Patents by Inventor Hiroshi Nakajima
Hiroshi Nakajima 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: 20230208106Abstract: A light emitting element according to the present disclosure includes a first light reflecting layer 41, a laminated structure 20, and a second light reflecting layer 42 laminated to each other. The laminated structure 20 includes a first compound semiconductor layer 21, a light emitting layer 23, and a second compound semiconductor layer 22 laminated to each other from a side of the first light reflecting layer. Light from the laminated structure 20 is emitted to an outside via the first light reflecting layer 41 or the second light reflecting layer 42. The first light reflecting layer 41 has a structure in which at least two types of thin films 41A and 41B are alternately laminated to each other in plural numbers. A film thickness modulating layer 80 is provided between the laminated structure 20 and the first light reflecting layer 41.Type: ApplicationFiled: February 20, 2023Publication date: June 29, 2023Inventors: Tatsushi HAMAGUCHI, Jugo MITOMO, Hiroshi NAKAJIMA, Masamichi ITO, Susumu SATO
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Patent number: 11617516Abstract: A biological information analyzing device includes: an indicator extraction unit that extracts an indicator pertaining to a characteristic of a blood pressure waveform using data of the blood pressure waveform obtained by a sensor, which is worn on a user's body and can non-invasively measure the blood pressure waveform for each of heartbeats, continuously measuring the blood pressure waveform; and a processing unit that carries out a process based on the extracted indicator.Type: GrantFiled: April 14, 2017Date of Patent: April 4, 2023Assignees: Omron Corporation, OMRON HEALTHCARE Co., Ltd.Inventors: Hiroshi Nakajima, Hirotaka Wada, Naoki Tsuchiya, Masaaki Kasai, Eriko Kan, Toru Uenoyama, Keiichi Obayashi, Ayako Kokubo, Yuya Ota, Toshikazu Shiga, Mitsuo Kuwabara, Hironori Sato, Ken Miyagawa, Masakazu Tsutsumi
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Patent number: 11611196Abstract: A light emitting element according to the present disclosure includes a first light reflecting layer 41, a laminated structure 20, and a second light reflecting layer 42 laminated to each other. The laminated structure 20 includes a first compound semiconductor layer 21, a light emitting layer 23, and a second compound semiconductor layer 22 laminated to each other from a side of the first light reflecting layer. Light from the laminated structure 20 is emitted to an outside via the first light reflecting layer 41 or the second light reflecting layer 42. The first light reflecting layer 41 has a structure in which at least two types of thin films 41A and 41B are alternately laminated to each other in plural numbers. A film thickness modulating layer 80 is provided between the laminated structure 20 and the first light reflecting layer 41.Type: GrantFiled: October 13, 2017Date of Patent: March 21, 2023Assignee: Sony CorporationInventors: Tatsushi Hamaguchi, Jugo Mitomo, Hiroshi Nakajima, Masamichi Ito, Susumu Sato
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Patent number: 11594859Abstract: A light emitting element includes: a laminated structure 20 obtained by laminating a first compound semiconductor layer 21, an active layer 23, and a second compound semiconductor layer 22; a first light reflecting layer 41 disposed on a first surface side of the first compound semiconductor layer 21; a second light reflecting layer 42 disposed on a second surface side of the second compound semiconductor layer 22; and light convergence/divergence changing means 50. The first light reflecting layer 41 is formed on a concave mirror portion 43. The second light reflecting layer 42 has a flat shape. When light generated in the active layer 23 is emitted to the outside, a light convergence/divergence state before the light is incident on the light convergence/divergence changing means 50 is different from a light convergence/divergence state after the light passes through the light convergence/divergence changing means 50.Type: GrantFiled: May 9, 2018Date of Patent: February 28, 2023Assignee: Sony CorporationInventors: Jugo Mitomo, Tatsushi Hamaguchi, Hiroshi Nakajima, Masamichi Ito, Susumu Sato
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Publication number: 20230055932Abstract: A light-emitting element includes: a laminated structure body 20 which is formed from a GaN-based compound semiconductor and in which a first compound semiconductor layer 21 including a first surface 21a and a second surface 21b that is opposed to the first surface 21a, an active layer 23 that faces the second surface 21b of the first compound semiconductor layer 21, and a second compound semiconductor layer 22 including a first surface 22a that faces the active layer 23 and a second surface 22b that is opposed to the first surface 22a are laminated; a first light reflection layer 41 that is provided on the first surface 21a side of the first compound semiconductor layer 21; and a second light reflection layer 42 that is provided on the second surface 22b side of the second compound semiconductor layer 22. The first light reflection layer 41 includes a concave mirror portion 43, and the second light reflection layer 42 has a flat shape.Type: ApplicationFiled: October 27, 2022Publication date: February 23, 2023Inventors: Susumu SATO, Tatsushi HAMAGUCHI, Shoichiro IZUMI, Noriyuki FUTAGAWA, Masamichi ITO, Jugo MITOMO, Hiroshi NAKAJIMA
