Patents by Inventor Tadashi Ito
Tadashi Ito 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).
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Publication number: 20210017632Abstract: A cemented carbide may include a hard phase that may include W and C, a first solid solution phase and a second solid solution phase, each of which may include W, C, Ti and Zr, and a binder phase that may include an iron group metal. The cemented carbide may include 1.0-3.0 mass % of the Ti in terms of TiC, and 0.75-2.0 mass % of the Zr in terms of ZrC. An amount of the Ti in terms of TiC may be more than 1 time and less than three times an amount of the Zr in terms of ZrC. The first solid solution phase may satisfy a relationship of 0.1?Ti/(Ti+Zr)<0.4 in terms of atomic ratio. The second solid solution phase satisfies a relationship of 0.7?Ti/(Ti+Zr)?0.9 in terms of atomic ratio.Type: ApplicationFiled: March 29, 2019Publication date: January 21, 2021Inventors: Hirotoshi ITO, Kou RI, Tadashi KATSUMA
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Publication number: 20210016362Abstract: A cemented carbide may include a hard phase including W and C, and a binder phase including cubic Co. The binder phase may include Zr. The Co may include a lattice constant of more than 3.5575 ? and not more than 3.5600 ?. A coated tool may include a coating layer located on a surface of the cemented carbide. A cutting tool may include a holder that is extended from a first end toward a second end and may include a pocket on a side of the first end, and the coated tool located in the pocket.Type: ApplicationFiled: March 29, 2019Publication date: January 21, 2021Inventors: Hirotoshi ITO, Kou RI, Tadashi KATSUMA
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Publication number: 20200400915Abstract: A drive unit includes: a fixed barrel; a movable barrel; a magnet unit including a first magnet, a second magnet, and a third magnet being polarized in an optical axis direction L such that magnetic poles of the third magnet have the same polarities as a magnetic pole of the first magnet at an outer side in the radial direction and a magnetic pole of the second magnet at an outer side in the radial direction; a coil unit including a first coil and a second coil; and a movable range restricting member.Type: ApplicationFiled: September 3, 2020Publication date: December 24, 2020Applicant: OLYMPUS CORPORATIONInventor: Tadashi ITO
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Publication number: 20200398744Abstract: A lighting device includes an indoor lamp (11), being provided in the cabin of a railroad vehicle (1) in order to wholly irradiate the inside of the cabin over the longitudinal direction of the vehicle, a vehicle body power supply (20), supplying electric power to the indoor lamp (11), and a storage battery (30), being charged with a voltage applied by the vehicle body power supply (20). The indoor lamp (11) includes a general lamp light source (12) and a standby lamp light source (13), being lighted at an illuminance lower than that at which the general lamp light source (12) is lighted, and the general lamp source (12) being supplied with electric power from the vehicle body power supply (20) not through the storage battery (30), while the standby lamp light source (13) being supplied with electric power from the vehicle body power supply (20) through the storage battery (30).Type: ApplicationFiled: March 8, 2019Publication date: December 24, 2020Inventors: Tadashi FUJII, Hideto SANUI, Jun ITO, Hajime SUZUKI, Youmei KAMINAGA, Takayuki IZUMI, Kazuo MARUYAMA
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Patent number: 10850466Abstract: A dynamic balance device for a press machine includes a plurality of cam portions which transmit a vertical motion of a slide to a balance weight to move the balance weight in a reverse direction of the vertical motion of the slide. The cam portions are each movable in a direction substantially orthogonal to a moving direction of the slide, and each include a first inclined surface and a second inclined surface. The first inclined surface has an inclination angle corresponding to an inclination angle of an inclined surface formed on a member which is provided integrally with the slide and vertically moves with the slide. The second inclined surface has an inclination angle corresponding to an inclination angle of an inclined surface formed on the balance weight.Type: GrantFiled: June 13, 2016Date of Patent: December 1, 2020Assignee: AIDA ENGINEERING LTD.Inventors: Takao Ito, Tadashi Nishimura
