Patents by Inventor Hajime Saito
Hajime Saito 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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Patent number: 11985837Abstract: To provide a photoelectric conversion element capable of further improving performance in a photoelectric conversion element using an organic semiconductor material. The photoelectric conversion element includes a first electrode and a second electrode arranged to face each other, and a photoelectric conversion layer 17 provided between the first electrode and the second electrode, in which the photoelectric conversion layer 17 includes a first organic semiconductor material and a second organic semiconductor material, and at least one of the first organic semiconductor material or the second organic semiconductor material is an organic molecule having a HOMO volume fraction of 0.15 or less or a LUMO volume fraction of 0.15 or less.Type: GrantFiled: July 25, 2019Date of Patent: May 14, 2024Assignees: Sony Corporation, Sony Semiconductor Solutions CorporationInventors: Shinnosuke Hattori, Hajime Kobayashi, Sae Miyaji, Masato Kanno, Miki Kimijima, Yuta Hasegawa, Toshio Nishi, Takashi Kawashima, Yosuke Saito, Yuta Inaba
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Patent number: 9534655Abstract: A vibration damping device includes: a cylindrical first attachment member and a second attachment member; and an annular first elastic body and an annular second elastic body, wherein, a liquid chamber is formed between the elastic bodies, elastic division walls that divide the liquid chamber into a plurality of pressure receiving liquid chambers are arranged, wherein the elastic division wall is joined to the first elastic body, and is also in abutment with the second elastic body, wherein the second attachment member is divided in the axial direction into: a first divided body to which an inner peripheral edge portion of the first elastic body is joined; and a second divided body to which an inner peripheral edge portion of the second elastic body is joined, and wherein the inner peripheral edge portions of the elastic bodies are located side by side in the axial O direction.Type: GrantFiled: May 21, 2013Date of Patent: January 3, 2017Assignee: BRIDGESTONE CORPORATIONInventors: Hajime Saito, Junko Tanaka
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Publication number: 20150123327Abstract: A vibration damping device includes: a cylindrical first attachment member and a second attachment member; and an annular first elastic body and an annular second elastic body, wherein, a liquid chamber is formed between the elastic bodies, elastic division walls that divide the liquid chamber into a plurality of pressure receiving liquid chambers are arranged, wherein the elastic division wall is joined to the first elastic body, and is also in abutment with the second elastic body, wherein the second attachment member is divided in the axial direction into: a first divided body to which an inner peripheral edge portion of the first elastic body is joined; and a second divided body to which an inner peripheral edge portion of the second elastic body is joined, and wherein the inner peripheral edge portions of the elastic bodies are located side by side in the axial O direction.Type: ApplicationFiled: May 21, 2013Publication date: May 7, 2015Applicant: BRIDGESTONE CORPORATIONInventors: Hajime Saito, Junko Tanaka
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Patent number: 8801280Abstract: A temperature measuring method using a temperature probe in which a temperature-sensitive magnetic substance having an arbitrary Curie point is arranged in a portion to be measured. A magnetic field is generated from a magnetic field generation source disposed at a position away from the portion to be measured. A change of the magnetic flux vector of the magnetic field depending on the temperature of the temperature-sensitive magnetic substance is detected by a magnetic sensor to measure the temperature of the portion to be measured, thereby the temperature of the portion to be measured can be wirelessly measured from the position away from the portion to be measured and the reduction in size can be easy.Type: GrantFiled: January 9, 2009Date of Patent: August 12, 2014Assignee: Akita UniversityInventors: Noboru Yoshimura, Kazutaka Mitobe, Jun-ichi Ogawa, Hajime Saito
