Patents by Inventor Hideaki Hasegawa
Hideaki Hasegawa 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: 20230393117Abstract: A biological information measurement device includes: a scattering rate calculating unit configured to calculate a scattering rate of light at an interface between a medium present in a biological object or in a specimen and a particle included in the medium based on received-light intensity of light irradiated onto the biological object or onto the specimen and received via the biological object or via the specimen; and a concentration index calculating unit configured to calculate, based on a correlation between the scattering rate of the light at the interface and a concentration index corresponding to concentration of a target substance that is different from the particle included in the medium, the concentration index corresponding to the scattering rate of the light calculated by the scattering rate calculating unit.Type: ApplicationFiled: August 16, 2023Publication date: December 7, 2023Applicants: FURUKAWA ELECTRIC CO., LTD., TOHOKU UNIVERSITYInventors: Hideaki HASEGAWA, Takayori ITO, Hiroyuki TAMAOKA, Koji KAWAJIRI, Rihito KURODA
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Publication number: 20230296449Abstract: A temperature sensor includes: a light source outputting test light; a sensor optical fiber transmitting, when the test light is inputted, the test light at any temperature within a temperature range of 20° C. to 150° C. with a loss of 0.3 dB/m or more; a light receiver receiving the test light transmitted by the sensor optical fiber; and a processing device detecting temperature of the sensor optical fiber based on intensity of the test light received by the light receiver. The sensor optical fiber includes a core, and a clad provided on an outer circumference of the core; and, when the temperature of the sensor optical fiber increases, the temperature sensor 1 detects the temperature with a change in the intensity of the test light received by the light receiver increases, caused by an increase in a refractive index difference between the core and the clad, and an increase in confinement of the test light transmitted in the core.Type: ApplicationFiled: March 15, 2023Publication date: September 21, 2023Applicant: FURUKAWA ELECTRIC CO., LTD.Inventor: Hideaki HASEGAWA
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Publication number: 20230204842Abstract: Provided is a light diffusion device capable of irradiating laser light onto a plurality of locations in a human body in a state in which a distal end portion of an optical transmission cable is placed in the human body. The light diffusion device includes an optical transmission cable including a plurality of cores, and a light refracting portion configured to refract the light emitted from each of the plurality of cores so that irradiation directions thereof are different from each other. With such a configuration, it is possible to irradiate the laser light in a plurality of directions when the distal end of the optical transmission cable is placed in the human body. Therefore, it is possible to change the location where the laser light is irradiated without extracting or re-inserting the optical transmission cable from or into the human body, thereby shortening the time required for photoimmunotherapy.Type: ApplicationFiled: December 1, 2022Publication date: June 29, 2023Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Keisuke TAKE, Hideaki HASEGAWA, Shun-ichi MATSUSHITA
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Publication number: 20230204441Abstract: An object detection device includes: an optical fiber at least partially including a sensor optical fiber configured to transmit light with a loss of 0.3 dB/m or more; and a light receiving unit configured to receive, from the optical fiber, the light received by the sensor optical fiber, wherein the object detection device is configured to detect an object based on an intensity of the light received by the light receiving unit.Type: ApplicationFiled: March 3, 2023Publication date: June 29, 2023Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Takashi FUJIHATA, Hideaki HASEGAWA, Takayori ITO, Hiroyuki TAMAOKA
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Publication number: 20230200658Abstract: An in vivo pressure measurement device includes: a light source configured to output test light; an optical fiber, to which the test light is input, at least partially including a sensor optical fiber configured to transmit the test light with a loss of 0.3 dB/m or more; and a light receiving unit configured to receive the test light transmitted through the sensor optical fiber. The in vivo pressure measurement device is configured to measure pressure in a living body acting on the sensor optical fiber based on intensity of the test light received at the light receiving unit.Type: ApplicationFiled: March 6, 2023Publication date: June 29, 2023Applicants: FURUKAWA ELECTRIC CO., LTD., ZEON CORPORATIONInventors: Hideaki HASEGAWA, Hiroyuki TAMAOKA, Takashi FUJIHATA