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Publication number: 20200303628Abstract: According to one embodiment, a magnetic memory device includes a stacked structure including a first magnetic layer having a variable magnetization direction, a second magnetic layer having a fixed magnetization direction, and a nonmagnetic layer provided between the first magnetic layer and the second magnetic layer, and containing magnesium (Mg) and oxygen (O). The nonmagnetic layer further contains an additive element selected from fluorine (F), sulfur (S), hydrogen (H) and lithium (Li).Type: ApplicationFiled: September 13, 2019Publication date: September 24, 2020Applicant: TOSHIBA MEMORY CORPORATIONInventors: Tadaomi DAIBOU, Yasushi NAKASAKI, Tadashi KAI, Hiroki KAWAI, Takamitsu ISHIHARA, Junichi ITO
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Patent number: 10783538Abstract: A relay server applies rewards in a rewards system that includes the relay server, a point of sale terminal, and a reward management server. The relay server includes a storage device, a communication interface, and a processor. The communication interface receives an update request for updating an accumulated reward provided to a customer, and transmits, to the reward management server, the update request. The storage device stores update request data indicating the update request was transmitted to the reward management server. The communication interface receives a reward updated result indicating that the accumulated reward provided to the customer was updated. When the reward updated result is not received within a predetermined time, the communication interface transmits, to the point of sale terminal, a reward update pending result indicating that the update request is pending.Type: GrantFiled: June 18, 2018Date of Patent: September 22, 2020Assignee: TOSHIBA TEC KABUSHIKI KAISHAInventor: Tadashi Ito
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Patent number: 10760066Abstract: Provided is a technique for enabling a liquid of microbial cells having an enzymatic activity to be easily stored and used. The technique is a method for killing a microorganism while maintaining the enzyme titer of a microbial cell liquid, characterized by including adjusting the pH of a liquid of microbial cells having an enzymatic activity, and then performing a heating treatment of the liquid, and also the technique is a method for killing a microorganism while maintaining the enzyme titer of a microbial cell liquid, characterized by including adding a carbohydrate to a liquid of microbial cells having an enzymatic activity, and then performing a heating treatment of the liquid.Type: GrantFiled: June 26, 2018Date of Patent: September 1, 2020Assignee: Kabushiki Kaisha Yakult HonshaInventors: Masakazu Ikeda, Tadashi Sato, Keiko Kasaha, Masahiko Ito
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Patent number: 10745772Abstract: The present invention provides an age hardening type bainitic microalloyed steel having a composition which includes, in terms of mass %: 0.06-0.35% of C; 0.01-2.00% of Si; 0.10-3.00% of Mn; 0.001-0.200% of S; 0.001-2.00% of Cu; 0.40-3.00% of Ni; 0.10-3.00% of Cr; 0.10-1.00% of Mo; 0.10-1.00% of V; and 0.001-0.100% of s-Al, with the remainder being Fe and unavoidable impurities, and which satisfies a value of the following expression (1) to be 20 or larger and a value of the following expression (2) to be 0.82 or larger: 3×[C]+10×[Mn]+2×[Cu]+2×[Ni]+12×[Cr]+9×[Mo]+2×[V]??expression (1); 1.66×[C]+0.18×[Si]+0.27×[Mn]+0.09×[Ni]+0.32×[Cr]+0.34×[Mo]+0.44×[V]??expression (2), in which each [ ] in the expression (1) and the expression (2) indicates a content of the element shown therein in terms of mass %.Type: GrantFiled: March 3, 2015Date of Patent: August 18, 2020Assignees: DAIDO STEEL CO., LTD., DENSO CORPORATIONInventors: Yuuki Tanaka, Makoto Haritani, Takahiro Miyazaki, Kouji Morita, Yoshihiro Tanimura, Toshimasa Ito, Tadashi Nishiwaki, Tomomitsu Fukuoka
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Patent number: 10738905Abstract: A piezoelectric valve, having superior responsiveness during valve opening and capability to stabilize gas supply at an early stage, includes a gas pressure chamber receiving compressed gas and an exhaust path discharging the compressed gas from the gas pressure chamber; a valve disc placed in the gas pressure chamber to open and close the exhaust path; a piezoelectric element generating a driving force for operation of the valve disc, as a displacement; a displacement magnifying mechanism magnifying the displacement of the piezoelectric element and applying the magnified displacement to the valve disc; and driving means including a signal generator generating a signal including a first prepulse, a second prepulse, and a main pulse, applies a drive voltage to the piezoelectric element using the signal generated by the signal generator, as an input signal to a drive circuit, and drives and opens the valve disc by expanding the piezoelectric element.Type: GrantFiled: January 24, 2017Date of Patent: August 11, 2020Assignees: SATAKE CORPORATION, MECHANO TRANSFORMER CORPORATIONInventors: Takafumi Ito, Hironori Arii, Tadashi Matsushita, Sze Keat Chee, Takeshi Yano, Toshiro Higuchi