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Patent number: 8497227Abstract: Diphenylsulfone bridged compounds of the general formula: (1) wherein n is an integer of 1 to 10. Further, there is disclosed a thermal recording material comprising a support and, superimposed thereon, a thermosensitive color forming layer containing a color forming substance for thermal recording consisting of any of the diphenylsulfone bridged compounds and a color forming substance consisting of a colorless or light-colored leuco dye. This thermal recording material excels in the storability, especially wet heat resistance and oil resistance, of image areas and further exhibits excellent characteristics in the storability, especially heat resistance, of undeveloped areas.Type: GrantFiled: July 28, 2008Date of Patent: July 30, 2013Assignee: Nicca Chemical Co., Ltd.Inventors: Hajime Saito, Takeo Hasegawa
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Patent number: 8485593Abstract: A drain plug includes a head part arranged on a peripheral edge of a drain hole from a front side, and an engaging leg engaged with the peripheral edge of the drain hole from a back side. The engaging leg includes a frame wall extending in a direction in which a space between a pair of panels forming a body panel is widened; an opening part facing the a connecting part of the pair of panels of the body panel; engaging parts formed on both side walls of the frame wall, to be engaged with the peripheral edge of the drain hole from the back side; and a guide surface formed on a front wall of the frame wall, to guide the engaging parts to pass through the drain hole.Type: GrantFiled: October 6, 2010Date of Patent: July 16, 2013Assignee: Piolax Inc.Inventors: Atsushi Ogawa, Tomoki Yamaguchi, Hajime Saito, Toshiya Ohba
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Patent number: 8283286Abstract: A thermosensitive recording material which comprises a color forming layer comprising a color forming substance, which comprises a colorless or light color leuco dye, and a color developer and disposed on a support, wherein a mixture of (A) at least one compound selected from 4-hydroxy-4?-allyloxydiphenylsulfone, 4-hydroxy-4?-ethyloxydiphenylsulfone and 4-hydroxy-4?-n-propoxydiphenylsulfone and (B) a diphenylsulfone bridged compound represented by general formula (1): n representing an integer of 1 to 10, in amounts such that the ratio of the amounts by mass of (A) to (B) is 85:15 to 25:75 is used as the color developer. In the thermosensitive recording material, color is formed with a great density, image portions exhibit excellent properties for storage, in particular, excellent resistance to plasticizers, and portions of no color formation exhibit excellent properties for storage, in particular, excellent heat resistance.Type: GrantFiled: August 22, 2008Date of Patent: October 9, 2012Assignee: Nicca Chemical Co., Ltd.Inventor: Hajime Saito
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Patent number: 8182345Abstract: Each of game machines sends result information indicating an individual ID and play result to a server. The server has a common ID control file and an individual game control file, which store common points, a common ID and an individual ID, associated with each other. A CPU converts the result information into common points, and allows the converted common points to be reflected in the common points in the common ID control file corresponding to the individual ID.Type: GrantFiled: May 1, 2008Date of Patent: May 22, 2012Assignee: Konami Digital Entertainment Co., Ltd.Inventors: Hajime Saito, Osamu Migitera, Hotaru Komatsu, Chihiro Inoue, Kazuyasu Kawamura, Takao Tada
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Patent number: 8123979Abstract: Provided are a group 13 nitride phosphor having high luminous intensity and excellent reliability obtained by preparing group 13 nitride crystallites homogeneously dispersible in a solid matrix by capping surface defects and homogeneously dispersing the group 13 nitride crystallites in the solid matrix and an efficient method of preparing the same. The present invention relates to a group 13 nitride phosphor consisting of group 13 nitride crystallites having a group 13 element dispersed in a matrix of a silica gel solid layer, with a diamine compound bonded to the surfaces of the group 13 nitride crystallites and the silica gel solid layer, and a method of preparing the same.Type: GrantFiled: May 14, 2008Date of Patent: February 28, 2012Assignee: Sharp Kabushiki KaishaInventors: Tatsuya Ryowa, Hajime Saito