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Publication number: 20230161102Abstract: A sensing cable includes a first optical fiber, a second optical fiber that extends along the first optical fiber and that is spaced from the first optical fiber, and a transmitting material that includes an intervention portion present between the first optical fiber and the second optical fiber, the transmitting material being configured to transmit light from the first optical fiber to the second optical fiber through the intervention portion.Type: ApplicationFiled: October 19, 2022Publication date: May 25, 2023Applicant: FURUKAWA ELECTRIC CO., LTD.Inventor: Hideaki HASEGAWA
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Patent number: 11495612Abstract: An alternating stack of insulating layers and sacrificial material layers is formed over a substrate. Memory openings and support openings are formed through the alternating stack, and memory opening fill structures and support pillar structures are formed in the memory openings and in the support openings, respectively. Via cavities extending to each of the sacrificial material layers are formed through the alternating stack without forming any stepped surfaces in the alternating stack. The via cavities may be formed in areas that do not overlap with the support pillar structures, or in areas that include at least one support pillar structure. Sacrificial via fill structures are formed in the via cavies, and the sacrificial material layers are replaced with electrically conductive layers. The sacrificial via fill structures are removed, and a combination of a tubular dielectric spacer and a contact via structure can be formed in the via cavities.Type: GrantFiled: July 1, 2020Date of Patent: November 8, 2022Assignee: SANDISK TECHNOLOGIES LLCInventors: Yoshinobu Tanaka, Koichi Ito, Hideaki Hasegawa, Akihiro Tobioka, Sung Tae Lee
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Patent number: 11450679Abstract: An alternating stack of insulating layers and sacrificial material layers is formed over a substrate. Memory openings and support openings are formed through the alternating stack, and memory opening fill structures and support pillar structures are formed in the memory openings and in the support openings, respectively. Via cavities extending to each of the sacrificial material layers are formed through the alternating stack without forming any stepped surfaces in the alternating stack. The via cavities may be formed in areas that do not overlap with the support pillar structures, or in areas that include at least one support pillar structure. Sacrificial via fill structures are formed in the via cavies, and the sacrificial material layers are replaced with electrically conductive layers. The sacrificial via fill structures are removed, and a combination of a tubular dielectric spacer and a contact via structure can be formed in the via cavities.Type: GrantFiled: July 1, 2020Date of Patent: September 20, 2022Assignee: SANDISK TECHNOLOGIES LLCInventors: Yoshinobu Tanaka, Koichi Ito, Hideaki Hasegawa, Akihiro Tobioka, Sung Tae Lee
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Publication number: 20220005824Abstract: An alternating stack of insulating layers and sacrificial material layers is formed over a substrate. Memory openings and support openings are formed through the alternating stack, and memory opening fill structures and support pillar structures are formed in the memory openings and in the support openings, respectively. Via cavities extending to each of the sacrificial material layers are formed through the alternating stack without forming any stepped surfaces in the alternating stack. The via cavities may be formed in areas that do not overlap with the support pillar structures, or in areas that include at least one support pillar structure. Sacrificial via fill structures are formed in the via cavies, and the sacrificial material layers are replaced with electrically conductive layers. The sacrificial via fill structures are removed, and a combination of a tubular dielectric spacer and a contact via structure can be formed in the via cavities.Type: ApplicationFiled: July 1, 2020Publication date: January 6, 2022Inventors: Yoshinobu TANAKA, Koichi ITO, Hideaki HASEGAWA, Akihiro TOBIOKA, Sung Tae LEE
