Patents by Inventor Kenichi Sakai
Kenichi Sakai 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: 20240077103Abstract: A connector includes a connector body and an attachment body. The connector body includes a pair of connecting holes, and the attachment body includes a connecting shaft. Connecting holes are formed in the pair of connecting hole portions, and the connecting shaft is provided with a bulge portion located in the connecting holes. Contact flat surfaces are formed in the connecting hole portions and the bulge portion, the contact flat surfaces being configured to come into surface contact with each other in a pulling direction of the connector body and the attachment body.Type: ApplicationFiled: January 29, 2021Publication date: March 7, 2024Inventors: Asahiko Sakai, Kenichi Yoshie, Naoyuki Ito
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Patent number: 11780767Abstract: A glass ceramic sintered body having a small dielectric loss in a high frequency band of 10 GHz or higher and a wiring substrate using the same are provided. The glass ceramic sintered body contains crystallized glass, an alumina filler, and silica. The content of the crystallized glass is 45 mass % to 85 mass %, the content of the alumina filler is 14.8 mass % to 50.1 mass % in terms of Al2O3, and the content of silica is 0.2 mass % to 4.9 mass % in terms of SiO2.Type: GrantFiled: July 8, 2020Date of Patent: October 10, 2023Assignee: TDK CORPORATIONInventors: Shin Takane, Yousuke Futamata, Kenichi Sakai, Yasuharu Miyauchi
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Patent number: 11785857Abstract: Provided is a piezoelectric film including an AlN crystal, and a first element and a second element doped to the AlN crystal. The first element is an element having an ionic radius larger than an ionic radius of Al. The second element is an element having an ionic radius smaller than the ionic radius of Al. Also provided are piezoelectric film laminated body including an underlayer and a piezoelectric film including ScAlN, and a method of manufacturing the same. The underlayer has a crystal lattice having six-fold symmetry or three-fold symmetry. Also provided are a piezoelectric film including ScAlN having a laminated structure of a hexagonal crystal and a cubic crystal, and a method of manufacturing the same. The cubic crystal is doped with an element other than trivalent element.Type: GrantFiled: July 24, 2020Date of Patent: October 10, 2023Assignee: DENSO CORPORATIONInventors: Akihiko Teshigahara, Kazuhiko Kano, Kenichi Sakai
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Publication number: 20220096379Abstract: An objective of the present invention is to provide lymphatically-transported self-emulsifying formulations for enhancing membrane permeability of poorly membrane-permeable compounds in oral administration of the compounds. It was discovered that by applying lymphatically-transported self-emulsifying formulations containing a surfactant containing oleic acid as a moiety or oily component to poorly membrane-permeable compounds containing a cyclic peptide and having features (i) and (ii) below, the membrane permeability and absorbability of the compounds can be improved: (i) log D (pH 7.4) value of the compounds is 3.2 or greater; and (ii) Caco-2 Papp (cm/sec) value of the compounds is 1.8E-6 or less.Type: ApplicationFiled: October 15, 2021Publication date: March 31, 2022Inventors: Yoshihiro TAMPO, Ryusuke Takano, Nozomi Hisada, Kenichi Sakai, Kazuhisa Ozeki, Yuji Sakurai, Atsuko Higahida
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Publication number: 20220010486Abstract: An object of the present invention is to provide a carpet exhibiting excellent antifouling property against both dry soil and wet soil. The carpet is a carpet including a pile yarn having a coated pile single yarn, in which the coated pile single yarn is a pile single yarn to which a layer A containing organopolysiloxane and a fluorine-based compound is attached, a fineness of the coated pile single yarn is 8 to 40 dtex, a crimp elongation of the pile yarn is 10% to 30%, a carpet staining degree (?E) in an antifouling dry test is 30 or less, and a carpet staining degree (?E) in an antifouling wet test is 30 or less.Type: ApplicationFiled: November 26, 2019Publication date: January 13, 2022Applicant: TORAY Industries, Inc.Inventors: Kenichi SAKAI, Hiroshi KAJIYAMA
