Patents by Inventor Masatoshi Tsuji
Masatoshi Tsuji 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: 20230375786Abstract: An optical member includes a light guide made of a transparent material. The light guide has: an incident surface; an exit surface having exit portions and flat portions; a smooth surface arranged opposite to the flat portions; an upper surface and a lower surface arranged opposite to each other so as to connect the smooth surface and the exit surface; a first protrusion protruding from the upper surface; and a second protrusion protruding from the lower surface. The flat portions reflect the incident light toward the smooth surface by total reflection. The smooth surface reflects the reflected light reflected by the flat portion toward the exit surface by total reflection. The exit portions emit a part of the incident light or a part of light reflected by the smooth surface to the outside.Type: ApplicationFiled: March 2, 2023Publication date: November 23, 2023Inventors: HIROSHI ANDO, MASATOSHI TSUJI
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Publication number: 20230341616Abstract: An optical member includes a light guide body and a light shielding member. The light guide body includes an incident surface on which a light from a blind area is incident, a first reflecting surface configured to reflect the light from the incident surface, a second reflecting surface configured to reflect the light reflected by the first reflecting surface, prisms protruding from the first reflecting surface in a normal direction of the first reflecting surface, and a protruding portion protruding from the first reflecting surface in the normal direction. The light shielding member is in contact with the protruding portion to provide a space between the light shielding member and the first reflecting surface and covers the first reflecting surface to block a light incident toward the first reflecting surface from an outside of the light guide body.Type: ApplicationFiled: March 27, 2023Publication date: October 26, 2023Inventors: Kazuyuki ISHIHARA, Masatoshi TSUJI
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Publication number: 20230280539Abstract: An optical member includes a light guide having: an incident surface on which an external scene light is incident from a blind area; a first reflecting surface that reflects light from the incident surface; and a second reflecting surface that reflects light reflected by the first reflecting surface. The optical member further includes a prism having: an exit surface that emits light from the incident surface and light reflected by the second reflecting surface to outside; and a light shielding surface connected to the exit surface to intersect the exit surface. A light from the incident surface and a light reflected by the second reflecting surface are incident on the light shielding surface. The light shielding surface has a rough surface, and a surface roughness of the rough surface is larger than a surface roughness of the exit surface.Type: ApplicationFiled: December 22, 2022Publication date: September 7, 2023Inventors: MASATOSHI TSUJI, HIROSHI ANDO
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Publication number: 20230118387Abstract: An optical device includes a light guide and a light shielding portion. The light guide has: an incident surface on which an external scene light coming from a blind area is incident; a first surface including flat portions and prism portions; and a second surface opposite to the flat portions. The light shielding portion is provided on a surface of the light guide or at a position away from the light guide so as to block an outside light entering the light guide. The light shielding portion has a first light shielding portion for blocking light incident on an inclined surface and a second light shielding portion for blocking light incident on the flat portion in a predetermined direction.Type: ApplicationFiled: September 22, 2022Publication date: April 20, 2023Inventors: MASATOSHI TSUJI, HIROSHI ANDO, KAZUYUKI ISHIHARA
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Publication number: 20230058463Abstract: An optical member includes a light guide body. The light guide body has an incident surface on which an outside light is incident, a first surface having flat portions and prism portions, an incident light incident on the incident surface reaching the first surface for the first time, and a second surface arranged opposite to the flat portions. The flat portions totally reflect the incident light toward the second surface. The second surface totally reflects a reflected light reflected by the flat portion toward the first surface. The prism portion has an ejection surface to emit the incident light to outside.Type: ApplicationFiled: July 29, 2022Publication date: February 23, 2023Inventors: Hiroshi ANDO, Kazuyuki ISHIHARA, Masatoshi TSUJI
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Publication number: 20220404598Abstract: An optical device introduces light from an outdoor view in a blind spot area hidden by an obstacle. The optical device includes a first reflector that reflects a part of light and transmits another part of the light, and a second reflector placed between a back surface of the first reflector and the obstacle and apart from the first reflector. The second reflector has a reflective surface that reflects light incident from the first reflector toward the first reflector. A light shield is placed at a front surface of the first reflector to block external light incident on and reflected from the front surface of the first reflector. The light shield includes light-shielding plates arranged at an interval in a vertical direction such that each light-shielding plate is horizontal. The first reflector is parallel to the reflective surface of the second reflector and tilted from a vertical axis.Type: ApplicationFiled: June 8, 2022Publication date: December 22, 2022Inventors: MASATOSHI TSUJI, KODAI TAKEDA, HIROSHI ANDO
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Publication number: 20180119288Abstract: According to one embodiment, a template forming method is provided. In the template forming method, a template pattern is formed on a first surface of a substrate. A high liquid repellent property portion is formed in a region different from the template pattern on a side of the first surface of the substrate. The high liquid repellent property portion has a higher contacting angle with respect to a resist than a portion without the high liquid repellent property portion formed therein.Type: ApplicationFiled: December 21, 2017Publication date: May 3, 2018Applicant: Toshiba Memory CorporationInventors: Masatoshi Tsuji, Masayuki Hatano, Yohko Komatsu, Tetsuro Nakasugi