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Publication number: 20220005818Abstract: An alternating stack of insulating layers and sacrificial material layers is formed over a substrate. Memory openings and support openings are formed through the alternating stack, and memory opening fill structures and support pillar structures are formed in the memory openings and in the support openings, respectively. Via cavities extending to each of the sacrificial material layers are formed through the alternating stack without forming any stepped surfaces in the alternating stack. The via cavities may be formed in areas that do not overlap with the support pillar structures, or in areas that include at least one support pillar structure. Sacrificial via fill structures are formed in the via cavies, and the sacrificial material layers are replaced with electrically conductive layers. The sacrificial via fill structures are removed, and a combination of a tubular dielectric spacer and a contact via structure can be formed in the via cavities.Type: ApplicationFiled: July 1, 2020Publication date: January 6, 2022Inventors: Yoshinobu TANAKA, Koichi ITO, Hideaki HASEGAWA, Akihiro TOBIOKA, Sung Tae LEE
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Publication number: 20210396617Abstract: A pressure sensor includes: a light source that outputs signal light; a sensor optical fiber where the signal light is input and the signal light is propagated with a loss of 0.3 dB/m or more; and an optical receiver that receives the signal light propagated through the sensor optical fiber. Further, pressure applied to the sensor optical fiber is detected on a basis of intensity of the signal light received by the optical receiver.Type: ApplicationFiled: September 3, 2021Publication date: December 23, 2021Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Hideaki HASEGAWA, Hiroyuki TAMAOKA, Takeshi YAGI, Shinichi ARAI
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Patent number: 10948844Abstract: A controller which causes a light emitting element to continuously perform minute emission for a plurality of dots in a level in which toner is not attached to a non-image section on an image bearing member is provided. The controller controls a first driving current for an image section and controls a second driving current used to perform the minute emission by the light emitting element in the non-image section several times in one job. In the image section, a driving current obtained by adding the first driving current to the second driving current is supplied so that the light emitting element emits light.Type: GrantFiled: June 19, 2019Date of Patent: March 16, 2021Assignee: CANON KABUSHIKI KAISHAInventors: Kiyoto Toyoizumi, Masaru Shimura, Shinsuke Kobayashi, Hideo Nanataki, Shinji Katagiri, Yasunari Watanabe, Hideaki Hasegawa, Masahiro Tambo
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Publication number: 20190302639Abstract: A controller which causes a light emitting element to continuously perform minute emission for a plurality of dots in a level in which toner is not attached to a non-image section on an image bearing member is provided. The controller controls a first driving current for an image section and controls a second driving current used to perform the minute emission by the light emitting element in the non-image section several times in one job. In the image section, a driving current obtained by adding the first driving current to the second driving current is supplied so that the light emitting element emits light.Type: ApplicationFiled: June 19, 2019Publication date: October 3, 2019Inventors: Kiyoto Toyoizumi, Masaru Shimura, Shinsuke Kobayashi, Hideo Nanataki, Shinji Katagiri, Yasunari Watanabe, Hideaki Hasegawa, Masahiro Tambo
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Patent number: 10372058Abstract: A controller which causes a light emitting element to continuously perform minute emission for a plurality of dots in a level in which toner is not attached to a non-image section on an image bearing member is provided. The controller controls a first driving current for an image section and controls a second driving current used to perform the minute emission by the light emitting element in the non-image section several times in one job. In the image section, a driving current obtained by adding the first driving current to the second driving current is supplied so that the light emitting element emits light.Type: GrantFiled: August 4, 2017Date of Patent: August 6, 2019Assignee: CANON KABUSHIKI KAISHAInventors: Kiyoto Toyoizumi, Masaru Shimura, Shinsuke Kobayashi, Hideo Nanataki, Shinji Katagiri, Yasunari Watanabe, Hideaki Hasegawa, Masahiro Tambo
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Patent number: 10176747Abstract: A display driver is configured to drive a display device according to a video signal. The display signal includes a plurality of first to N-th output amplifiers (N is an integer greater than two) and an output electrical current capacity setting portion. The first to N-th output amplifiers are configured to amplify first to N-th gradation voltages a representing brightness level per pixel according to the video signal, so that the first to N-th output amplifiers obtain first to N-th pixel drive voltages. Further, the first to N-th output amplifiers are configured to output the first to N-th pixel drive voltages to the display device. The output electrical current capacity setting portion is configured to set an output electrical current capacity of each of the first to N-th output amplifiers individually or in a group of a plurality of output amplifiers.Type: GrantFiled: March 22, 2017Date of Patent: January 8, 2019Assignee: LAPIS SEMICONDUCTOR CO., LTD.Inventors: Hideaki Hasegawa, Hideki Masai
