Patents by Inventor Akira Osada

Akira Osada 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: 20200025046
    Abstract: An oil pan disposed underneath an engine of a motorcycle and configured to reserve engine oil includes a shallow bottom portion and a deep bottom portion formed to extend in a front-rear direction of the motorcycle substantially at a center in a left-right direction of the motorcycle of the shallow bottom portion, and to become deeper than the shallow bottom portion, and in which a space defined in the left-right direction of the motorcycle between both side wall portions of the deep bottom portion that face each other in the left-right direction of the motorcycle is formed to increase as the deep bottom portion extends from a front toward a rear thereof with respect to the motorcycle.
    Type: Application
    Filed: July 11, 2019
    Publication date: January 23, 2020
    Applicant: Suzuki Motor Corporation
    Inventors: Shotaro Okazaki, Ryo Nagasawa, Akira Osada
  • Publication number: 20190193623
    Abstract: A control device for a vehicle lamp including an ECU configured to: i) receive a sensor signal and derive a total angle; ii) retain an initial set value of the vehicle posture angle, the initial set value being acquired in an initialization process; iii) retain a reference value of the vehicle posture angle, adjust an optical axis angle of the vehicle lamp in response to a change amount of a total angle during a stop of the vehicle, and retain a sum of the change amount of the total angle and the reference value of the vehicle posture angle as a new reference value; iv) not adjust the optical axis angle in response to a change amount of a total angle during traveling of the vehicle; and v) perform a predetermined reset process when a reset signal is received.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 27, 2019
    Applicant: KOITO MANUFACTURING CO., LTD.
    Inventors: Naoki OSADA, Akira Konishi
  • Patent number: 10292976
    Abstract: The present invention aims to prevent and/or treat malaria using an antimalarial drug comprising, as an active ingredient, a metal chelator represented by the following formula (I), (III), (IV), (V), (VI), or (VII), such as tris(2-pyridylmethyl)amine.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: May 21, 2019
    Assignee: RIKEN
    Inventors: Akira Wada, Hiroki Hayase, Nobumoto Watanabe, Hiroyuki Osada, Takeshi Shimizu, Konstanty Wierzba
  • Patent number: 9797040
    Abstract: A hard coating layer on a cutting tool includes at least a Ti and Al complex nitride or carbonitride layer and has an average layer thickness of 1 to 20 ?m. In a case where a composition of the complex nitride or carbonitride layer is expressed by: (Ti1-xAlx)(CyN1-y), a content ratio x and a content ratio y satisfy 0.60?x?0.95 and 0?y?0.005, where x and y are in atomic ratio. Crystal grains constituting the complex nitride or carbonitride layer include cubic phase crystal grains and hexagonal phase crystal grains. An area ratio occupied by the cubic phase crystal grains is 30-80%. An average grain width W is 0.05-1.0 ?m. An average aspect ratio A of the crystal grains with the cubic grain structure is 5 or less. A periodic content ratio change of Ti and Al in (Ti1-xAlx)(CyN1-y) exists in each of the cubic phase crystal grains.
