Patents by Inventor Shinya Aikawa
Shinya Aikawa 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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Patent number: 11264672Abstract: According to embodiments, a pressure relief mechanism comprises a case with an installation hole formed therein, and a pressure relief valve. The pressure relief valve comprises an insertion portion which comprising a vent path formed in an axial portion of the insertion portion and a slit formed in a peripheral wall portion of the insertion portion so as to communicate with the vent path, a pedestal portion provided at an outer end of the insertion portion, a locking portion provided at an inner end of the insertion portion and locked on an inner edge of the installation hole, and a ring-like seal member interposed between around the installation hole and the pedestal portion, the seal portion comprising an elastic member.Type: GrantFiled: August 28, 2019Date of Patent: March 1, 2022Assignees: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takaya Ogawa, Kaoru Koiwa, Keitaro Hino, Shinya Aikawa, Hiroaki Asai
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Patent number: 11081757Abstract: According to embodiments, a battery includes: a rectangular box-shaped battery case, an inner portion of which is sealed; a battery module housed in the battery case and being an aggregation of a plurality of battery cells; and a tubular heat resistant sheet arranged between the battery case and the battery module in a state of covering an entire side surface of an inner wall surface of the battery case.Type: GrantFiled: June 28, 2018Date of Patent: August 3, 2021Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takaya Ogawa, Keitaro Hino, Tadashi Fujisawa, Shinya Aikawa, Hiroaki Asai, Tomonori Ezoe, Seiji Ito
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Patent number: 10741816Abstract: According to one embodiment, a battery module includes a block-like battery cell unit in which a plurality of battery cells and a plurality of separators are stacked, and a frame which constrains the battery cell unit in a stacking direction of the battery cells and the separators. The frame is opposed to angular portions of end separators located at respective ends of the battery cell unit, as viewed in the stacking direction, and defines gaps with reference to the angular portions of the end separators.Type: GrantFiled: June 30, 2017Date of Patent: August 11, 2020Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Takaya Ogawa, Shinya Aikawa, Masato Iwata, Keitaro Hino, Hiroaki Asai
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Patent number: 10529969Abstract: According to embodiments, a pressure relief mechanism comprises a case with an installation hole formed therein, and a pressure relief valve. The pressure relief valve comprises an insertion portion which comprising a vent path formed in an axial portion of the insertion portion and a slit formed in a peripheral wall portion of the insertion portion so as to communicate with the vent path, a pedestal portion provided at an outer end of the insertion portion, a locking portion provided at an inner end of the insertion portion and locked on an inner edge of the installation hole, and a ring-like seal member interposed between around the installation hole and the pedestal portion, the seal portion comprising an elastic member.Type: GrantFiled: September 14, 2017Date of Patent: January 7, 2020Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takaya Ogawa, Kaoru Koiwa, Keitaro Hino, Shinya Aikawa, Hiroaki Asai
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Publication number: 20190386271Abstract: According to embodiments, a pressure relief mechanism comprises a case with an installation hole formed therein, and a pressure relief valve. The pressure relief valve comprises an insertion portion which comprising a vent path formed in an axial portion of the insertion portion and a slit formed in a peripheral wall portion of the insertion portion so as to communicate with the vent path, a pedestal portion provided at an outer end of the insertion portion, a locking portion provided at an inner end of the insertion portion and locked on an inner edge of the installation hole, and a ring-like seal member interposed between around the installation hole and the pedestal portion, the seal portion comprising an elastic member.Type: ApplicationFiled: August 28, 2019Publication date: December 19, 2019Applicants: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takaya OGAWA, Kaoru KOIWA, Keitaro HINO, Shinya AIKAWA, Hiroaki ASAI
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Publication number: 20190173074Abstract: According to an embodiment, a battery includes: a battery case, an inner portion of which is sealed; a gas discharge portion for gas venting formed in the battery case; a battery module housed in the battery case, the battery module being an aggregation of a plurality of battery cells; a pressure relief portion formed in a part of the battery cell and allowing a vent gas expelled from an inner portion of the battery cell to flow out; and a vent path structure configuring a vent gas path through which the vent gas flows between the pressure relief portion and the gas discharge portion, and a liquid trap portion facilitating liquefaction of the vent gas flowing in the vent gas path and trapping the liquefied liquid.Type: ApplicationFiled: June 28, 2018Publication date: June 6, 2019Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takaya OGAWA, Keitaro HINO, Tadashi FUJISAWA, Shinya AIKAWA, Hiroaki ASAI
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Publication number: 20190140232Abstract: According to embodiments, a battery includes: a rectangular box-shaped battery case, an inner portion of which is sealed; a battery module housed in the battery case and being an aggregation of a plurality of battery cells; and a tubular heat resistant sheet arranged between the battery case and the battery module in a state of covering an entire side surface of an inner wall surface of the battery case.Type: ApplicationFiled: June 28, 2018Publication date: May 9, 2019Applicants: KABUSHIKI KAISHA TOSHIBA, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takaya OGAWA, Keitaro Hino, Tadashi Fujisawa, Shinya Aikawa, Hiroaki Asai, Tomonori Ezoe, Seiji Ito