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Publication number: 20230008483Abstract: [Object] To provide a vertical cavity surface emitting laser element that has low thermal resistance and is capable of operating at high temperature, a vertical cavity surface emitting laser element array, a vertical cavity surface emitting laser module, and a method of producing a vertical cavity surface emitting laser element. [Solving Means] A vertical cavity surface emitting laser element (100) according to the present technology includes: a first substrate (110); a second substrate (120); a first DBR layer (131); and a second DBR layer (132). The first substrate (110) is formed of a first material and includes an active layer (115). The second substrate (120) is formed of a second material and is bonded to the first substrate (110), the second material causing light having a specific wavelength to be transmitted therethrough and being different from that of the first substrate (110).Type: ApplicationFiled: December 8, 2020Publication date: January 12, 2023Inventors: TOMOMASA WATANABE, HIROSHI NAKAJIMA, MIKIHIRO YOKOZEKI
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Patent number: 11536130Abstract: Logging while drilling (LWD) mechanical calipers are disclosed. An example apparatus to characterize a bore includes a drill collar, a sliding sleeve that moves longitudinally relative to the drill collar, and a sliding block operatively coupled to the sliding sleeve and movable relative to the drill collar. The example apparatus also includes a caliper arm operatively coupled to the sliding block, where the caliper arm is to displace radially outward towards an inner diameter of the bore based on movement of the sliding block, and a caliper sliding sensor to measure a movement of the sliding block.Type: GrantFiled: June 6, 2019Date of Patent: December 27, 2022Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Hiroshi Nakajima, Cong Wang
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Patent number: 11493657Abstract: Example ultrasonic transducers for measuring formation velocities are disclosed herein. An example apparatus includes a housing and an acoustic transducer having a first surface and a second surface opposite the first surface. The acoustic transducer is at least partially disposed in the housing. The example apparatus includes a window supported by the housing. At least a portion of the first surface of the acoustic transducer is in contact with the window. The housing and the window are to form a fluid seal for the acoustic transducer.Type: GrantFiled: February 8, 2019Date of Patent: November 8, 2022Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Hiroshi Nakajima, Tatsuaki Kamoi, Hiroshi Hori, Evgeniya Deger
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Patent number: 11495350Abstract: An information processing apparatus according to an aspect of the present invention includes a situation specifying unit configured to specify a part of a situation of the measurement subject on the basis of the number of measurements of the biological information in each situation of the measurement subject at the time of measuring biological information of the measurement subject by a biological information measuring unit, a current situation detecting unit configured to detect a current situation of the measurement subject, and a support information output unit configured to output support information relating to measurement of the biological information if the current situation corresponds to the measurement promoting situation.Type: GrantFiled: April 28, 2020Date of Patent: November 8, 2022Assignees: OMRON HEALTHCARE CO., LTD., OMRON CORPORATIONInventors: Hiroshi Nakajima, Hirotaka Wada, Tomohiro Kukita, Daisuke Nozaki, Natsuko Horiguchi, Tamio Ueda
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Patent number: 11489314Abstract: A light-emitting element includes: a laminated structure body 20 which is formed from a GaN-based compound semiconductor and in which a first compound semiconductor layer 21 including a first surface 21a and a second surface 21b that is opposed to the first surface 21a, an active layer 23 that faces the second surface 21b of the first compound semiconductor layer 21, and a second compound semiconductor layer 22 including a first surface 22a that faces the active layer 23 and a second surface 22b that is opposed to the first surface 22a are laminated; a first light reflection layer 41 that is provided on the first surface 21a side of the first compound semiconductor layer 21; and a second light reflection layer 42 that is provided on the second surface 22b side of the second compound semiconductor layer 22. The first light reflection layer 41 includes a concave mirror portion 43, and the second light reflection layer 42 has a flat shape.Type: GrantFiled: December 18, 2020Date of Patent: November 1, 2022Assignee: Sony CorporationInventors: Susumu Sato, Tatsushi Hamaguchi, Shoichiro Izumi, Noriyuki Futagawa, Masamichi Ito, Jugo Mitomo, Hiroshi Nakajima