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Patent number: 8033915Abstract: Each of game machines sends result information indicating an individual ID and play result to a server. The server has a common ID control file and an individual game control file, which store common points, a common ID and an individual ID, associated with each other. A CPU converts the result information into common points, and allows the converted common points to be reflected in the common points in the common ID control file corresponding to the individual ID.Type: GrantFiled: September 11, 2003Date of Patent: October 11, 2011Assignee: Konami Digital Entertainment Co., Ltd.Inventors: Hajime Saito, Osamu Migitera, Hotaru Komatsu, Chihiro Inoue, Kazuyasu Kawamura, Takao Tada
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Publication number: 20110136664Abstract: Diphenylsulfone bridged compounds of the general formula: (1) wherein n is an integer of 1 to 10. Further, there is disclosed a thermal recording material comprising a support and, superimposed thereon, a thermosensitive color forming layer containing a color forming substance for thermal recording consisting of any of the diphenylsulfone bridged compounds and a color forming substance consisting of a colorless or light-colored leuco dye. This thermal recording material excels in the storability, especially wet heat resistance and oil resistance, of image areas and further exhibits excellent characteristics in the storability, especially heat resistance, of undeveloped areas.Type: ApplicationFiled: July 28, 2008Publication date: June 9, 2011Applicant: NICCA CHEMICAL CO., LTD.Inventors: Hajime Saito, Takeo Hasegawa
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Publication number: 20110084519Abstract: According to an aspect of the present invention, there is provided a drain plug including: a head part arranged on a peripheral edge of a drain hole from a front side; and an engaging leg engaged with the peripheral edge of the drain hole from a back side, wherein the engaging leg includes: a frame wall extending in a direction in which a space between a pair of panels forming a body panel is widened; an opening part facing the a connecting part of the pair of panels of the body panel; engaging parts formed on both side walls of the frame wall, to be engaged with the peripheral edge of the drain hole from the back side; and a guide surface formed on a front wall of the frame wall, to guide the engaging parts to pass through the drain hole.Type: ApplicationFiled: October 6, 2010Publication date: April 14, 2011Applicants: PIOLAX INC., HONDA MOTOR CO., LTD.Inventors: Atsushi Ogawa, Tomoki Yamaguchi, Hajime Saito, Toshiya Ohba
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Patent number: 7892452Abstract: Provided is a nanocrystalline phosphor having a core/shell structure formed by a core of a group 13 nitride semiconductor and a shell layer, covering the core, including a shell film of a group 13 nitride mixed crystal semiconductor. This nanocrystalline phosphor has high luminous efficiency, and is excellent in reliability. Also provided is a coated nanocrystalline phosphor prepared by bonding modified organic molecules to the nanocrystalline phosphor and/or coating the nanocrystalline phosphor with the modified organic molecules. This coated nanocrystalline phosphor has high dispersibility. Further provided is a method of preparing a coated nanocrystalline phosphor by heating a mixed solution containing a core of a group 13 nitride semiconductor, a nitrogen-containing compound, a group 13 element-containing compound and modified organic molecules.Type: GrantFiled: October 12, 2007Date of Patent: February 22, 2011Assignee: Sharp Kabushiki KaishaInventors: Tatsuya Ryowa, Hajime Saito
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Publication number: 20100276501Abstract: A temperature measuring method using a temperature probe in which a temperature-sensitive magnetic substance having an arbitrary Curie point is arranged in a portion to be measured. A magnetic field is generated from a magnetic field generation source disposed at a position away from the portion to be measured. A change of the magnetic flux vector of the magnetic field depending on the temperature of the temperature-sensitive magnetic substance is detected by a magnetic sensor to measure the temperature of the portion to be measured, thereby the temperature of the portion to be measured can be wirelessly measured from the position away from the portion to be measured and the reduction in size can be easy.Type: ApplicationFiled: January 9, 2009Publication date: November 4, 2010Applicant: AKITA UNIVERSITYInventors: Noboru Yoshimura, Kazutaka Mitobe, Jun-ichi Ogawa, Hajime Saito
