Patents by Inventor Shinichi Yamashita
Shinichi Yamashita 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: 20240136309Abstract: Provided is a semiconductor device with higher reliability and longer life which can suppress an increase in production costs. A semiconductor device includes: a semiconductor element; a top electrode on an upper surface of the semiconductor element; and a conductive metal plate containing copper as a main component and solid-state diffusion bonded to the top electrode of the semiconductor element.Type: ApplicationFiled: July 25, 2023Publication date: April 25, 2024Applicant: Mitsubishi Electric CorporationInventors: Yasunari HINO, Junichi YAMASHITA, Koji TANAKA, Tomohide TERASHIMA, Shinichi IZUO
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Publication number: 20240122988Abstract: The present invention relates to a synapse formation promoter and a brain plasticity promoter comprising CD24-negative mesenchymal stem cells prepared from a patient's own bone marrow aspirate and treatment of dementia, chronic-phase cerebral infarction, chronic-phase spinal cord injury, mental diseases, and the like using the synapse formation promoter and brain plasticity promoter.Type: ApplicationFiled: April 26, 2023Publication date: April 18, 2024Applicants: Sapporo Medical University, Nipro CorporationInventors: Osamu Honmou, Masanori Sasaki, Rie Maezawa, Shinichi Oka, Yuko Sasaki, Masahito Nakazaki, Toshihiko Yamashita
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Patent number: 11688592Abstract: A photocathode including a substrate, a photoelectric conversion layer provided on the substrate and generating photoelectrons in response to incidence of light, and an underlayer provided between the substrate and the photoelectric conversion layer and containing beryllium, in which the underlayer has a first underlayer containing a nitride of beryllium.Type: GrantFiled: May 12, 2020Date of Patent: June 27, 2023Assignee: HAMAMATSU PHOTONICS K.K.Inventors: Terunori Kawai, Yoshitaka Torii, Masami Shibayama, Hiroyuki Watanabe, Shinichi Yamashita
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Patent number: 11409102Abstract: A head mounted system includes an eye imaging device configured to image an eye of a wearer of the head mounted system, a periphery imaging device configured to image a periphery of the wearer, a display device configured to display, toward the wearer, a peripheral image of the periphery of the wearer imaged by the periphery imaging device, and a control device configured to adjust display of the peripheral image on the display device based on an eye image of the eye of the wearer imaged by the eye imaging device.Type: GrantFiled: December 1, 2020Date of Patent: August 9, 2022Assignee: Canon Kabushiki KaishaInventors: Hiroshi Hosokawa, Osamu Nomura, Shinichi Yamashita, Hiroshi Yoshioka, Takeshi Ichikawa
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Publication number: 20220230860Abstract: A photocathode including a substrate, a photoelectric conversion layer provided on the substrate and generating photoelectrons in response to incidence of light, and an underlayer provided between the substrate and the photoelectric conversion layer and containing beryllium, in which the underlayer has a first underlayer containing a nitride of beryllium.Type: ApplicationFiled: May 12, 2020Publication date: July 21, 2022Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Terunori KAWAI, Yoshitaka TORII, Masami SHIBAYAMA, Hiroyuki WATANABE, Shinichi YAMASHITA
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Publication number: 20210165214Abstract: A head mounted system includes an eye imaging device configured to image an eye of a wearer of the head mounted system, a periphery imaging device configured to image a periphery of the wearer, a display device configured to display, toward the wearer, a peripheral image of the periphery of the wearer imaged by the periphery imaging device, and a control device configured to adjust display of the peripheral image on the display device based on an eye image of the eye of the wearer imaged by the eye imaging device.Type: ApplicationFiled: December 1, 2020Publication date: June 3, 2021Inventors: Hiroshi Hosokawa, Osamu Nomura, Shinichi Yamashita, Hiroshi Yoshioka, Takeshi Ichikawa
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Patent number: 9350958Abstract: A solid-state imaging apparatus, including a plurality of pixels, and an A/D conversion unit configured to convert a pixel signal of an analog signal into a digital signal, wherein the A/D conversion unit comprises a comparator, a sampling unit, a counter, and an output unit configured to output the digital signal based on a count result of the counter and a sampling result of the sampling unit, and the sampling unit comprises first and second latch units configured to latch an output from the comparator in response to first and second clock signals, respectively, and a third latch unit configured to latch an output from the first latch unit in response to an output of the second latch unit.Type: GrantFiled: February 3, 2015Date of Patent: May 24, 2016Assignee: Canon Kabushiki KaishaInventors: Hirofumi Totsuka, Daisuke Yoshida, Shinichi Yamashita