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Publication number: 20200249499Abstract: A designing method of a pair of spectacle lenses, which includes a right-eye spectacle lens and a left-eye spectacle lens, includes a process of designing the pair of spectacle lenses; a power error (unit: diopter (D)) that compensates for a difference between a response of accommodation of a right eye and a response of accommodation of a left eye of a wearer, wherein a response of accommodation (unit: diopter (D)) of each eye is a difference AC (=applied accommodation ACN?applied accommodation ACF) between an applied accommodation ACF of the eye of the wearer exhibited when the wearer views an object at a distance f and an applied accommodation ACN of the eye of the wearer exhibited when viewing an object at a distance n shorter than the distance f.Type: ApplicationFiled: March 26, 2019Publication date: August 6, 2020Applicant: HOYA LENS THAILAND LTD.Inventors: Ayumu ITO, Toshiaki SONEHARA, Tadashi KAGA
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Patent number: 10732401Abstract: An optical unit includes: a fixing part including a front frame portion, a rear frame portion, and a fixing part main body; a movable part arranged slidably relative to the fixing part main body; and a voice coil motor including a magnetic portion, and a coil arranged at the fixing part main body and positioned on a radially outer side of the fixing part main body with respect to the magnetic portion, the voice coil motor being capable of moving the movable part relative to the fixing part main body along a direction of the optical axis. A maximum dimension of the fixing part main body in a first direction parallel to a magnetization direction of the magnetic portion is greater than a maximum dimension of the fixing part main body in a second direction perpendicular to the first direction and the direction of the optical axis.Type: GrantFiled: November 28, 2017Date of Patent: August 4, 2020Assignee: OLYMPUS CORPORATIONInventor: Tadashi Ito
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Patent number: 10707356Abstract: According to one embodiment, a magnetic memory device includes a stacked structure including first and second magnetic layers having variable and fixed magnetization directions, respectively, and a nonmagnetic layer provided between the first and second magnetic layers and containing a first compound containing first cationic and anionic elements, and a predetermined-material layer provided around side surfaces of the stacked structure and containing a second compound containing second added cationic and second added anionic elements. An absolute value of a valence number (ionic valency) of the second added cationic element is less than that of the first cationic element, and an absolute value of a valence number (ionic valency) of the second added anionic element is less than that of the first anionic element.Type: GrantFiled: March 14, 2019Date of Patent: July 7, 2020Assignee: TOSHIBA MEMORY CORPORATIONInventors: Megumi Yakabe, Yasushi Nakasaki, Tadaomi Daibou, Tadashi Kai, Junichi Ito, Masahiro Koike, Shogo Itai, Takamitsu Ishihara
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Patent number: 10642070Abstract: Progressive addition lens includes a near portion having a power for viewing a near field, a distance portion having a power for viewing a distance field further than the near field, and an intermediate portion connecting the distance portion and the near portion. The progressive addition lens includes an aspherical object-side surface and an aspherical eyeball-side surface and is formed in rotational symmetry with respect to a center of design of the progressive addition lens. The object-side surface includes a first stable region formed in rotational symmetry with respect to the center of design and including the center of design, and an aspherical region arranged outside of the first stable region to contact the first stable region and formed in rotational symmetry with respect to the center of design. A Peak to Valley value of a mean surface refractive power in the first stable region is 0.12 D or less.Type: GrantFiled: June 3, 2015Date of Patent: May 5, 2020Assignee: HOYA LENS THAILAND LTD.Inventors: Tadashi Kaga, Toshihide Shinohara, Ayumu Ito, Hiroshi Asami