    Type: Grant
    Filed: April 1, 2014
    Date of Patent: October 24, 2017
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Sho Tatsuoka, Kenji Yamaguchi, Akira Osada
  • Patent number: 9782830
    Abstract: A surface-coated cutting tool includes a lower layer including a Ti compound layer, an intermediate layer including an ?-Al2O3 layer, and an upper layer including a Zr-containing ?-Al2O3 layer. The outermost layer of the lower layer contains 0.5 to 3 at % of oxygen. The frequencies of inclination angles between a normal line to a (0001) plane of Al2O3 grains of the intermediate layer and a normal line to a surface of a tool body have a highest peak in an inclination angle division of 0 to 10°. The ratio of the frequencies is 50 to 70%. The frequencies between the normal line to the (0001) plane of Al2O3 grains of the entirety of the intermediate and the upper layers and the normal line to the tool body surface have a highest peak in an inclination angle division of 0 to 10°. The ratio of the frequencies is 75% or more.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: October 10, 2017
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Masaki Okude, Kenji Yamaguchi, Akira Osada
  • Patent number: 9636748
    Abstract: A surface-coated cutting tool with a hard coating layer exhibiting an excellent flaking and chipping resistance in a high-speed heavy and intermittent cutting is provided. The vapor-deposited hard coating layer has a lower layer (Ti compound layer) and an upper layer (?-type Al2O3 layer). Thirty to 70% of Al2O3 crystal grains directly above the lower layer are oriented to (11-20) plane. Forty-five % or more of all of the Al2O3 crystal grains are oriented to (0001) plane. Preferably, the outermost surface layer of the lower layer is an oxygen-containing TiCN layer having oxygen content of 0.5 to 3 atomic % only within the depth region of 500 nm. The ratio of the number of Al2O3 crystal grains directly above the outermost surface layer to the number of crystal grains of the Ti carbonitride layer in the outermost surface layer is 0.01 to 0.5 in the interface.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: May 2, 2017
    Assignee: Mitsubishi Materials Corporation
    Inventors: Kohei Tomita, Akira Osada
  • Patent number: 9452478
    Abstract: A surface-coated cutting tool includes a body and a hard coating layer coating the cutting tool body. In the surface-coated cutting tool, the (Ti1-XAlX)(CYN1-Y) layer with a cubic crystal structure (X and Y are atomic ratio, and satisfy 0.60?X?0.90 and 0.0005?Y?0.005, respectively) is vapor-deposited on the body by a chemical vapor deposition method. The Al content XL is 0.55?XL?0.70, and the grain size DL is 0.1 ?m or less in the (Ti1-XAlX)(CYN1-Y) layer near the interface between the body and the complex carbonitride layer. The Al content XH 0.80?XH?0.95 and the average grain size DH is 0.5 ?m to 2 ?m in the (Ti1-XAlX)(CYN1-Y) layer near the outer surface side. Furthermore, the Al content ratio and the grain size in the (Ti1-XAlX)(CYN1-Y) layer gradually increase to the outer surface side.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: September 27, 2016
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Makoto Igarashi, Sho Tatsuoka, Naoyuki Iwasaki, Akira Osada
  • Patent number: 9415446
    Abstract: A coated tool with a hard coating layer, which has an excellent hardness and heat insulating effect; and exhibits an excellent chipping resistance and an excellent fracturing resistance for a long-term usage, is provided. The hard coating layer included in the coated tool has a chemically vapor deposited alternate laminated structure, which is made of: a region A layer and a region B layer, each of which is expressed by the composition formula of (Ti1-xAlx)(CyN1-y); and has the average total layer thickness of 1-10 ?m. In the region A layer, relationships, 0.70?x?0.80 and 0.0005?y?0.005, are satisfied; the average grain width W is 0.1 ?m or less; and the average grain length L is 0.1 ?m or less. In the region B layer, relationships, 0.85?x?0.95 and 0.0005?y?0.005, are satisfied; the average grain width W is 0.1-2.0 ?m; and the average grain length L is 0.5-5.0 ?m.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: August 16, 2016
    Assignee: Mitsubishi Materials Corporation
    Inventors: Sho Tatsuoka, Naoyuki Iwasaki, Kenji Yamaguchi, Akira Osada
  • Publication number: 20160040285
    Abstract: A hard coating layer on a cutting tool includes at least a Ti and Al complex nitride or carbonitride layer and has an average layer thickness of 1 to 20 ?m. In a case where a composition of the complex nitride or carbonitride layer is expressed by: (Ti1-xAlx)(CyN1-y), a content ratio x and a content ratio y satisfy 0.60?x?0.95 and 0?y?0.005, where x and y are in atomic ratio. Crystal grains constituting the complex nitride or carbonitride layer include cubic phase crystal grains and hexagonal phase crystal grains. An area ratio occupied by the cubic phase crystal grains is 30-80%. An average grain width W is 0.05-1.0 ?m. An average aspect ratio A of the crystal grains with the cubic grain structure is 5 or less. A periodic content ratio change of Ti and Al in (Ti1-xAlx)(CyN1-y) exists in each of the cubic phase crystal grains.