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Publication number: 20150237315Abstract: A solid-state imaging apparatus, including a plurality of pixels, and an A/D conversion unit configured to convert a pixel signal of an analog signal into a digital signal, wherein the A/D conversion unit comprises a comparator, a sampling unit, a counter, and an output unit configured to output the digital signal based on a count result of the counter and a sampling result of the sampling unit, and the sampling unit comprises first and second latch units configured to latch an output from the comparator in response to first and second clock signals, respectively, and a third latch unit configured to latch an output from the first latch unit in response to an output of the second latch unit.Type: ApplicationFiled: February 3, 2015Publication date: August 20, 2015Inventors: Hirofumi Totsuka, Daisuke Yoshida, Shinichi Yamashita
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Patent number: 8421354Abstract: The present invention relates to a photocathode having a structure to dramatically improve the effective quantum efficiency in comparison with that of a conventional art, an photomultiplier and an electron tube. The photocathode comprises a supporting substrate transmitting or blocking an incident light, a photoelectron emitting layer containing an alkali metal provided on the supporting substrate, and an underlayer provided between the supporting substrate and the photoelectron emitting layer. Particularly, the underlayer contains a beryllium oxide, and is adjusted in its thickness such that a thickness ratio of the underlayer to the photoelectron emitting layer falls within a specific range. This structure allows to obtain a photocathode having a dramatically improved quantum efficiency.Type: GrantFiled: December 19, 2007Date of Patent: April 16, 2013Assignee: Hamamatsu Photonics K.K.Inventors: Fumio Watase, Shinichi Yamashita, Hiroyuki Watanabe
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Patent number: 8349027Abstract: A process which enables a plastic lenses having a refractive index of 1.7 or greater and, in particular, plastic lenses having a refractive index of 1.7 to 1.8 to be dyed uniformly to a great density without unevenness, which is, specifically, a process for producing a dyed plastic lens which comprises conducting following steps (1), (2) and (3) in this order: Step (1): a step comprising coating a substrate at 60° C.Type: GrantFiled: July 30, 2010Date of Patent: January 8, 2013Assignee: HOYA CorporationInventors: Misa Mishina, Takaaki Kubotera, Shinya Miyajima, Yoko Sakai, Shinichi Yamashita
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Patent number: 8212475Abstract: In the photocathode, an underlayer made of a crystalline material containing La2O3 is provided between a supporting substrate and a photoelectron emission layer, and is in contact with the photoelectron emission layer. Therefore, for example, at the time of heat treatment in a manufacturing process of the photocathode, dispersion to the supporting substrate side of an alkali metal contained in the photoelectron emission layer is suppressed. Further, it is assumed that this underlayer functions so as to reverse the direction of, out of photoelectrons e? generated within the photoelectron emission layer, photoelectrons traveling toward the supporting substrate side to the side opposite thereto.Type: GrantFiled: April 1, 2010Date of Patent: July 3, 2012Assignee: Hamamatsu Photonics K.K.Inventors: Shinichi Yamashita, Hiroyuki Watanabe, Hiroshi Komiyama
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Publication number: 20120015111Abstract: Provided is a process for producing a dyed plastic lens in accordance with which in accordance with which deformation and change in the color of the plastic lens can be suppressed and a plastic lens having a refractive index of 1.7 or greater and, in particular, a refractive index of 1.7 to 1.8, can be preferably dyed uniformly to a great density without unevenness.Type: ApplicationFiled: February 3, 2010Publication date: January 19, 2012Applicant: HOYA CORPORATIONInventors: Misa Mishina, Takaaki Kubotera, Shinya Miyajima, Yoko Sakai, Shinichi Yamashita
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Publication number: 20110126364Abstract: A process which enables a plastic lenses having a refractive index of 1.7 or greater and, in particular, plastic lenses having a refractive index of 1.7 to 1.8 to be dyed uniformly to a great density without unevenness, which is, specifically, a process for producing a dyed plastic lens which comprises conducting following steps (1), (2) and (3) in this order: Step (1): a step comprising coating a substrate at 60° C.Type: ApplicationFiled: July 30, 2010Publication date: June 2, 2011Applicant: HOYA CORPORATIONInventors: Misa MISHINA, Takaaki KUBOTERA, Shinya MIYAJIMA, Yoko SAKAI, Shinichi YAMASHITA
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Publication number: 20100253218Abstract: In the photocathode, an underlayer made of a crystalline material containing La2O3 is provided between a supporting substrate and a photoelectron emission layer, and is in contact with the photoelectron emission layer. Therefore, for example, at the time of heat treatment in a manufacturing process of the photocathode, dispersion to the supporting substrate side of an alkali metal contained in the photoelectron emission layer is suppressed. Further, it is assumed that this underlayer functions so as to reverse the direction of, out of photoelectrons e— generated within the photoelectron emission layer, photoelectrons traveling toward the supporting substrate side to the side opposite thereto.Type: ApplicationFiled: April 1, 2010Publication date: October 7, 2010Applicant: HAMAMATSU PHOTONICS K.KInventors: Shinichi YAMASHITA, Hiroyuki Watanabe, Hiroshi Komiyama
