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1.发明申请公开(公告)号：US20200037944A1
公开(公告)日：2020-02-06
申请号：US16583638
申请日：2019-09-26
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
Abstract: In order to objectively grasp a stress state of a user and to prevent postpartum depression, biological gas information is acquired via a network, where the biological gas information indicates a concentration of 2-phenoxyethanol of the user and is obtained by a sensor that detects 2-phenoxyethanol released from a skin surface of the user. From a memory storing information including an upper limit of a normal range of the concentration of 2-phenoxyethanol per unit period, the information indicating the upper limit of the normal range is read out. When a frequency in the unit period with which the concentration of 2-phenoxyethanol of the user exceeds the upper limit of the normal range is determined to have an increasing tendency based on the biological gas information obtained during a pregnancy period of the user, the information related to stress of the user is output to an information terminal of the user.
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2.发明申请公开(公告)号：US20200008756A1
公开(公告)日：2020-01-09
申请号：US16578239
申请日：2019-09-20
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: A61B5/00
Abstract: To objectively grasp a stress state of a user and to prevent a mental disorder of the user, the following steps are performed: acquiring, via a network, biogas information at multiple timings and time information corresponding to each of the multiple timings, wherein the biogas information represents a concentration of 2-ethyl-1-hexanol of a user acquired by a sensor that detects 2-ethyl-1-hexanol discharged from a skin surface of the user; obtaining reference information representing an upper limit of a normal range of the concentration of 2-ethyl-1-hexanol per unit period of time, using a memory storing the reference information representing the upper limit of the normal range; determining a stress time period during which a concentration of the 2-ethyl-1-hexanol of the user is more than the upper limit of the normal range, based on the acquired biological gas information; and outputting time period information indicating the determined stress time period to an information terminal of the user, to display the stress time period indicated by the time period information on a display of the information terminal.
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3.发明申请公开(公告)号：US20200008753A1
公开(公告)日：2020-01-09
申请号：US16576857
申请日：2019-09-20
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: A61B5/00
Abstract: In order to objectively grasp a stress state of a user and to prevent postpartum depression, biological gas information is acquired via a network, where the biological gas information indicates a concentration of benzyl alcohol of the user and is obtained by a sensor that detects benzyl alcohol released from a skin surface of the user. From a memory storing information including an upper limit of a normal range of the concentration of benzyl alcohol per unit period, the information indicating the upper limit of the normal range is read out. When a frequency in the unit period with which the concentration of benzyl alcohol of the user exceeds the upper limit of the normal range is determined to have an increasing tendency based on the biological gas information obtained during a pregnancy period of the user, the information related to stress of the user is output to an information terminal of the user.
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4.发明申请公开(公告)号：US20200008727A1
公开(公告)日：2020-01-09
申请号：US16575993
申请日：2019-09-19
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: A61B5/16 , A61B5/00 , G01N33/497
Abstract: To objectively grasp a stress state of a user and to prevent a mental disorder of the user, the following steps are performed: acquiring, via a network, biogas information at multiple timings and time information corresponding to each of the multiple timings, wherein the biogas information represents a concentration of heptadecane of a user acquired by a sensor that detects heptadecane discharged from a skin surface of the user; obtaining reference information representing an upper limit of a normal range of the concentration of heptadecane per unit period of time, using a memory storing the reference information representing the upper limit of the normal range; determining a stress time period during which a concentration of the heptadecane of the user is more than the upper limit of the normal range, based on the acquired biological gas information; and outputting time period information indicating the determined stress time period to an information terminal of the user, to display the stress time period indicated by the time period information on a display of the information terminal.
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5.发明申请公开(公告)号：US20200022634A1
公开(公告)日：2020-01-23
申请号：US16586823
申请日：2019-09-27
Inventor： YUKARI NISHIYAMA , YASUAKI OKUMURA , MASAHIKO TSUKUDA
IPC: A61B5/16 , A61B5/00 , G01N33/497
Abstract: A method includes: acquiring, via a network, biogas information at multiple timings and time information corresponding to time at each of the multiple timings, wherein the biogas represents a concentration of furfural of a user acquired by a sensor that detects the furfural discharged from a skin surface of the user; obtaining reference information representing a lower limit of a normal range of furfural per unit period of time, using a memory storing the reference information representing the lower limit of the normal range; determining a stress time period during which a concentration of the furfural of the user is less than the lower limit of the normal range, based on the acquired biogas information; and outputting time period information indicating the determined stress time period to an information terminal of the user.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20200022633A1
公开(公告)日：2020-01-23
申请号：US16583652
申请日：2019-09-26
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: A61B5/16 , A61B5/00 , A61B5/117 , G16H40/20 , G01N33/497
Abstract: In order to objectively grasp a stress state of a user and to prevent postpartum depression, biological gas information is acquired via a network, where the biological gas information indicates a concentration of hexadecane of the user and is obtained by a sensor that detects hexadecane released from a skin surface of the user. From a memory storing information including an upper limit of a normal range of the concentration of hexadecane per unit period, the information indicating the upper limit of the normal range is read out. When a frequency in the unit period with which the concentration of hexadecane of the user exceeds the upper limit of the normal range is determined to have an increasing tendency based on the biological gas information obtained during a pregnancy period of the user, the information related to stress of the user is output to an information terminal of the user.