    Type: Application
    Filed: April 1, 2014
    Publication date: February 11, 2016
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Sho TATSUOKA, Kenji YAMAGUCHI, Akira OSADA
  • Publication number: 20160001375
    Abstract: A surface-coated cutting tool includes a lower layer including a Ti compound layer, an intermediate layer including an ?-Al2O3 layer, and an upper layer including a Zr-containing ?-Al2O3 layer. The outermost layer of the lower layer contains 0.5 to 3 at % of oxygen. The frequencies of inclination angles between a normal line to a (0001) plane of Al2O3 grains of the intermediate layer and a normal line to a surface of a tool body have a highest peak in an inclination angle division of 0 to 10°. The ratio of the frequencies is 50 to 70%. The frequencies of between the normal line to the (0001) plane of Al2O3 grains of the entirety of the intermediate and the upper layers and the normal line to the tool body surface have a highest peak in an inclination angle division of 0 to 10°. The ratio of the frequencies is 75% or more.
    Type: Application
    Filed: February 26, 2014
    Publication date: January 7, 2016
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Masaki Okude, Kenji Yamaguchi, Akira Osada
  • Publication number: 20150217378
    Abstract: A coated tool with a hard coating layer, which has an excellent hardness and heat insulating effect; and exhibits an excellent chipping resistance and an excellent fracturing resistance for a long-term usage, is provided. The hard coating layer included in the coated tool has a chemically vapor deposited alternate laminated structure, which is made of: a region A layer and a region B layer, each of which is expressed by the composition formula of (Ti1-xAlx)(CYN1-y); and has the average total layer thickness of 1-10 ?m. In the region A layer, relationships, 0.70?x?0.80 and 0.0005?y?0.005, are satisfied; the average grain width W is 0.1 ?m or less; and the average grain length L is 0.1 ?m or less. In the region B layer, relationships, 0.85?x?0.95 and 0.0005?y?0.005, are satisfied; the average grain width W is 0.1-2.0 ?m; and the average grain length L is 0.5-5.0 ?m.
    Type: Application
    Filed: August 28, 2013
    Publication date: August 6, 2015
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Sho Tatsuoka, Naoyuki Iwasaki, Kenji Yamaguchi, Akira Osada
  • Publication number: 20150158094
    Abstract: A surface-coated cutting tool includes a body and a hard coating layer coating the cutting tool body. In the surface-coated cutting tool, the (Ti1-XAlX)(CYN1-Y) layer with a cubic crystal structure (X and Y are atomic ratio, and satisfy 0.600?X?0.90 and 0.0005?Y?0.005, respectively) is vapor-deposited on the body by a chemical vapor deposition method. The Al content XL is 0.55?XL?0.70, and the grain size DL is 0.1 ?m or less in the (Ti1-XAlX)(CYN1-Y) layer near the interface between the body and the complex carbonitride layer. The Al content XH 0.80?XH?0.95 and the average grain size DH is 0.5 ?m to 2 ?m in the (Ti1-XAlX)(CYN1-Y) layer near the outer surface side. Furthermore, the Al content ratio and the grain size in the (Ti1-XAlX)(CYN1-Y) layer gradually increase to the outer surface side.
