Patents by Inventor Kengo Suzuki
Kengo Suzuki 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).
-
Patent number: 10222332Abstract: A spectroscopic measurement apparatus includes a light source, an integrator, a spectroscopic detector, and an analysis unit. The integrator includes an internal space in which a measurement object is disposed, a light input portion for inputting light to the internal space, a light output portion for outputting light from the internal space, a sample attachment portion for attaching the measurement object, and a filter attachment portion for attaching a filter unit. The filter unit has a transmission spectrum in which an attenuation rate for excitation light is larger than an attenuation rate for up-conversion light, and attenuates the light output from the light output portion. The analysis unit analyzes luminous efficiency of the measurement object on the basis of the transmission spectrum data and the spectroscopic spectrum data acquired by the spectroscopic detector.Type: GrantFiled: June 11, 2018Date of Patent: March 5, 2019Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Kengo Suzuki, Kazuya Iguchi
-
Publication number: 20190054127Abstract: Provided are an antiviral agent and an antiviral food as novel methods for utilizing a Euglena-derived material. The antiviral agent and antiviral food, both comprising a Euglena-derived material as an active ingredient, are to be used for preventing or treating an infectious disease caused by an envelope-free RNA virus. Examples of the envelope-free RNA virus include rotaviruses belonging to Reoviridae. Examples of the Euglena-derived material include Euglena, a hot water extract of Euglena, paramylon and an alkali-treated paramylon.Type: ApplicationFiled: November 22, 2016Publication date: February 21, 2019Applicants: EUGLENA CO., LTD., EDUCATIONAL CORPORATION MUKOGAWA GAKUINInventors: Ayaka NAKASHIMA, Kengo SUZUKI, Yuji ISEGAWA
-
Patent number: 10211389Abstract: In the composite substrate 10, the piezoelectric substrate 12 and the support substrate 14 are bonded by direct bonding using an ion beam. One surface of the piezoelectric substrate 12 is a negatively-polarized surface 12a and another surface of the piezoelectric substrate 12 is a positively-polarized surface 12b. An etching rate at which the negatively-polarized surface 12a is etched with a strong acid may be higher than an etching rate at which the positively-polarized surface 12b is etched with the strong acid. The positively-polarized surface 12b of the piezoelectric substrate 12 is directly bonded to the support substrate 14. The negatively-polarized surface 12a of the piezoelectric substrate 12 may be etched with the strong acid.Type: GrantFiled: January 20, 2016Date of Patent: February 19, 2019Assignees: NGK INSULATORS, LTD., NGK CERAMIC DEVICE CO., LTD.Inventors: Tomoyoshi Tai, Yuji Hori, Takahiro Yamadera, Ryosuke Hattori, Kengo Suzuki
-
Patent number: 10209189Abstract: A spectral measurement apparatus for irradiating a sample as a measurement object with excitation light and detecting light to be measured includes a light source generating the excitation light; an integrator having an input opening portion through which the excitation light is input, and an output opening portion from which the light to be measured is output; a housing portion arranged in the integrator and housing the sample; an incidence optical system making the excitation light incident to the sample; a photodetector detecting the light to be measured output from the output opening portion; and an analysis device calculating a quantum yield of the sample, based on a detection value detected by the photodetector, and the excitation light is applied to the sample so as to include the sample.Type: GrantFiled: September 17, 2013Date of Patent: February 19, 2019Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Kengo Suzuki, Kazuya Iguchi, Shigeru Eura, Kenichiro Ikemura
-
Publication number: 20190036000Abstract: In the composite substrate, the piezoelectric substrate and the support substrate are bonded by direct bonding using an ion beam. One surface of the piezoelectric substrate is a negatively-polarized surface and another surface of the piezoelectric substrate is a positively-polarized surface. An etching rate at which the negatively-polarized surface is etched with a strong acid may be higher than an etching rate at which the positively-polarized surface is etched with the strong acid. The positively-polarized surface of the piezoelectric substrate is directly bonded to the support substrate. The negatively-polarized surface of the piezoelectric substrate may be etched with the strong acid.Type: ApplicationFiled: October 1, 2018Publication date: January 31, 2019Applicants: NGK INSULATORS, LTD., NGK CERAMIC DEVICE CO., LTD.Inventors: Tomoyoshi Tai, Yuji Hori, Takahiro Yamadera, Ryosuke Hattori, Kengo Suzuki