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Patent number: 11167206Abstract: A portable device includes a speaker; a first sensor that detects movement of the device; a second sensor that detects a direction in which the device is facing; and a controller that, when time-series variation of the movement detected by the first sensor indicates a jump movement, causes a sound corresponding to the direction detected by the second sensor to be output from the speaker.Type: GrantFiled: May 20, 2020Date of Patent: November 9, 2021Assignee: CASIO COMPUTER CO., LTD.Inventors: Yoshitaka Yaji, Kenichi Sakai, Katsuhiko Sasaki
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Patent number: 11022653Abstract: A deterioration degree estimation device includes an internal resistance detection unit, a deterioration management unit and a deterioration degree estimation unit. The internal resistance detection unit detects an internal resistance of a battery. The deterioration management unit manages a cycle deterioration of the battery. The deterioration degree estimation unit estimates a deterioration degree of the battery as an estimated deterioration degree based on an increase rate of the internal resistance. The deterioration degree estimation unit estimates the estimated deterioration degree such that the estimated deterioration degree decreases as the cycle deterioration increases, or such that the estimated deterioration degree increases as the cycle deterioration degree decreases.Type: GrantFiled: August 26, 2015Date of Patent: June 1, 2021Assignee: Nissan Motor Co., Ltd.Inventors: Hironobu Shimosawa, Kenichi Sakai, Kenji Hosaka, Tomoyuki Shiratsuchi
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Patent number: 11015272Abstract: There is provided a laminated nonwoven fabric having excellent sound absorbing performance in a low frequency range, the laminated nonwoven fabric having a skin layer and a base material layer, the skin layer having a nonwoven fabric A, the nonwoven fabric A having a density of 100 to 500 kg/m3, a thickness of 0.5 to 2.5 mm, and an air permeability of 4 to 40 cm3/cm2/s; and the base material layer having a nonwoven fabric B, the nonwoven fabric B having a basis weight of 200 to 500 g/m2 and a thickness of 5 to 40 mm.Type: GrantFiled: March 10, 2016Date of Patent: May 25, 2021Assignee: TORAY INDUSTRIES, INCInventors: Hiroshi Kajiyama, Taira Omori, Kenichi Sakai
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Publication number: 20210009463Abstract: A glass ceramic sintered body having a small dielectric loss in a high frequency band of 10 GHz or higher and a wiring substrate using the same are provided. The glass ceramic sintered body contains crystallized glass, an alumina filler, and silica. The content of the crystallized glass is 45 mass % to 85 mass %, the content of the alumina filler is 14.8 mass % to 50.1 mass % in terms of Al2O3, and the content of silica is 0.2 mass % to 4.9 mass % in terms of SiO2.Type: ApplicationFiled: July 8, 2020Publication date: January 14, 2021Applicant: TDK CORPORATIONInventors: Shin TAKANE, Yousuke FUTAMATA, Kenichi SAKAI, Yasuharu MIYAUCHI
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Patent number: 10854185Abstract: A laminate having excellent sound absorbing performance in both of a low frequency range and a high frequency range, and is excellent in flexibility, includes a woven fabric layer and a nonwoven fabric layer. The woven fabric layer contains a fiber having a total fineness of 150 to 500 dtex in an amount of 40% by mass or more based on the woven fabric layer in total, a value obtained by dividing a difference between a weave density in a warp direction of the woven fabric layer and a weave density in a weft direction of the woven fabric layer by a smaller one of the weave density in the warp direction of the woven fabric layer and the weave density in the weft direction of the woven fabric layer is 0.5 to 3.5. The woven fabric layer has a basis weight of 100 to 400 g/m2, a thickness of 0.3 to 2.0 mm, and an air permeability of 15 to 40 cm3/cm2/s. The nonwoven fabric layer has a basis weight of 200 to 500 g/m2 and a thickness of 5 to 40 mm.Type: GrantFiled: March 29, 2017Date of Patent: December 1, 2020Assignee: TORAY INDUSTRIES, INC.Inventors: Kenichi Sakai, Hiroshi Kajiyama