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Patent number: 10199625Abstract: A bus bar according to an embodiment includes a block-shape thick portion, two thin portions provided along the thick portion on both sides, and two bend portions that connect the thick portion and the thin portions, the connected thick portion and the thin portions being elastically deformable.Type: GrantFiled: December 28, 2015Date of Patent: February 5, 2019Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Takaya Ogawa, Shinya Aikawa, Masato Iwata
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Publication number: 20180261821Abstract: According to one embodiment, a battery module includes a block-like battery cell unit in which a plurality of battery cells and a plurality of separators are stacked, and a frame which constrains the battery cell unit in a stacking direction of the battery cells and the separators. The frame is opposed to angular portions of end separators located at respective ends of the battery cell unit, as viewed in the stacking direction, and defines gaps with reference to the angular portions of the end separators.Type: ApplicationFiled: June 30, 2017Publication date: September 13, 2018Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takaya OGAWA, Shinya AIKAWA, Masato IWATA, Keitaro HINO, Hiroaki ASAI
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Publication number: 20180097214Abstract: According to embodiments, a pressure relief mechanism comprises a case with an installation hole formed therein, and a pressure relief valve. The pressure relief valve comprises an insertion portion which comprising a vent path formed in an axial portion of the insertion portion and a slit formed in a peripheral wall portion of the insertion portion so as to communicate with the vent path, a pedestal portion provided at an outer end of the insertion portion, a locking portion provided at an inner end of the insertion portion and locked on an inner edge of the installation hole, and a ring-like seal member interposed between around the installation hole and the pedestal portion, the seal portion comprising an elastic member.Type: ApplicationFiled: September 14, 2017Publication date: April 5, 2018Applicants: Kabushiki Kaisha Toshiba, Toshiba Infrastructure Systems & Solutions CorporationInventors: Takaya OGAWA, Kaoru Koiwa, Keitaro Hino, Shinya Aikawa, Hiroaki Asai
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Patent number: 9825180Abstract: The present invention provides a thin-film transistor in which transistor characteristics such as drain current and threshold voltage are improved, and a method of manufacturing the same. The present invention provides a thin-film transistor provided with a source electrode (108), a drain electrode (109), a semiconductor layer (105), a gate electrode (103), and an insulating layer (104); wherein the semiconductor layer (105) contains a composite metal oxide obtained by adding to a first metal oxide an oxide having an oxygen dissociation energy that is at least 200 kJ/mol greater than the oxygen dissociation energy of the first metal oxide, whereby the amount of oxygen vacancy is controlled; and the insulating layer (104) is provided with an SiO2 layer, a high-permittivity first layer, and a high-permittivity second layer, whereby the dipoles generated at the boundary between the SiO2 layer and the high-permittivity layers are used to control the threshold voltage.Type: GrantFiled: August 26, 2016Date of Patent: November 21, 2017Assignee: National Institute for Materials ScienceInventors: Toshihide Nabatame, Kazuhito Tsukagoshi, Shinya Aikawa, Toyohiro Chikyo
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Publication number: 20170256761Abstract: According to one embodiment, a battery module includes a block-like battery cell unit in which a plurality of battery cells and a plurality of separators are stacked, and a frame which constrains the battery cell unit in a stacking direction of the battery cells and the separators. The frame is opposed to angular portions of end separators located at respective ends of the battery cell unit, as viewed in the stacking direction, and defines gaps with reference to the angular portions of the end separators.Type: ApplicationFiled: July 14, 2016Publication date: September 7, 2017Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takaya OGAWA, Shinya Aikawa, Masato Iwata
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Patent number: 9741864Abstract: The present invention provides a thin-film transistor in which transistor characteristics such as drain current and threshold voltage are improved, and a method of manufacturing the same. The present invention provides a thin-film transistor provided with a source electrode (108), a drain electrode (109), a semiconductor layer (105), a gate electrode (103), and an insulating layer (104); wherein the semiconductor layer (105) contains a composite metal oxide obtained by adding to a first metal oxide an oxide having an oxygen dissociation energy that is at least 200 kJ/mol greater than the oxygen dissociation energy of the first metal oxide, whereby the amount of oxygen vacancy is controlled; and the insulating layer (104) is provided with an SiO2 layer, a high-permittivity first layer, and a high-permittivity second layer, whereby the dipoles generated at the boundary between the SiO2 layer and the high-permittivity layers are used to control the threshold voltage.Type: GrantFiled: May 2, 2014Date of Patent: August 22, 2017Assignee: National Institute for Materials ScienceInventors: Toshihide Nabatame, Kazuhito Tsukagoshi, Shinya Aikawa