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Patent number: 11479497Abstract: A mold release lubricant application equipment 4 comprises application portions 30A,30B for applying a mold release lubricant to glass bottle forming molds 10, 18, and an application control portion 31 for operating the application portions 30A,30B. Molds 10,18 are arranged independently along a predetermined arrangement direction A1. A plurality of sections 5 comprising molds 10, 18 are formed along the arrangement direction A1. The application portions 30A, 30B comprise lubricant application parts 38A, 38B for applying the mold release lubricant, a transport mechanisms 33A, 33B for moving the lubricant application parts 38A,38B among the plurality of the sections along the arrangement direction A1, and sensors 42A, 42B. The application control portion 31 detects abnormalities with the sensors 42A, 42B on a plurality of sections 5.Type: GrantFiled: December 27, 2019Date of Patent: October 25, 2022Assignee: Nihon Yamamura Glass Co., Ltd.Inventors: Ryusuke Kawahara, Shota Ishiguro, Takahiro Nishimura, Ryu Wada, Kunikazu Oonishi, Hiroshi Ikeda, Hiroshi Nakajima, Masahiro Seto
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Patent number: 11461118Abstract: A function node control unit records a pair of an input message and a computer program as a journal log, and sends the input message and the computer program to a virtual machine unit. The virtual machine unit executes the computer program with the input message as an argument, and sends the execution result to the function node control unit. The function node control unit outputs the execution result as an output message. At the time of activation of the information processing device, a recovery unit restores the virtual machine unit to the state at a particular time in the past; sequentially fetches journal logs recorded after the particular time; causes the virtual machine unit to sequentially re-execute the computer programs with the input messages included in the respective journal logs as corresponding arguments; and roll-forwards the state of the virtual machine unit to the latest state.Type: GrantFiled: December 17, 2019Date of Patent: October 4, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA DIGITAL SOLUTIONS CORPORATIONInventors: Kotaro Endo, Hiroshi Nakajima
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Patent number: 11411372Abstract: A method of manufacturing a light emitting element includes, at least: (A) forming a stacked structure 20 which includes a GaN-based compound semiconductor and in which a first compound semiconductor layer 21, an active layer 23, and a second compound semiconductor layer 22 are stacked, and forming a concave mirror section 43 on a first surface side of the first compound semiconductor layer 21; then (B) forming a photosensitive material layer 35 over the second compound semiconductor layer 22; and thereafter (C) exposing the photosensitive material layer 35 to light from the concave mirror section side through the stacked structure 20, to obtain a treatment mask layer including the photosensitive material layer 35, and then processing the second compound semiconductor layer 22 by use of the treatment mask layer.Type: GrantFiled: April 27, 2018Date of Patent: August 9, 2022Assignee: Sony CorporationInventors: Tatsushi Hamaguchi, Jugo Mitomo, Susumu Sato, Hiroshi Nakajima, Masamichi Ito, Hidekazu Kawanishi
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Patent number: 11374384Abstract: A light-emitting device according to an embodiment of the present disclosure includes a laminate. The laminate includes an active layer, and a first semiconductor layer and a second semiconductor layer sandwiching the active layer. This light-emitting device further includes a current constriction layer having an opening and a vertical resonator including a first reflecting mirror having a concave-curved shape on the first semiconductor layer side and a second reflecting mirror on the second semiconductor side. The first reflecting mirror and the second reflecting mirror sandwich the laminate and the opening. This light-emitting device further includes an optically transparent substrate between the first reflecting mirror and the laminate. The optically transparent substrate has a first convex portion having a convex-curved shape and one or more second convex portions on a surface on the side opposite to the laminate. The first convex portion is in contact with the first reflecting mirror.Type: GrantFiled: April 16, 2018Date of Patent: June 28, 2022Assignee: Sony CorporationInventors: Susumu Sato, Tatsushi Hamaguchi, Jugo Mitomo, Hiroshi Nakajima, Masamichi Ito, Hidekazu Kawanishi