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Publication number: 20200368609Abstract: A portable device includes a speaker; a first sensor that detects movement of the device; a second sensor that detects a direction in which the device is facing; and a controller that, when time-series variation of the movement detected by the first sensor indicates a jump movement, causes a sound corresponding to the direction detected by the second sensor to be output from the speaker.Type: ApplicationFiled: May 20, 2020Publication date: November 26, 2020Applicant: CASIO COMPUTER CO., LTD.Inventors: Yoshitaka YAJI, Kenichi SAKAI, Katsuhiko SASAKI
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Publication number: 20200357976Abstract: Provided is a piezoelectric film including an AlN crystal, and a first element and a second element doped to the AlN crystal. The first element is an element having an ionic radius larger than an ionic radius of Al. The second element is an element having an ionic radius smaller than the ionic radius of Al. Also provided are piezoelectric film laminated body including an underlayer and a piezoelectric film including ScAlN, and a method of manufacturing the same. The underlayer has a crystal lattice having six-fold symmetry or three-fold symmetry. Also provided are a piezoelectric film including ScAlN having a laminated structure of a hexagonal crystal and a cubic crystal, and a method of manufacturing the same. The cubic crystal is doped with an element other than trivalent element.Type: ApplicationFiled: July 24, 2020Publication date: November 12, 2020Inventors: Akihiko TESHIGAHARA, Kazuhiko KANO, Kenichi SAKAI
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Publication number: 20190380958Abstract: An objective of the present invention is to provide lymphatically-transported self-emulsifying formulations for enhancing membrane permeability of poorly membrane-permeable compounds in oral administration of the compounds. It was discovered that by applying lymphatically-transported self-emulsifying formulations containing a surfactant containing oleic acid as a moiety or oily component to poorly membrane-permeable compounds containing a cyclic peptide and having features (i) and (ii) below, the membrane permeability and absorbability of the compounds can be improved: (i) log D (pH 7.4) value of the compounds is 3.2 or greater; and (ii) Caco-2 Papp (cm/sec) value of the compounds is 1.8E-6 or less.Type: ApplicationFiled: December 27, 2017Publication date: December 19, 2019Inventors: Yoshihiro TAMPO, Ryusuke TAKANO, Nozomi HISADA, Kenichi SAKAI, Kazuhisa OZEKI, Yuji SAKURAI, Atsuko HIGASHIDA
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Patent number: 10459217Abstract: A reflector has a reflective surface on first and second directions. Each of torsion beams extends to each opposite side of the reflective surface in the first direction. Each of coupling portions is to each opposite side of the reflector in the first direction and includes a central portion with U-shape having two projection portions and a bottom portion joined to the torsion beam. The projection portions include first concave portions opposing across the torsion beam by being penetrated in thickness direction. Each first concave portion extends in the second direction from an opening to a side surface facing the torsion beam towards an opposite side surface up to a bottom. A distance between the bottoms of the first concave portions across the torsion beam is greater than a distance between the side surfaces each facing the torsion beam of the projection portions.Type: GrantFiled: March 25, 2016Date of Patent: October 29, 2019Assignee: DENSO CORPORATIONInventors: Koichi Oyama, Hideaki Nishikawa, Yusuke Kawai, Kenichi Sakai
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Patent number: 10398653Abstract: The present invention provides a method for producing a pharmaceutical composition which is a tablet and which contains tofogliflozin as an active ingredient. The method comprises mixing an additive and tofogliflozin to prepare a powder mixture and obtaining a tablet from the powder mixture by direct compression. The additive comprises at least one filler.Type: GrantFiled: January 29, 2019Date of Patent: September 3, 2019Assignee: CHUGAI SEIYAKU KABUSHIKI KAISHAInventors: Kenta Wada, Tomoaki Hirayama, Kenichi Sakai, Shiho Yoshimura