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Patent number: 10638611Abstract: Disclosed herein is a coil component that includes a first planar spiral conductor; a second planar spiral conductor laminated on the first planar spiral conductor and wound in an opposite direction to the first planar spiral conductor; a first external terminal electrically connected to an outer peripheral end of the first planar spiral conductor; a second external terminal electrically connected to an outer peripheral end of the second planar spiral conductor; and a third external terminal electrically connected in common to inner peripheral ends of the first and second planar spiral conductors.Type: GrantFiled: October 14, 2016Date of Patent: April 28, 2020Assignee: TDK CORPORATIONInventors: Tomonaga Nishikawa, Kouji Kawamura, Tomokazu Ito, Tadashi Watanabe, Mitsuhiko Endo, Fumio Watanabe
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Patent number: 10590219Abstract: A retardation material-forming resin composition for providing an orientation material that has high photoreaction efficiency and with which a polymerizable crystal can be aligned in a highly sensitive manner. A retardation material-forming resin composition being thermally curable wherein including a resin (component (A)) having a photo-aligning group to which a thermally reactive moiety is bonded directly or connected via a linking group; an orientation material obtained by use of the composition, and a retardation material formed by use of a cured film obtained from the composition.Type: GrantFiled: August 17, 2018Date of Patent: March 17, 2020Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Shojiro Yukawa, Jun Ito, Kohei Goto, Yuta Kanno, Hiroyuki Omura, Tadashi Hatanaka
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Publication number: 20200083432Abstract: According to one embodiment, a magnetic storage device includes: a magnetoresistive effect element including a non-magnet, and a stacked structure on the non-magnet, the stacked structure including: a first ferromagnet on the non-magnet; an anti-ferromagnet being exchange-coupled with the first ferromagnet; and a second ferromagnet between the first ferromagnet and the anti-ferromagnet. The stacked structure is configured to: have a first resistance value in response to a first current flowing through the stacked structure in a first direction, and have a second resistance value different from the first resistance value in response to a second current flowing through the stacked structure in a second direction opposite to the first direction.Type: ApplicationFiled: March 13, 2019Publication date: March 12, 2020Applicant: TOSHIBA MEMORY CORPORATIONInventors: Takeshi IWASAKI, Akiyuki MURAYAMA, Tadashi KAI, Tadaomi DAIBOU, Masaki ENDO, Shumpei OMINE, Taichi IGARASHI, Junichi ITO
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Publication number: 20200083289Abstract: According to one embodiment, a magnetic memory device includes a stacked structure including first and second magnetic layers having variable and fixed magnetization directions, respectively, and a nonmagnetic layer provided between the first and second magnetic layers and containing a first compound containing first cationic and anionic elements, and a predetermined-material layer provided around side surfaces of the stacked structure and containing a second compound containing second added cationic and second added anionic elements. An absolute value of a valence number (ionic valency) of the second added cationic element is less than that of the first cationic element, and an absolute value of a valence number (ionic valency) of the second added anionic element is less than that of the first anionic element.Type: ApplicationFiled: March 14, 2019Publication date: March 12, 2020Applicant: TOSHIBA MEMORY CORPORATIONInventors: Megumi YAKABE, Yasushi NAKASAKI, Tadaomi DAIBOU, Tadashi KAI, Junichi ITO, Masahiro KOIKE, Shogo ITAI, Takamitsu ISHIHARA
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Publication number: 20200083431Abstract: According to one embodiment, a storage device includes a magnetoresistive effect element comprising a nonmagnetic layer and a stacked body on the nonmagnetic layer. The stacked body includes a first ferromagnetic layer on the nonmagnetic layer, a second ferromagnetic layer exchange-coupled with the first ferromagnetic layer, and a magnetic layer between the first ferromagnetic layer and the second ferromagnetic layer. The magnetic layer includes a magnetic material and at least one compound selected from among a carbide, a nitride, and a boride.Type: ApplicationFiled: March 1, 2019Publication date: March 12, 2020Inventors: Takeshi IWASAKI, Akiyuki MURAYAMA, Tadashi KAI, Tadaomi DAIBOU, Masaki ENDO, Shumpei OMINE, Taichi IGARASHI, Junichi ITO
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Patent number: D884557Type: GrantFiled: December 21, 2016Date of Patent: May 19, 2020Assignees: Hitachi, Ltd., Central Japan Railway Company, A & F CorporationInventors: Yukinobu Abe, Tohru Watanabe, Kiyoshi Morita, Takashi Furukawa, Yuuji Ueno, Hajime Ito, Yuichi Ahiko, Hiroki Shimoyama, Tadashi Fujii, Eiji Sato, Kyohei Suzuki, Tetsuo Fukuda, Ichiro Fukuda