-
Patent number: 10175132Abstract: The present invention makes it possible to, even when a stainless steel is adopted in a diaphragm: prevent the diaphragm and a strain sensor from exfoliating from each other; be hardly susceptible to the influence of temperature in an operating environment; not allow the sensitivity of a pressure sensor to be dominated only by the mechanical characteristic of a material constituting the diaphragm; and increase the degree of freedom in design of members constituting the pressure sensor.Type: GrantFiled: October 6, 2015Date of Patent: January 8, 2019Assignee: Hitachi Metals, Ltd.Inventors: Kengo Suzuki, Isao Sakaguchi, Takahiro Umeyama
-
Patent number: 10139009Abstract: An electromagnetic valve includes: a housing, a ball valve, a ball guide to hold the ball valve, a shaft that displaces the ball valve; an electromagnetic solenoid part that drives the shaft; a seat component; and a seal member. The seat component has a cylindrical portion disposed inside of the housing, and has a predetermined depth in an axial direction. An inflow valve port passes through a first end of the cylindrical portion in the axial direction. The seal member is coupled with an outer circumference part of the housing at a position corresponding to the cylindrical portion.Type: GrantFiled: April 12, 2016Date of Patent: November 27, 2018Assignee: Hamanakodenso Co., Ltd.Inventor: Kengo Suzuki
-
Patent number: 10117901Abstract: Provided are a prophylactic or therapeutic agent for a peptic ulcer, a food additive for prevention and treatment of a peptic ulcer, an iNOS expression inhibitor, and a COX-2 expression inhibitor, all of which have little side effects. The prophylactic or therapeutic agent contains a Euglena-derived material as an active ingredient. The Euglena-derived material may be Euglena, paramylon, or an acid-treated paramylon. The prophylactic or therapeutic agent is useful for the prevention or treatment of a peptic ulcer induced by psychological stress. The peptic ulcer may be a gastric ulcer. The food additive contains a Euglena-derived material as an active ingredient.Type: GrantFiled: November 6, 2015Date of Patent: November 6, 2018Assignee: euglena Co., Ltd.Inventors: Eriko Yoshida, Yuta Asayama, Osamu Iwata, Ayaka Nakashima, Kengo Suzuki, Misa Ohgushi, Naoki Harada, Yoshihisa Nakano
-
Publication number: 20180292316Abstract: A spectroscopic measurement apparatus includes a light source, an integrator, a spectroscopic detector, and an analysis unit. The integrator includes an internal space in which a measurement object is disposed, a light input portion for inputting light to the internal space, a light output portion for outputting light from the internal space, a sample attachment portion for attaching the measurement object, and a filter attachment portion for attaching a filter unit. The filter unit has a transmission spectrum in which an attenuation rate for excitation light is larger than an attenuation rate for up-conversion light, and attenuates the light output from the light output portion. The analysis unit analyzes luminous efficiency of the measurement object on the basis of the transmission spectrum data and the spectroscopic spectrum data acquired by the spectroscopic detector.Type: ApplicationFiled: June 11, 2018Publication date: October 11, 2018Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Kengo SUZUKI, Kazuya IGUCHI
-
Patent number: 10094779Abstract: An optical measurement device inputs excitation light to an integrating sphere in which a sample is disposed, irradiates the sample with the excitation light having a predetermined beam cross-section, detects measurement light output from the integrating sphere by a photodetector, and acquires intensity data of the sample. The optical measurement device includes a storage unit in which correction data is stored and an optical characteristic calculation unit for calculating optical characteristics of the sample based on the intensity data of the sample and the correction data. The correction data is calculated based on first corrective intensity data and second corrective intensity data. The predetermined beam cross-section is covered with the first light absorbing member and covers the second light absorbing member.Type: GrantFiled: April 7, 2015Date of Patent: October 9, 2018Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Shigeru Eura, Kengo Suzuki, Kenichiro Ikemura, Kazuya Iguchi
-