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Publication number: 20190151248Abstract: The present invention provides a method for producing a pharmaceutical composition which is a tablet and which contains tofogliflozin as an active ingredient. The method comprises mixing an additive and tofogliflozin to prepare a powder mixture and obtaining a tablet from the powder mixture by direct compression. The additive comprises at least one filler.Type: ApplicationFiled: January 29, 2019Publication date: May 23, 2019Inventors: Kenta WADA, Tomoaki HIRAYAMA, Kenichi SAKAI, Shiho YOSHIMURA
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Patent number: 10286789Abstract: A secondary battery charger system in which a chargeable power is calculated on the basis of a difference between a charging target voltage and a cell voltage using a charging control unit that controls a charger used to charge a secondary battery, the secondary battery charger system including a charging threshold voltage setting unit configured to set the charging target voltage to be lower than a charging limitation voltage which is an upper limitation of the cell voltage allowable in design. The charging control unit stops the charging if a predetermined charging stop condition is satisfied while the cell voltage exceeds the charging target voltage and is lower than the charging limitation voltage.Type: GrantFiled: August 29, 2014Date of Patent: May 14, 2019Assignee: Nissan Motor Co., Ltd.Inventors: Hayato Nagakura, Kenichi Sakai, Kenji Hosaka, Kazuma Tamai, Hiroto Okabe
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Patent number: 10261136Abstract: A battery degradation degree estimation device includes a total degradation degree detection unit configured to detect a present total degradation degree of a battery, a cycle degradation estimation unit configured to estimate a future cycle degradation degree due to charge/discharge of the battery, a storage degradation estimation unit configured to estimate a future storage degradation degree over time inside the battery, and a battery degradation estimation unit configured to estimate a future battery degradation degree on the basis of the present total degradation degree, the future cycle degradation degree and the future storage degradation degree.Type: GrantFiled: May 28, 2015Date of Patent: April 16, 2019Assignee: Nissan Motor Co., Ltd.Inventors: Kenji Hosaka, Kazuma Tamai, Chizuru Matsuyama, Kenichi Sakai
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Patent number: 10231930Abstract: The present invention provides a method for producing a pharmaceutical composition which is a tablet and which contains tofogliflozin as an active ingredient. The method comprises mixing an additive and tofogliflozin to prepare a powder mixture and obtaining a tablet from the powder mixture by direct compression. The additive comprises at least one filler.Type: GrantFiled: December 26, 2014Date of Patent: March 19, 2019Assignee: CHUGAI SEIYAKU KABUSHIKI KAISHAInventors: Kenta Wada, Tomoaki Hirayama, Kenichi Sakai, Shiho Yoshimura
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Publication number: 20190080678Abstract: A laminate having excellent sound absorbing performance in both of a low frequency range and a high frequency range, and is excellent in flexibility, includes a woven fabric layer and a nonwoven fabric layer. The woven fabric layer contains a fiber having a total fineness of 150 to 500 dtex in an amount of 40% by mass or more based on the woven fabric layer in total, a value obtained by dividing a difference between a weave density in a warp direction of the woven fabric layer and a weave density in a weft direction of the woven fabric layer by a smaller one of the weave density in the warp direction of the woven fabric layer and the weave density in the weft direction of the woven fabric layer is 0.5 to 3.5. The woven fabric layer has a basis weight of 100 to 400 g/m2, a thickness of 0.3 to 2.0 mm, and an air permeability of 15 to 40 cm3/cm2/s. The nonwoven fabric layer has a basis weight of 200 to 500 g/m2 and a thickness of 5 to 40 mm.Type: ApplicationFiled: March 29, 2017Publication date: March 14, 2019Applicant: Toray Industries, Inc.Inventors: Kenichi Sakai, Hiroshi Kajiyama