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Patent number: 11363961Abstract: A biological information analysis device including: an indicator extraction unit configured to extract an indicator indicating a cardiac state, from data regarding blood pressure waveforms that are consecutively measured by a sensor that is configured to be worn on a body part of a user and to be capable of non-invasively measuring a blood pressure waveform for each heartbeat; and a processing unit configured to output the indicator extracted by the indicator extraction unit. The indicator extraction unit is configured to extract a value of a cardiac load indicator for each heartbeat, from the data regarding blood pressure waveforms, and calculate the indicator indicating the cardiac state, based on characteristics related to distribution of values of the cardiac load indicator corresponding to a plurality of heartbeats.Type: GrantFiled: April 14, 2017Date of Patent: June 21, 2022Assignees: Omron Corporation, OMRON HEALTHCARE Co., Ltd.Inventors: Hiroshi Nakajima, Hirotaka Wada, Naoki Tsuchiya, Masaaki Kasai, Eriko Kan, Toru Uenoyama, Keiichi Obayashi, Ayako Kokubo, Yuya Ota, Toshikazu Shiga, Mitsuo Kuwabara, Hironori Sato, Ken Miyagawa, Masakazu Tsutsumi
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Publication number: 20220190555Abstract: A compound semiconductor layer stack includes: a first layer 11 being formed on a base 14 and including an island-shaped Alx1Iny1Ga(1-x1-y1)N; a second layer 12 being formed on the first layer 11 and including Alx2Iny2Ga(1-x2-y2)N; and a third layer 13 being formed on an entire surface including a top of the second layer 12, the third layer 13 including Alx3Ga(1-x3)N (provided that the following hold true: 0?x1<1; 0?x2<1; 0?x3<1; 0?y1<1; and 0<y2<1), and the third layer 13 has a top surface 13A that is flat.Type: ApplicationFiled: March 31, 2020Publication date: June 16, 2022Inventors: KUNIHIKO TASAI, HIROSHI NAKAJIMA, HIDEKAZU KAWANISHI, KATSUNORI YANASHIMA
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Patent number: 11309686Abstract: A surface emitting laser includes: a semiconductor layer containing a nitride semiconductor, and including a first semiconductor layer, an active layer, and a second semiconductor layer that are stacked in this order, in which the semiconductor layer includes a light emitting region; and a first light reflecting layer and a second light reflecting layer that are opposed to each other with the semiconductor layer being disposed therebetween. The first semiconductor layer has a high dislocation portion disposed outside the light emitting region. The high dislocation portion has an average dislocation density higher than an average dislocation density of the light emitting region.Type: GrantFiled: April 17, 2018Date of Patent: April 19, 2022Assignee: SONY CORPORATIONInventors: Hiroshi Nakajima, Tatsushi Hamaguchi, Jugo Mitomo, Susumu Sato, Masamichi Ito, Hidekazu Kawanishi
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Patent number: 11246501Abstract: A biological information analysis device including: an indicator extraction unit that is configured to extract, from time-series data regarding blood pressure waveforms consecutively measured by a sensor that is configured to be worn on a body part of a user and to be capable of non-invasively measuring a blood pressure waveform for each heartbeat, data regarding blood pressure waveforms corresponding to a period of time in which a change in blood pressure occurs, and extract an indicator that is related to the functionality of respiratory organs of the user, based on characteristics of the blood pressure waveforms corresponding to the period of time; and a processing unit that performs processing that is based on the indicator thus extracted.Type: GrantFiled: April 14, 2017Date of Patent: February 15, 2022Assignees: Omron Corporation, Omron Healthcare Co., Ltd.Inventors: Hiroshi Nakajima, Hirotaka Wada, Naoki Tsuchiya, Masaaki Kasai, Eriko Kan, Toru Uenoyama, Keiichi Obayashi, Ayako Kokubo, Yuya Ota, Toshikazu Shiga, Mitsuo Kuwabara, Hironori Sato, Ken Miyagawa, Masakazu Tsutsumi
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Publication number: 20210287155Abstract: Vital sign measurement data and motion measurement data obtained from workers during operation are used as primary indicators. The primary indicators and learning data generated separately are used to estimate the emotion and the cognition of the worker. The estimated emotion and cognition are used as secondary indicators. The secondary indicators and relational expressions generated separately are used to estimate the productivity of the worker. The variation of the productivity estimate is compared with a threshold that defines the condition for providing an intervention. When the variation of the productivity estimate is determined to exceed the threshold, the intervention is provided for the worker.Type: ApplicationFiled: February 28, 2018Publication date: September 16, 2021Applicant: OMRON CorporationInventors: Yasuyo KOTAKE, Hiroshi NAKAJIMA
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Publication number: 20210249844Abstract: A surface-emitting semiconductor laser including: an active layer including a nitride semiconductor; a first semiconductor layer of a first electrical conduction type and a second semiconductor layer of a second electrical conduction type that are opposed to each other with the active layer therebetween; and a current confinement layer that is opposed to the active layer with the second semiconductor layer therebetween and has an opening, in which a side surface of the current confinement layer is inclined at at least a portion of a peripheral edge of the opening.Type: ApplicationFiled: May 28, 2019Publication date: August 12, 2021Inventors: Hiroshi NAKAJIMA, Rintaro KODA, Tatsushi HAMAGUCHI