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21.发明申请公开(公告)号：US20200015759A1
公开(公告)日：2020-01-16
申请号：US16583320
申请日：2019-09-26
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 2-ethyl-1-hexanol of the user and is obtained by a sensor that detects 2-ethyl-1-hexanol 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-ethyl-1-hexanol 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-ethyl-1-hexanol 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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22.发明申请公开(公告)号：US20200008754A1
公开(公告)日：2020-01-09
申请号：US16577764
申请日：2019-09-20
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: A61B5/00
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 2-ethylhexanoic acid of a user acquired by a sensor that detects the 2-ethylhexanoic acid discharged from a skin surface of the user; obtaining reference information representing a lower limit of a normal range of 2-ethylhexanoic acid 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 2-ethylhexanoic acid 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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23.发明申请公开(公告)号：US20200008730A1
公开(公告)日：2020-01-09
申请号：US16578249
申请日：2019-09-20
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: A61B5/16 , G16H40/67 , G01N33/497 , A61B5/00 , A61B10/00
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-phenoxyethanol of a user acquired by a sensor that detects 2-phenoxyethanol discharged from a skin surface of the user; obtaining reference information representing an upper limit of a normal range of the concentration of 2-phenoxyethanol 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-phenoxyethanol 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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24.发明申请公开(公告)号：US20200008728A1
公开(公告)日：2020-01-09
申请号：US16578226
申请日：2019-09-20
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: A61B5/16 , G16H40/67 , G01N33/497 , A61B5/00 , A61B10/00
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 ethylene glycol of the user and is obtained by a sensor that detects ethylene glycol 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 ethylene glycol 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 ethylene glycol 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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25.发明申请公开(公告)号：US20170343510A1
公开(公告)日：2017-11-30
申请号：US15350155
申请日：2016-11-14
Inventor： MASAHIKO TSUKUDA , TOMOHIRO OTA , TAKESHI YAMAMOTO , NORIHITO TSUKAHARA
CPC classification number: G01N27/622 , G01N27/624 , H01J49/0031 , H01J49/0422 , H01J49/06
Abstract: The present invention provides a field asymmetric ion mobility spectrometer for selectively separating at least one kind of material from a mixture containing two or more kinds of materials. A filter included in the spectrometry comprises first—four plate-like electrodes each having a principal plane parallel to a direction from an ionizer toward a filter. The second plate-like electrode is located between the first plate-like electrode and the third plate-like electrode. The third plate-like electrode is located between the second plate-like electrode and the fourth plate-like electrode. The third and fourth plate-like electrodes are electrically connected to the first and second plate-like electrodes, respectively. An interspace is formed between two adjacent plate-like electrodes. The present invention provides a field asymmetric ion mobility spectrometer having high separation ability.
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Patent Agency Ranking
公开(公告)号：US20210149136A1
公开(公告)日：2021-05-20
申请号：US17160908
申请日：2021-01-28
Inventor： TAKAIKI NOMURA , HIROYUKI TAKAGI , MASAHIKO TSUKUDA , YASUHISA INADA , TAKU HIRASAWA
Abstract: An optical device includes a first substrate, a second substrate, a plurality of separation walls, one or more optical waveguides, and one or more spacers. The first substrate has a surface which extends in a first direction and a second direction intersecting the first direction. The second substrate faces the first substrate. The plurality of separation walls are positioned between the first substrate and the second substrate and extend in the first direction. The one or more optical waveguides are positioned between the first substrate and the second substrate and include one or more dielectric members which are positioned between the plurality of separation walls and which extend in the first direction. The one or more spacers are directly or indirectly sandwiched between the first substrate and the second substrate and positioned around the one or more optical waveguides.
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27.发明申请公开(公告)号：US20200022635A1
公开(公告)日：2020-01-23
申请号：US16586860
申请日：2019-09-27
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 1-dodecanol of the user and is obtained by a sensor that detects 1-dodecanol 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 1-dodecanol 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 1-dodecanol 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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28.发明申请公开(公告)号：US20200015742A1
公开(公告)日：2020-01-16
申请号：US16581797
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 acetophenone of the user and is obtained by a sensor that detects acetophenone 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 acetophenone 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 acetophenone 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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29.发明申请公开(公告)号：US20200015731A1
公开(公告)日：2020-01-16
申请号：US16583317
申请日：2019-09-26
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 tetradecane of a user acquired by a sensor that detects tetradecane discharged from a skin surface of the user; obtaining reference information representing an upper limit of a normal range of the concentration of tetradecane 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 tetradecane 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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30.发明申请公开(公告)号：US20200015730A1
公开(公告)日：2020-01-16
申请号：US16577730
申请日：2019-09-20
Inventor： YUKARI NISHIYAMA , MASAHIKO TSUKUDA , YASUAKI OKUMURA
IPC: A61B5/16 , G16H70/00 , A61B5/00 , A61B5/117 , 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 dimethyl adipate of the user and is obtained by a sensor that detects dimethyl adipate 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 dimethyl adipate 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 dimethyl adipate 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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