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Publication number: 20100096985Abstract: The present invention relates to a photocathode having a structure to dramatically improve the effective quantum efficiency in comparison with that of a conventional art, an photomultiplier and an electron tube. The photocathode comprises a supporting substrate transmitting or blocking an incident light, a photoelectron emitting layer containing an alkali metal provided on the supporting substrate, and an underlayer provided between the supporting substrate and the photoelectron emitting layer. Particularly, the underlayer contains a beryllium oxide, and is adjusted in its thickness such that a thickness ratio of the underlayer to the photoelectron emitting layer falls within a specific range. This structure allows to obtain a photocathode having a dramatically improved quantum efficiency.Type: ApplicationFiled: December 19, 2007Publication date: April 22, 2010Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Fumio WATASE, Shinichi Yamashita, Hiroyuki Watanabe
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Patent number: 7564750Abstract: A reproducing apparatus includes a reading unit configured to generate a reproduced signal containing information data recorded in a track using a reflected light of an optical beam, a clock generation unit configured to generate a clock having a frequency associated with a wobbling cycle of the track, and a control unit configured to detect a phase difference between the reproduced signal and the clock, and to control the clock generation unit using the phase difference detection result.Type: GrantFiled: October 27, 2005Date of Patent: July 21, 2009Assignee: Canon Kabushiki KaishaInventors: Yasuyuki Tanaka, Shinichi Yamashita
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PHOTOELECTRIC SURFACE, ELECTRON TUBE COMPRISING SAME, AND METHOD FOR PRODUCING PHOTOELECTRIC SURFACE
Publication number: 20090127642Abstract: A photoelectric element 10 includes a substrate 12 that transmits incident light, an intermediate layer 14 made of HfO2, an under layer 16, and a photoelectron emitting layer 18 containing an alkali metal. That is, the photoelectric element 10 includes the intermediate layer 14 formed between the substrate 12 and the photoelectron emitting layer 18. Thereby, a photoelectric element that can exhibit a high value of effective quantum efficiency, an electron tube including the same, and a method for producing a photoelectric element are realized.Type: ApplicationFiled: March 5, 2007Publication date: May 21, 2009Applicant: HAMAMATSU PHOTONICS K.K.Inventors: Shinichi Yamashita, Hiroyuki Watanabe, Hideaki Suzuki, Kengo Suzuki -
Publication number: 20080278633Abstract: A corresponding point information generator computes matching between a source image frame and a destination image frame in image data comprising consecutive image frames so as to determine corresponding point information indicating pixel-by-pixel matching. A motion vector detector determines a motion vector for each pixel in the source image frame according to a result of matching. A reliability area isolating unit segments an image frame in which a motion vector is determined into blocks, so as to isolate, in each block, a reliable area characterized by relatively high precision of the motion vector as calculated and a non-reliable area characterized by relatively low precision of the motion vector.Type: ApplicationFiled: May 9, 2007Publication date: November 13, 2008Inventors: Mikhail Tsoupko-Sitnikov, Igor Borovikov, Shinichi Yamashita, Masuharu Endo
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Publication number: 20080279478Abstract: An image frame is segmented into a plurality of groups of blocks characterized by movements approximating each other. An image reader receives a source image frame and a destination image frame in image data including consecutive image frames and segments the frames into blocks. A corresponding point information generator computes matching to detect corresponding point information indicating correspondence between the source image frame and the destination image frame and generates a corresponding point information file which describes coordinates of corresponding points in the image frames. An affine parameter calculating unit calculates affine parameters indicating deformation and movement of a block occurring between the source image frame and the destination image frame, on the basis of the corresponding point information.Type: ApplicationFiled: May 9, 2007Publication date: November 13, 2008Inventors: Mikhail Tsoupko-Sitnikov, Igor Borovikov, Shinichi Yamashita, Masuharu Endo
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Patent number: 7317291Abstract: A frequency control circuit including a control circuit for setting a set value, an adding circuit for adding the set value per unit time and effecting counting based on the adding result, and a signal output circuit for outputting an alternating signal of a cycle corresponding to the time necessary for the count result by the adding circuit to reach a target value. The control circuit sets the set value as a value which does not correspond to a submultiple of the target value, and the adding circuit starts the counting of a next cycle when the count result reaches the target value. The control circuit further sets an initial value of the counting of the next cycle in accordance with a value of a portion of the adding results, exceeding the target value when the count result reaches the target value.Type: GrantFiled: October 24, 2006Date of Patent: January 8, 2008Assignee: Canon Kabushiki KaishaInventors: Akio Atsuta, Shinichi Yamashita