    Type: Application
    Filed: March 11, 2013
    Publication date: June 11, 2015
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Makoto Igarashi, Sho Tatsuoka, Naoyuki Iwasaki, Akira Osada
  • Patent number: 8962126
    Abstract: A surface-coated cutting tool, which has a hard-coating layer with excellent chipping and fracturing resistances in a high speed intermittent cutting work, is provided. The surface-coated cutting tool includes a cutting tool body, which is made of WC cemented carbide or TiCN-based cermet, and a hard-coating layer, which is vapor deposited on the cutting tool body and has a lower layer and an upper layer. The lower layer is a Ti compound layer, and the upper layer is an aluminum oxide layer. There is a micropore-rich layer in the lower layer in the vicinity of the interface between the lower and upper layers. There are micropores with diameters of 2 to 70 nm in the micropore-rich layer. The diameters of the micropores in the micropore-rich layer shows a bimodal distribution pattern.
    Type: Grant
    Filed: February 2, 2012
    Date of Patent: February 24, 2015
    Assignee: Mitsubishi Materials Corporation
    Inventors: Sho Tatsuoka, Kohei Tomita, Akira Osada, Eiji Nakamura
  • Patent number: 8895110
    Abstract: A method of manufacturing a surface-coated cutting tool includes: forming an aluminum oxide layer having a layer thickness of 0.05 to 5 ?m and an ?-alumina structure with a corundum type crystal structure on a cutting tool body using a sol-gel method. The step of forming includes adding an alcohol to aluminum alkoxide; adding an acid; stirring the mixture at 10° C. or lower to form a sol; applying the sol on a surface of the cutting tool body or an outer-most surface of a hard-coating layer formed on the surface of the cutting tool body; performing a drying process at least once, the applied sol being dried at 100 to 400° C. in the drying process; and annealing the cutting tool body with a dried sol layer at 500 to 1000° C.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: November 25, 2014
    Assignees: Mitsubishi Materials Corporation, National University Corporaiton Shizuoka University, Tokyo Institute of Technology
    Inventors: Hidemitsu Takaoka, Akira Osada, Naoki Wakiya, Hisao Suzuki, Kazuo Shinozaki
  • Publication number: 20140287210
    Abstract: A surface-coated cutting tool with a hard coating layer exhibiting an excellent flaking and chipping resistance in a high-speed heavy and intermittent cutting is provided. The vapor-deposited hard coating layer has a lower layer (Ti compound layer) and an upper layer (?-type Al2O3 layer). Thirty to 70% of Al2O3 crystal grains directly above the lower layer are oriented to (11-20) plane. Forty-five % or more of all of the Al2O3 crystal grains are oriented to (0001) plane. Preferably, the outermost surface layer of the lower layer is an oxygen-containing TiCN layer having oxygen content of 0.5 to 3 atomic % only within the depth region of 500 nm n. The ratio of the number of Al2O3 crystal grains directly above the outermost surface layer to the number of crystal grains of the Ti carbonitride layer in the outermost surface layer is 0.01 to 0.5 in the interface.
    Type: Application
    Filed: August 31, 2012
    Publication date: September 25, 2014
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kohei Tomita, Akira Osada
  • Patent number: 8828527
    Abstract: A surface-coated cutting tool includes a tool substrate made of tungsten carbide-based cemented carbide or titanium carbonitride-based cermet; and a hard coating layer formed by vapor-depositing in order, a lower layer (a), an intermediate layer (b), and an upper layer (c) on the tool substrate. The lower layer (a) is a Ti layer composed of one or more of a titanium carbide layer, a titanium nitride layer, a titanium carbonitride layer, a titanium carboxide layer, and a titanium oxycarbonitride layer, and having a thickness of 3 to 20 ?m. The intermediate layer (b) is an aluminum oxide layer having a thickness of 1 to 5 ?m, and having an ?-type crystal structure in a chemically vapor-deposited state. The upper layer (c) is an aluminum oxide layer having a thickness of 2 to 15 ?m, and containing one or more elements of Ti, Y, Zr, Cr, and B.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: September 9, 2014
