disc shape and a magnetic field generating apparatus, disposed at a back side of the cathode. The magnetic field generating apparatus generates a magnetic field which forms magnetic lines that form an acute angle with respect to a substrate direction at an outer circumferential surface of the cathode, magnetic lines that are substantially perpendicular to the discharge surface at an outermost circumference part of the discharge surface of the cathode, and magnetic lines that form an acute angle with respect to a center direction of the cathode at a region towards the outer circumferential surface of the discharge surface of the cathode, by at least one permanent magnet disposed at the back side of the cathode.
    Type: Application
    Filed: April 30, 2013
    Publication date: March 24, 2016
    Inventors: NAOTO OKAZAKI, KEN YOSHIHARA, HIROSHI ISHIZUKA, TOMOYASU MATSUNO, SHINJI NARAHARA
  • Publication number: 20160059631
    Abstract: A pneumatic tire including: on a tread of the tire, inclined belt layer and circumferential belt layer; and on the tread surface, a plurality of circumferential grooves extending in the tread circumferential direction, and shoulder land portions partitioned between the circumferential grooves located outermost in the tire width direction and tread ground contact ends. Positions of the tread surface that correspond to the outermost ends of the circumferential belt layer in the tire width direction are within the shoulder land portions, and the distance in the tire width direction between the outermost ends in the tire width direction of the circumferential belt layer and tire equator side ends of the shoulder land portions is 12% or more and 22% or less of a half of the width of the circumferential belt layer in tire width direction.
    Type: Application
    Filed: April 1, 2014
    Publication date: March 3, 2016
    Applicant: BRIDGESTONE CORPORATION
    Inventor: Naoto OKAZAKI
  • Publication number: 20080231884
    Abstract: An ifax communication unit that performs communication of image data through the Internet, which is mounted on an image forming apparatus, includes a destination address table, which is stored in a memory unit, for setting original scanning resolution to resolution defined by a protocol of the Internet. While setting of the scanning resolution is valid, when a user selects transmission of image data by an ifax transmission (E-MAIL) mode, even if the original scanning resolution is set to another resolution in a FAX mode, the resolution is changed to the resolution defined by the protocol and original scanning and transmission is performed.
    Type: Application
    Filed: March 22, 2007
    Publication date: September 25, 2008
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Naoto Okazaki
  • Publication number: 20060132831
    Abstract: In preparation for facsimile transmission, a destination list is displayed. The destination list shows destination-name columns, Fax buttons, and E-mail buttons.
    Type: Application
    Filed: December 16, 2004
    Publication date: June 22, 2006
    Applicants: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki Kaisha
    Inventors: Takao Iwasaki, Naoto Okazaki
  • Patent number: 6962751
    Abstract: Amorphous carbon coated tools include substrates formed from a cubic boron nitride sintered body, a diamond sintered body, a silicon nitride sintered body, or an aluminum oxide-titanium carbide sintered body, and amorphous carbon films thereon to make the cutting edges of the tools. The amorphous carbon films contain hydrogen at 5 atomic percent or below and have a maximum thickness of 0.05 ?m to 0.5 ?m on the cutting edges. The amorphous carbon films are most suitable for applications to cutting tools exemplified by cutters, knives, and slitters, and to indexable inserts used for example in turning tools including drills, endmills, and reamers, and milling cutters.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: November 8, 2005
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Haruyo Fukui, Yoshiharu Utsumi, Miki Irie, Hisanori Ohara, Hideki Moriguchi, Satoru Kukino, Makoto Setoyama, Satoshi Ohtani, Naoto Okazaki, Kiyoshi Ogata
  • Patent number: 6881475
    Abstract: An amorphous carbon coated tool includes a base material of WC base cemented carbide, and an amorphous carbon film formed on this base material. The cobalt content in the base material is at least 12% by mass. The maximum thickness of the amorphous carbon film is at least 0.05 ?m and not more than 0.5 ?m at the cutting edge. The amorphous carbon film is deposited with graphite as the source material by physical vapor deposition in an atmosphere substantially absent of hydrogen. The amorphous carbon film coated tool superior in wear resistance and adhesion resistance is preferably applicable to rotating tools such as drills, end mills and reamers, indexable inserts used for milling cutters and turning tools, and cutting-off tools such as cutters, knives, or slitters.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: April 19, 2005
    Assignees: Sumitomo Electric Industries, Ltd, Nissin Electric Co., Ltd.