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Patent number: 9885118Abstract: According to one embodiment, a template forming method is provided. In the template forming method, a template pattern is formed on a first surface of a substrate. A high liquid repellent property portion is formed in a region different from the template pattern on a side of the first surface of the substrate. The high liquid repellent property portion has a higher contacting angle with respect to a resist than a portion without the high liquid repellent property portion formed therein.Type: GrantFiled: September 3, 2015Date of Patent: February 6, 2018Assignee: Toshiba Memory CorporationInventors: Masatoshi Tsuji, Masayuki Hatano, Yohko Komatsu, Tetsuro Nakasugi
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Publication number: 20160247673Abstract: According to one embodiment, a template forming method is provided. In the template forming method, a template pattern is formed on a first surface of a substrate. A high liquid repellent property portion is formed in a region different from the template pattern on a side of the first surface of the substrate. The high liquid repellent property portion has a higher contacting angle with respect to a resist than a portion without the high liquid repellent property portion formed therein.Type: ApplicationFiled: September 3, 2015Publication date: August 25, 2016Inventors: Masatoshi TSUJI, Masayuki HATANO, Yohko KOMATSU, Tetsuro NAKASUGI
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Patent number: 9360752Abstract: According to one embodiment, a pattern formation method is disclosed. The method is configured to transfer a shape of a pattern to a plurality of shot regions of an object using a mold including a first pattern region and a second pattern region aligned with the first pattern region. The method can include transferring the shape of the pattern to each of the plurality of shot regions sequentially in a first direction from the first pattern region toward the second pattern region when the shape of the pattern is transferred using the first pattern region. The method can include transferring the shape of the pattern to each of the plurality of shot regions sequentially in a second direction from the second pattern region toward the first pattern region when the shape of the pattern is transferred using the second pattern region.Type: GrantFiled: July 11, 2013Date of Patent: June 7, 2016Assignee: Kabushiki Kaisha ToshibaInventors: Masatoshi Tsuji, Tetsuro Nakasugi, Masayuki Hatano
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Publication number: 20160056036Abstract: According to one embodiment, a template is provided which comprises a template pattern having protrusion pattern feature and recess pattern feature. High contact-angle portion whose contact angle is higher than side surface of the template pattern is placed in the template. The high contact-angle portion is placed in at least either top surface of the protrusion pattern feature or bottom surface of the recess pattern feature from among surfaces of the template pattern.Type: ApplicationFiled: February 27, 2015Publication date: February 25, 2016Inventors: Hiroshi TOKUE, Masayuki HATANO, Yohko KOMATSU, Hiroyuki KASHIWAGI, Masatoshi TSUJI
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Publication number: 20150221501Abstract: According to one embodiment, in an imprint method, a template in which a pattern is arranged in a central region and an outside region is contacted against a first imprint shot. Light is irradiated via a dimming member so that a partial region of a resist contacted by the outside region has hardness lower than target hardness, and thereafter, the template is separated. Furthermore, the template is contacted against a second imprint shot so that the first and second imprint shots are superposed in the partial region. Light is then irradiated so that the resist in the partial region reaches the target hardness, and thereafter, the template is separated.Type: ApplicationFiled: April 16, 2014Publication date: August 6, 2015Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Masatoshi Tsuji, Masayuki Hatano
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Publication number: 20140246808Abstract: According to one embodiment, a pattern formation method is disclosed. The method is configured to transfer a shape of a pattern to a plurality of shot regions of an object using a mold including a first pattern region and a second pattern region aligned with the first pattern region. The method can include transferring the shape of the pattern to each of the plurality of shot regions sequentially in a first direction from the first pattern region toward the second pattern region when the shape of the pattern is transferred using the first pattern region. The method can include transferring the shape of the pattern to each of the plurality of shot regions sequentially in a second direction from the second pattern region toward the first pattern region when the shape of the pattern is transferred using the second pattern region.Type: ApplicationFiled: July 11, 2013Publication date: September 4, 2014Inventors: Masatoshi TSUJI, Tetsuro NAKASUGI, Masayuki HATANO
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Patent number: 8013309Abstract: A movement distance measuring device that measures, as a movement distance, an amount of change per unit of time in a distance to a detected detection target object, an alarm signal output control device that performs control such that an alarm signal is outputted when the measured movement distance is a predetermined determination threshold value or more, and a determination threshold value varying device that varies the determination threshold value to a larger value when a state in which the movement distance is not less than the determination threshold value continues for not less than a first predetermined period and when a state in which the movement distance is less than the determination threshold value and a difference between the determination threshold value and the movement distance is not greater than a predetermined value continues for not less than a second predetermined period.Type: GrantFiled: April 20, 2006Date of Patent: September 6, 2011Assignee: Optex Co., Ltd.Inventor: Masatoshi Tsuji