    Assignee: Mitsubishi Materials Corporation
    Inventors: Kohei Tomita, Makoto Igarashi, Akira Osada, Eiji Nakamura
  • Patent number: 8758907
    Abstract: Provided is a surface coated cutting tool in which a hard coating layer exhibits excellent chipping resistance in high-speed intermittent cutting processes. In the surface coated cutting tool having the hard coating layer including a lower layer (Ti compound layer) and an upper layer (Al2O3 layer) formed by vapor-deposition on the surface of the cutting tool body constituted by a WC-based cemented carbide or TiCN-based cermet, the ratio b/a of the number a of crystal grains in the Ti compound layer present in the interface to which the lower layer and the upper layer are adjacent to the number b of crystal grains in the Al2O3 layer is 4?b/a?20, and, furthermore, the average grain diameter of crystal grains in the Ti compound layer immediately below the Al2O3 layer is 0.5 ?m or less.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: June 24, 2014
    Assignee: Mitsubishi Materials Corporation
    Inventors: Makoto Igarashi, Kohei Tomita, Eiji Nakamura, Akira Osada
  • Publication number: 20120269589
    Abstract: Provided is a surface coated cutting tool in which a hard coating layer exhibits excellent chipping resistance in high-speed intermittent cutting processes. In the surface coated cutting tool having the hard coating layer including a lower layer (Ti compound layer) and an upper layer (Al2O3 layer) formed by vapor-deposition on the surface of the cutting tool body constituted by a WC-based cemented carbide or TiCN-based cermet, the ratio b/a of the number a of crystal grains in the Ti compound layer present in the interface to which the lower layer and the upper layer are adjacent to the number b of crystal grains in the Al2O3 layer is 4<b/a<20, and, furthermore, the average grain diameter of crystal grains in the Ti compound layer immediately below the Al2O3 layer is 0.5 ?m or less.
    Type: Application
    Filed: November 1, 2010
    Publication date: October 25, 2012
    Applicant: MITSUBISHI MATERIALS CORPORATION
    Inventors: Makoto Igarashi, Kohei Tomita, Eiji Nakamura, Akira Osada
  • Publication number: 20120219720
    Abstract: A method of manufacturing a surface-coated cutting tool includes: forming an aluminum oxide layer having a layer thickness of 0.05 to 5 ?m and an ?-alumina structure with a corundum type crystal structure on a cutting tool body using a sol-gel method. The step of forming includes adding an alcohol to aluminum alkoxide; adding an acid; stirring the mixture at 10° C. or lower to form a sol; applying the sol on a surface of the cutting tool body or an outer-most surface of a hard-coating layer formed on the surface of the cutting tool body; performing a drying process at least once, the applied sol being dried at 100 to 400° C. in the drying process; and annealing the cutting tool body with a dried sol layer at 500 to 1000° C.
    Type: Application
    Filed: February 22, 2012
    Publication date: August 30, 2012
    Applicants: Mitsubishi Materials Corporation, Tokyo Institute of Technology, National University Corporation Shizuoka University
    Inventors: Hidemitsu TAKAOKA, Akira Osada, Naoki Wakiya, Hisao Suzuki, Kazuo Shinozaki
  • Publication number: 20120202032
    Abstract: A surface-coated cutting tool, which has a hard-coating layer with excellent chipping and fracturing resistances in a high speed intermittent cutting work, is provided. The surface-coated cutting tool includes a cutting tool body, which is made of WC cemented carbide or TiCN-based cermet, and a hard-coating layer, which is vapor deposited on the cutting tool body and has a lower layer and an upper layer. The lower layer is a Ti compound layer, and the upper layer is an aluminum oxide layer. There is a micropore-rich layer in the lower layer in the vicinity of the interface between the lower and upper layers. There are micropores with diameters of 2 to 70 nm in the micropore-rich layer. The diameters of the micropores in the micropore-rich layer shows a bimodal distribution pattern.
    Type: Application
    Filed: February 2, 2012
    Publication date: August 9, 2012
    Applicant: Mitsubishi Materials Corporation
    Inventors: Sho TATSUOKA, Kohei TOMITA, Akira OSADA, Eiji NAKAMURA