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Publication number: 20170005313Abstract: A bus bar according to an embodiment includes a block-shape thick portion, two thin portions provided along the thick portion on both sides, and two bend portions that connect the thick portion and the thin portions, the connected thick portion and the thin portions being elastically deformable.Type: ApplicationFiled: December 28, 2015Publication date: January 5, 2017Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takaya OGAWA, Shinya AIKAWA, Masato IWATA
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Publication number: 20160365455Abstract: The present invention provides a thin-film transistor in which transistor characteristics such as drain current and threshold voltage are improved, and a method of manufacturing the same. The present invention provides a thin-film transistor provided with a source electrode (108), a drain electrode (109), a semiconductor layer (105), a gate electrode (103), and an insulating layer (104); wherein the semiconductor layer (105) contains a composite metal oxide obtained by adding to a first metal oxide an oxide having an oxygen dissociation energy that is at least 200 kJ/mol greater than the oxygen dissociation energy of the first metal oxide, whereby the amount of oxygen vacancy is controlled; and the insulating layer (104) is provided with an SiO2 layer, a high-permittivity first layer, and a high-permittivity second layer, whereby the dipoles generated at the boundary between the SiO2 layer and the high-permittivity layers are used to control the threshold voltage.Type: ApplicationFiled: August 26, 2016Publication date: December 15, 2016Applicant: National Institute for Materials ScienceInventors: Toshihide Nabatame, Kazuhito Tsukagoshi, Shinya Aikawa, Toyohiro Chikyo
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Publication number: 20160118501Abstract: The present invention provides a thin-film transistor in which transistor characteristics such as drain current and threshold voltage are improved, and a method of manufacturing the same. The present invention provides a thin-film transistor provided with a source electrode (108), a drain electrode (109), a semiconductor layer (105), a gate electrode (103), and an insulating layer (104); wherein the semiconductor layer (105) contains a composite metal oxide obtained by adding to a first metal oxide an oxide having an oxygen dissociation energy that is at least 200 kJ/mol greater than the oxygen dissociation energy of the first metal oxide, whereby the amount of oxygen vacancy is controlled; and the insulating layer (104) is provided with an SiO2 layer, a high-permittivity first layer, and a high-permittivity second layer, whereby the dipoles generated at the boundary between the SiO2 layer and the high-permittivity layers are used to control the threshold voltage.Type: ApplicationFiled: May 2, 2014Publication date: April 28, 2016Applicant: National Institute for Materials ScienceInventors: Toshihide NABATAME, Kazuhito TSUKAGOSHI, Shinya AIKAWA, Toyohiro CHIKYO
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Publication number: 20160056409Abstract: Provided is an organic EL element which has excellent luminous efficiency by improving the cathode. An organic EL element which is configured of a cathode, an anode and one or more organic compound layers provided between the electrodes, and wherein the cathode is formed of a transparent conductive film that is formed on a glass substrate and is configured from an indium oxide compound and an element having a high work function, so that the cathode has a high work function matched to the HOMO of an organic hole transport layer among the organic compound layers. Consequently, holes can be easily injected from the cathode to the organic hole transport layer, and the present invention is therefore suitable for manufacturing an organic EL element having excellent luminous efficiency.Type: ApplicationFiled: March 28, 2014Publication date: February 25, 2016Applicant: National Institute for Materials ScienceInventors: Toshihide NABATAME, Kazuhito TSUKAGOSHI, Shinya AIKAWA
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Publication number: 20120063013Abstract: According to one embodiment, focus adjusting equipment is provided. The focus adjusting equipment is provided with a rotational driving unit, a focus lens unit, a cam gear and a cam. The rotational driving unit generates a rotational force. The focus lens unit is provided with a focus lens and a motion converting unit. The focus lens is movable in an optical axis direction. The motion converting unit converts a rotational motion into a linear motion of the focus lens. The cam gear rotates in association with the rotation of the rotational driving unit. The cam rotates with the cam gear integrally. The cam contacts with an actuating part of the motion converting unit so as to transmit the rotational motion of the cam gear to the motion converting unit.Type: ApplicationFiled: July 25, 2011Publication date: March 15, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masashi Shiozawa, Shinya Aikawa
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Publication number: 20090162742Abstract: According to one embodiment, a portable apparatus has a battery casing containing a battery, a main body casing capable of pivoting at the battery casing and having a display unit, and a hinge mechanism provided between the main body casing and the battery casing to connect the main body casing and the battery casing. The hinge mechanism has a cylindrically shaped shaft portion formed integrally with the battery casing to project from the battery casing, an opening portion provided on the main body casing to allow the shaft portion to pass therethrough, an edge portion limiting the surrounding of the opening portion, a detachment stopping portion provided on the shaft portion to engage with the edge portion, and a bearing structure supporting the shaft portion to allow it to rotate.Type: ApplicationFiled: October 8, 2008Publication date: June 25, 2009Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Shinya Aikawa, Michiharu Kanai