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Patent number: 7760088Abstract: According to an embodiment, an intrusion detection sensor includes a microwave sensor (120) that transmits microwaves toward a detection area, receives the microwaves reflected by an object present in the detection area, and outputs a reflected wave reception intensity signal according to the received intensity; a direction variable antenna device (110); a scanning measurement means (131) that provides an instruction to scan the transmission/reception direction to the direction variable antenna device (110) to determine a relationship with the output of the reflected wave reception intensity signal; a detection target object presence determination means (132) that determines whether or not a detection target object is present based on the determined relationship; and an alarm signal output control means (133) that outputs an alarm signal when it is determined that a detection target object is present.Type: GrantFiled: June 22, 2006Date of Patent: July 20, 2010Assignee: Optex Co., Ltd.Inventor: Masatoshi Tsuji
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Publication number: 20090294670Abstract: One embodiment is provided with a movement distance measuring means (41) that measures as a movement distance an amount of change per unit of time in a distance to a detected detection target object, an alarm signal output control means (42) that performs control such that an alarm signal (Dout1) is outputted when the measured movement distance is a predetermined determination threshold value or more, and a determination threshold value varying means (43) that varies the determination threshold value to a larger value when a state in which the movement distance is not less than the determination threshold value continues for not less than a first predetermined period and when a state in which the movement distance is less than the determination threshold value and a difference between the determination threshold value and the movement distance is not greater than a predetermined value continues for not less than a second predetermined period.Type: ApplicationFiled: April 20, 2006Publication date: December 3, 2009Inventor: Masatoshi Tsuji
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Publication number: 20090079563Abstract: According to an embodiment, an intrusion detection sensor includes a microwave sensor (120) that transmits microwaves toward a detection area, receives the microwaves reflected by an object present in the detection area, and outputs a reflected wave reception intensity signal according to the received intensity; a direction variable antenna device (110); a scanning measurement means (131) that provides an instruction to scan the transmission/reception direction to the direction variable antenna device (110) to determine a relationship with the output of the reflected wave reception intensity signal; a detection target object presence determination means (132) that determines whether or not a detection target object is present based on the determined relationship; and an alarm signal output control means (133) that outputs an alarm signal when it is determined that a detection target object is present.Type: ApplicationFiled: June 22, 2006Publication date: March 26, 2009Inventor: Masatoshi Tsuji
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Publication number: 20090051529Abstract: One embodiment is provided with a microwave sensor (1) that sends a plurality of microwaves of different frequencies toward a detection area, then outputs a reflected wave detection signal (S1) indicating whether or not there is a detection target object in the detection area based on respective reflected waves, and outputs information (Vd) of a distance to the detection target object, a distance determination means (102) for determining whether or not the distance to the detection target object is a predetermined distance or greater based on the distance information (Vd), and an alarm signal output control means (104) for performing control such that an alarm signal (Dout1) is outputted only when the distance to the detection target object is the predetermined distance or greater and when the reflected wave detection signal (S1) is indicating a presence of a detection target object.Type: ApplicationFiled: April 10, 2006Publication date: February 26, 2009Inventor: Masatoshi Tsuji
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Publication number: 20080165002Abstract: According to one embodiment, a microwave sensor includes: a first directional coupler (DC1) connected on a path of a transmission antenna unit (A1); a second directional coupler (DC2) connected on a path of a reception antenna unit (A2), and a determination unit (4) that obtains, based on monitor outputs from these, a scattering parameter S11 corresponding to a reflectance property at the transmission antenna unit (A1) and a scattering parameter S21 corresponding to a transmission property from the transmission antenna unit (A1) to the reception antenna unit (A2), and outputs an alarm signal (Dout2) when at least one of the scattering parameter S11 and the scattering parameter S21 continuously exhibits a value outside its respective pre-set range over a predetermined period of time.Type: ApplicationFiled: December 26, 2005Publication date: July 10, 2008Applicant: OPTEX CO., LTD.Inventor: Masatoshi Tsuji
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Publication number: 20080150800Abstract: A phased array antenna apparatus includes: an antenna array portion having a plurality of antenna elements (2) disposed at equal intervals, and a plurality of phase shifters (3), each phase shifter being connected between the adjacent antenna elements and changing a phase of a transmission signal; a phase shifter control portion (4) controlling each phase shift quantity of the plurality of phase shifters (3); and a power feed path switching portion (5) for switching a power feed path from an external apparatus (6) to the antenna array portion to one of a path from one end of the antenna array portion and a path from the other end of the antenna array portion, and causing the control by the phase shifter control portion (4) to correspond to the switching.Type: ApplicationFiled: December 26, 2005Publication date: June 26, 2008Applicant: OPTEX CO., LTDInventor: Masatoshi Tsuji