Patent number: 10047338Abstract: An algae culture method capable of efficiently producing an osmotic pressure adjusting substance, a production method of the substance, and an algae culture method for recovering carbon dioxide from a mixed gas containing carbon dioxide and sulfurous acid gas. The methods involve preparing a plurality of enrichment cultures each containing betaine by culturing a culture of microalgae derived from an environmental specimen under a photoautotrophic condition and under a plurality of culture conditions; making a cultivation plan in which an optimum enrichment culture suitable for a main culture is selected from the plurality of enrichment cultures; producing a main culture that contains betaine under the photoautotrophic condition and a salt concentration of 10 wt. % or more; and separating betaine. In the main culture, the algae containing betaine are cultured while the mixed gas containing sulfurous acid gas and carbon dioxide is blown to a culture solution of the algae.Type: GrantFiled: April 16, 2015Date of Patent: August 14, 2018Assignees: EUGLENA CO., LTD., SHIMIZU CORPORATIONInventors: Kengo Suzuki, Ryohei Nakano, Hideyuki Adachi, Ayaka Nakashima, Eriko Yoshida, Masaharu Tasaki, Yoichi Kuroiwa, Keisuke Kojima, Takeshi Hasegawa
-
Patent number: 10036706Abstract: A spectroscopic measurement apparatus includes a light source, an integrator, a spectroscopic detector, and an analysis unit. The integrator includes an internal space in which a measurement object is disposed, a light input portion for inputting light to the internal space, a light output portion for outputting light from the internal space, a sample attachment portion for attaching the measurement object, and a filter attachment portion for attaching a filter unit. The filter unit has a transmission spectrum in which an attenuation rate for excitation light is larger than an attenuation rate for up-conversion light, and attenuates the light output from the light output portion. The analysis unit analyzes luminous efficiency of the measurement object on the basis of the transmission spectrum data and the spectroscopic spectrum data acquired by the spectroscopic detector.Type: GrantFiled: November 19, 2015Date of Patent: July 31, 2018Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Kengo Suzuki, Kazuya Iguchi
-
Publication number: 20180208083Abstract: An entry/exit support structure of a vehicle seat has: a side support portion that is provided in a seat transverse direction of a seat cushion, and that is displaced in a seat vertical direction; a seat sliding mechanism that supports the seat cushion to slide in a seat front-rear direction, and that has a locking device restricting sliding of the seat cushion in the seat front-rear direction; and a side support portion restricting mechanism having a release operation portion. In a state in which the release operation portion is positioned at a lock position, displacement of the side support portion in the seat vertical direction is restricted. In a state in which the release operation portion is positioned at a release position, displacement of the side support portion in the seat vertical direction is permitted and sliding of the seat cushion in the seat front-rear direction is permitted.Type: ApplicationFiled: November 21, 2017Publication date: July 26, 2018Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keita IWASAKI, Shota HIGASHIHARA, Kengo SUZUKI
-
Publication number: 20180133271Abstract: Provided are an inhibitor, a prophylactic, and a therapeutic agent for rheumatoid arthritis that have no side effects and that can correct immune abnormality associated with rheumatoid arthritis. The inhibitor, the prophylactic, and the agent for rheumatoid arthritis contain a Euglena-derived material as an active ingredient. The inhibitor, the prophylactic and the agent are used as an antirheumatic drug for controlling the activity of rheumatoid arthritis by alleviating immune abnormality associated with rheumatoid arthritis. The inhibitor, the prophylactic, and the agent are also used for a living individual who has not been definitively diagnosed with rheumatoid arthritis. The inhibitor, the prophylactic, and the agent are continuously administered to the living individual from any point before definitive diagnosis of rheumatoid arthritis to any point after the definitive diagnosis.Type: ApplicationFiled: April 7, 2016Publication date: May 17, 2018Applicant: euglena Co., Ltd.Inventors: Ayaka NAKASHIMA, Yuta ASAYAMA, Osamu IWATA, Kengo SUZUKI
-
Publication number: 20180112175Abstract: The present invention provides a method for producing an organic acid using algal biomass, The present invention pertains to the production of organic acids such as succinic acid using Euglena , by means of a method containing; either a nitrogen deficient culture step in which Euglena is cultured. aerobically under nitrogen-deficient conditions or a heterotrophic culture step in which Euglena is cultured aerobically using a culture medium containing a carbon source; and an anaerobic culture step in which the culture product obtained in the nitrogen-deficient culture step is incubated under anaerobic conditions.Type: ApplicationFiled: May 6, 2016Publication date: April 26, 2018Applicants: Riken, euglena Co., Ltd.Inventors: Takashi Osanai, Masami Hirai, Hiroko IIjima, Yuka Nakaya, Kengo Suzuki, Osamu Iwata, Ayaka Nakashima