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7.发明申请公开(公告)号：US20200015743A1
公开(公告)日：2020-01-16
申请号：US16581798
申请日：2019-09-25
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: A61B5/00
Abstract: In order to objectively grasp a stress state of a user and to prevent postpartum depression, biological gas information is acquired via a network, where the biological gas information indicates a concentration of heptadecane of the user and is obtained by a sensor that detects heptadecane released from a skin surface of the user. From a memory storing information including an upper limit of a normal range of the concentration of heptadecane per unit period, the information indicating the upper limit of the normal range is read out. When a frequency in the unit period with which the concentration of heptadecane of the user exceeds the upper limit of the normal range is determined to have an increasing tendency based on the biological gas information obtained during a pregnancy period of the user, the information related to stress of the user is output to an information terminal of the user.
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8.发明申请公开(公告)号：US20200013506A1
公开(公告)日：2020-01-09
申请号：US16576040
申请日：2019-09-19
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: G16H40/67
Abstract: To objectively grasp a stress state of a user and to prevent a mental disorder of the user, the following steps are performed: acquiring, via a network, biogas information at multiple timings and time information corresponding to each of the multiple timings, wherein the biogas information represents a concentration of benzyl alcohol of a user acquired by a sensor that detects benzyl alcohol discharged from a skin surface of the user; obtaining reference information representing an upper limit of a normal range of the concentration of benzyl alcohol per unit period of time, using a memory storing the reference information representing the upper limit of the normal range; determining a stress time period during which a concentration of the benzyl alcohol of the user is more than the upper limit of the normal range, based on the acquired biological gas information; and outputting time period information indicating the determined stress time period to an information terminal of the user, to display the stress time period indicated by the time period information on a display of the information terminal.
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9.发明申请公开(公告)号：US20200008752A1
公开(公告)日：2020-01-09
申请号：US16576845
申请日：2019-09-20
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: A61B5/00
Abstract: To objectively grasp a stress state of a user and to prevent a mental disorder of the user, the following steps are performed: acquiring, via a network, biogas information at multiple timings and time information corresponding to each of the multiple timings, wherein the biogas information represents a concentration of 1-dodecanol of a user acquired by a sensor that detects 1-dodecanol discharged from a skin surface of the user; obtaining reference information representing an upper limit of a normal range of the concentration of 1-dodecanol per unit period of time, using a memory storing the reference information representing the upper limit of the normal range; determining a stress time period during which a concentration of the 1-dodecanol of the user is more than the upper limit of the normal range, based on the acquired biological gas information; and outputting time period information indicating the determined stress time period to an information terminal of the user, to display the stress time period indicated by the time period information on a display of the information terminal.
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公开(公告)号：US20210356565A1
公开(公告)日：2021-11-18
申请号：US17391051
申请日：2021-08-02
Inventor： MASAHIKO TSUKUDA , TAKAIKI NOMURA , YASUHISA INADA
IPC: G01S7/481 , G02F1/13 , G02F1/1343 , G02F1/133 , G02F1/1335
Abstract: An optical device includes: a first mirror having translucency and including a first reflecting surface extending along a first direction and a second direction intersecting the first direction; a second mirror including a second reflecting surface facing the first reflecting surface; an optical waveguide layer located between the first mirror and the second mirror, the optical waveguide layer including a plurality of non-waveguide areas laid side-by-side along the second direction and one or more optical waveguide areas located between the plurality of non-waveguide areas, the optical waveguide areas containing a liquid crystal material, having a higher average refractive index than do the plurality of non-waveguide areas, and propagating light along the first direction; and two electrode layers facing each other across the optical waveguide layer, at least one of the two electrode layers including a plurality of electrodes laid side-by-side along the second direction.
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