    Inventors: Satoshi Ohtani, Naoto Okazaki, Kiyoshi Ogata, Haruyo Fukui, Miki Irie, Yoshiharu Utsumi, Hisanori Ohara, Hideki Moriguchi, Akihiko Ikegaya, Keiichi Tsuda, Makoto Setoyama
  • Publication number: 20030054171
    Abstract: Amorphous carbon coated tools having excellent wear-resistant and anti-adhesion features and methods of producing the same are provided.
    Type: Application
    Filed: June 11, 2002
    Publication date: March 20, 2003
    Inventors: Haruyo Fukui, Yoshiharu Utsumi, Miki Irie, Hisanori Ohara, Hideki Moriguchi, Satoru Kukino, Makoto Setoyama, Satoshi Ohtani, Naoto Okazaki, Kiyoshi Ogata
  • Publication number: 20030049083
    Abstract: An amorphous carbon coated tool includes a base material of WC base cemented carbide, and an amorphous carbon film formed on this base material. The cobalt content in the base material is at least 12% by mass. The maximum thickness of the amorphous carbon film is at least 0.05 &mgr;m and not more than 0.5 &mgr;m at the cutting edge. The amorphous carbon film is deposited with graphite as the source material by physical vapor deposition in an atmosphere substantially absent of hydrogen. The amorphous carbon film coated tool superior in wear resistance and adhesion resistance is preferably applicable to rotating tools such as drills, end mills and reamers, indexable inserts used for milling cutters and turning tools, and cutting-off tools such as cutters, knives, or slitters.
    Type: Application
    Filed: June 11, 2002
    Publication date: March 13, 2003
    Inventors: Satoshi Ohtani, Naoto Okazaki, Kiyoshi Ogata, Haruyo Fukui, Miki Irie, Yoshiharu Utsumi, Hisanori Ohara, Hideki Moriguchi, Akihiko Ikegaya, Keiichi Tsuda, Makoto Setoyama
  • Patent number: 6075953
    Abstract: An image forming apparatus supporting system includes a first control unit to perform a series of controls relative to the main body that performs the image forming operation; a program storage memory connected to the first control unit via an address bus and a data bus; a non-volatile memory to store maintenance data relative to the main body and an interface circuit that enables the interface between the non-volatile memory and an external device. Further, this system includes a second control unit that controls the main body so that maintenance data can be transmitted from a non-volatile memory to the external device via the interface circuit according to input/output items designated by the external device when the first control unit is not performing the control of the image forming operation in the main body.
    Type: Grant
    Filed: August 11, 1998
    Date of Patent: June 13, 2000
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akihiko Kida, Naoto Okazaki
  • Patent number: 5033472
    Abstract: Method and apparatus for analyzing the propagation of arterial pulse waves in a patient's circulatory system. The apparatus comprises R-wave detecting means for outputting an R-wave timing signal at the time of detection of the R-wave component contained in a detected electrocardiographic signal. A pulse wave peak detecting means is provided for outputting a peak timing signal at the time of the detection of a selected peak of the arterial pulse wave detected in the peripheral blood vessels of a patient's circulatory system. A pulse wave propagation time counter is provided for successively counting the time interval from the input of the R-wave timing signal to the input of the peak timing signal, and a pulse wave propagation time analyzer is provided for analyzing the distribution of pulse wave propagation times and other detected biophysiological parameters, from which an effective diagnosis of the condition of the patient's circulatory system can be made.
    Type: Grant
    Filed: February 23, 1989
    Date of Patent: July 23, 1991
    Assignees: Nihon Kohden Corp., Toru Sato
    Inventors: Toru Sato, Naoto Okazaki, Hironami Kubota, Hitoshi Suzuki
  • Patent number: 5027170
    Abstract: This invention is for improving the radiation hardness or radiation resistance of GaAs MESFETs. According to this invention, an n-type active layer is formed by doping in the GaAs crystal. The n-type active layer includes an upper layer and a heavy doped lower layer. A Schottky gate electrode is provided on the active layer so that the carrier concentration in the active layer and the thickness of the active layer are set to required values. According to this invention, not only in the case of a total dose of exposure radiation of R=1.times.10.sup.9 roentgens but also in the case of a higher total dose, at least one of the threshold voltage V.sub.th of the GaAs MESFET, the saturated drain current I.sub.dss there of, or the transconductance g.sub.m will remain in their tolerable ranges.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: June 25, 1991
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Masanori Nishiguchi, Naoto Okazaki