-
Patent number: 9952101Abstract: A spectroscopic measurement apparatus includes a light source, an integrator, a first spectroscopic detector, a second spectroscopic detector, and an analysis unit. The integrator includes an internal space in which a measurement object is disposed, a light input portion for inputting light to the internal space, a light output portion for outputting light from the internal space, and a sample attachment portion for attaching the measurement object. The first spectroscopic detector receives the light output from the integrator, disperses the light of a first wavelength region, and acquires first spectrum data. The second spectroscopic detector receives the light output from the integrator, disperses the light of a second wavelength region, and acquires second spectrum data. The first wavelength region and the second wavelength region include a wavelength region partially overlapping each other.Type: GrantFiled: November 19, 2015Date of Patent: April 24, 2018Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Kengo Suzuki, Kazuya Iguchi
-
Patent number: 9932185Abstract: A sheet material feeding apparatus includes a first roll 106, and a second roll 108 arranged vertically below first roll 106, to feed a sheet material clamped between the first roll 106 and the second roll 108. The sheet material feeding apparatus further includes a first motor 102 provided with a rotatable first motor shaft 104 coupled to the first roll 106, and a second motor 103 provided with a rotatable second motor shaft 105 coupled to the second roll 108. The first motor shaft 104 and the second motor shaft 105 rotate at substantially the same rotation speed to allow the first roll 106 and the second roll 108 to rotate in synchronization with each other.Type: GrantFiled: July 11, 2016Date of Patent: April 3, 2018Assignee: Sankyo Seisakusho Co.Inventor: Kengo Suzuki
-
Patent number: 9891124Abstract: There is provided a pressure sensor which includes: a diaphragm having an inside surface facing to a fluid-tight space, the diaphragm including a diaphragm film that is part of the inside surface and deformable in response to a pressure application, and a diaphragm film support that is part of the inside surface and constitutes a periphery of the diaphragm film; a strain sensor bonded to the inside surface so as to lie partially on the periphery and having plural strain gauges thereon; and a depression formed on the inside surface, when defining an x-direction oriented from center of the inside surface to a position bonded of the strain sensor and a y-direction perpendicular to the x-direction on the inside surface, the depression extending a certain length in the y-direction, the depression being adjacent to or a certain distance apart from an edge of the strain sensor in the y-direction.Type: GrantFiled: April 15, 2014Date of Patent: February 13, 2018Assignee: Hitachi Metals, Ltd.Inventors: Kengo Suzuki, Isao Sakaguchi, Atsushi Kazama
-
Patent number: 9871788Abstract: An authentication terminal comprising an authentication apparatus authenticating an authentication subject, an artifact operating in accordance with an input signal and a signal processing section is provided. When an authentication result in the authentication apparatus is passed, the signal processing section inputs an input signal without including information of the authentication subject in the artifact and outputs an output signal in accordance with an operation result of the artifact as the authentication result.Type: GrantFiled: October 6, 2015Date of Patent: January 16, 2018Assignee: ADVANTEST CORPORATIONInventors: Katsuhiko Degawa, Kengo Suzuki, Yushi Nishino, Masakatsu Suda, Kosuke Ikeda
-
Patent number: 9871789Abstract: An authentication system comprising an authentication terminal and an authentication server is provided. The authentication terminal comprises an authentication apparatus authenticating an authentication subject, an artifact operating in accordance with an input signal and a signal processing section inputting an input signal without including information of the authentication subject designated by the authentication server in the artifact and outputting an output signal in accordance with an operation result of the artifact as an authentication result when the authentication result in the authentication apparatus is passed. The authentication server authenticates the authentication subject based on the output signal.Type: GrantFiled: October 6, 2015Date of Patent: January 16, 2018Assignee: ADVANTEST CORPORATIONInventors: Katsuhiko Degawa, Kengo Suzuki, Yushi Nishino, Masakatsu Suda, Kosuke Ikeda