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Patent number: 10133160Abstract: A portable information device having a projector unit is disclosed. The projector unit includes a chassis, a connection terminal part and a projector part. The chassis includes an attachment part removably attached to an attachment target part disposed on a side surface of the portable information device. The connection terminal part is electrically connected to a terminal of the portable information device when the attachment part is attached to the attachment target part. The projector part is rotatably attached to the chassis so that a direction of projection from a projector lens can be changed.Type: GrantFiled: December 9, 2016Date of Patent: November 20, 2018Assignee: LENOVO (SINGAPORE) PTE LTDInventors: Kazuo Fujii, Eiji Shinohara, Hideaki Hasegawa
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Patent number: 9898043Abstract: An electronic device having a portable information equipment and an expansion unit is disclosed. The portable information equipment can be a tablet PC and the expansion unit is configured to expand a function of the tablet PC. The expansion unit includes an attachment part having a hook configured to be movable in an engagement direction from a non-engagement position to an engagement position, in the non-engagement position. The hook can be inserted into an engagement hole disposed at an attached part of the tablet PC in the engagement position. The hook can be further movable in a pulling direction of pulling the tablet PC towards the expansion unit 14, with the pulling direction being orthogonal to the engagement direction. A lever is utilized to move the hook in the engagement direction and in the pulling direction.Type: GrantFiled: December 21, 2016Date of Patent: February 20, 2018Assignee: Lenovo (Singapore) PTE LTDInventors: Hiroaki Agata, Kazuo Nakada, Eiji Shinohara, Hideaki Hasegawa
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Publication number: 20170357175Abstract: A controller which causes a light emitting element to continuously perform minute emission for a plurality of dots in a level in which toner is not attached to a non-image section on an image bearing member is provided. The controller controls a first driving current for an image section and controls a second driving current used to perform the minute emission by the light emitting element in the non-image section several times in one job. In the image section, a driving current obtained by adding the first driving current to the second driving current is supplied so that the light emitting element emits light.Type: ApplicationFiled: August 4, 2017Publication date: December 14, 2017Inventors: Kiyoto Toyoizumi, Masaru Shimura, Shinsuke Kobayashi, Hideo Nanataki, Shinji Katagiri, Yasunari Watanabe, Hideaki Hasegawa, Masahiro Tambo
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Patent number: 9805669Abstract: A plurality of video data pieces corresponding to one horizontal scan line of a display panel are classified into a first video data group and a second video data group different from the first video data group. Each piece of video data belonging to the first video data group is converted into a gradation voltage having an analog voltage value, and by interpolation based on each of the gradation voltages, a gradation voltage corresponding to each of the video data pieces belonging to said second video data group is obtained.Type: GrantFiled: May 20, 2015Date of Patent: October 31, 2017Assignee: LAPIS SEMICONDUCTOR CO., LTD.Inventor: Hideaki Hasegawa
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Patent number: 9786989Abstract: Disclosed is an NFC antenna that facilitates a touch operation of a portable electronic instrument. An NFC antenna includes insulating substrates and an antenna coil having a front surface pattern and a back surface pattern formed on antenna surfaces that are present on the same planes. The insulating substrates are molded into an L shape together with a magnetic sheet sandwiched therebetween. The antenna coil is also arranged in the L shape in a similar manner. When the NFC antenna is arranged at a corner of a smart phone, a coil opening faces to a position of a touch corner. NFC can be started in a short time by a touch operation using the touch corner.Type: GrantFiled: November 19, 2014Date of Patent: October 10, 2017Assignee: Lenovo (Singapore) PTE. LTD.Inventors: Hideto Horikoshi, Hideaki Hasegawa