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Publication number: 20100152043Abstract: A thermosensitive recording material which comprises a color forming layer comprising a color forming substance, which comprises a colorless or light color leuco dye, and a color developer and disposed on a support, wherein a mixture of (A) at least one compound selected from 4-hydroxy-4?-allyloxydiphenylsulfone, 4-hydroxy-4?-ethyloxydiphenyl-sulfone and 4-hydroxy-4?-n-propoxydiphenylsulfone and (B) a diphenylsulfone bridged compound represented by general formula (1): n representing an integer of 1 to 10, in amounts such that the ratio of the amounts by mass of (A) to (B) is 85:15 to 25:75 is used as the color developer. In the thermosensitive recording material, color is formed with a great density, image portions exhibit excellent properties for storage, in particular, excellent resistance to plasticizers, and portions of no color formation exhibit excellent properties for storage, in particular, excellent heat resistance.Type: ApplicationFiled: August 22, 2008Publication date: June 17, 2010Inventor: Hajime Saito
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Patent number: 7709103Abstract: The present invention provides a nano particle phosphor with superior luminous characteristic formed using nitride semiconductor material, a method of manufacturing the phosphor with high production yield, and a light emitting device using the phosphor. The phosphor is formed of a columnar crystal having a diameter of at most 3 nm, a light emitting region and a light absorbing region are defined in the columnar crystal, and the light emitting region and the light absorbing region are adjacent to each other along a longitudinal direction of the columnar crystal.Type: GrantFiled: October 6, 2005Date of Patent: May 4, 2010Assignee: Sharp Kabushiki KaishaInventor: Hajime Saito
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Publication number: 20090224177Abstract: A color conversion member of a high efficiency achieved by restraining fluorescence emitted from a certain phosphor from being absorbed again by another different phosphor, as well as a light emitting apparatus including the color conversion member are provided. The color conversion member includes N light transmissive members each containing a different one of N different phosphors illuminated with excitation light to emit fluorescence in a visible wavelength region, and the N light transmissive members are stacked in order (N is a natural number of not less than two). The color conversion member is designed in such a manner that the refractive index increases in the thickness direction while the fluorescence wavelength decreases in the thickness direction.Type: ApplicationFiled: February 27, 2009Publication date: September 10, 2009Applicant: SHARP KABUSHIKI KAISHAInventors: Junichi KINOMOTO, Hajime SAITO
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Patent number: 7560859Abstract: A fluorescent material excellent in emission efficiency in white emission and a light-emitting apparatus employing this fluorescent material and having excellent color rendering are provided with a fluorescent material comprising a two-layer structure of a core of a particle size having a quantum effect and a shell covering this core in which the ground state energy of the core is in the range of 1.85 to 2.05 eV, the high order energy of the core is not in the ranges of 2.3 to 2.5 eV and 2.65 to 2.8 eV, or the ground state energy of the core is in the range of 2.3 to 2.5 eV, the high order energy of the core is not in the range of 2.65 to 2.8 eV an light-emitting apparatus employing these fluorescent materials.Type: GrantFiled: September 13, 2005Date of Patent: July 14, 2009Assignees: Sharp Kabushiki KaishaInventors: Hajime Saito, Tatsuya Morioka, Shizuo Fujita, Yoichi Kawakami, Mitsuru Funato, Masafumi Harada, Kyoko Fujita, legal representative, Shigeo Fujita
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Publication number: 20080283801Abstract: Provided are a group 13 nitride phosphor having high luminous intensity and excellent reliability obtained by preparing group 13 nitride crystallites homogeneously dispersible in a solid matrix by capping surface defects and homogeneously dispersing the group 13 nitride crystallites in the solid matrix and an efficient method of preparing the same. The present invention relates to a group 13 nitride phosphor consisting of group 13 nitride crystallites having a group 13 element dispersed in a matrix of a silica gel solid layer, with a diamine compound bonded to the surfaces of the group 13 nitride crystallites and the silica gel solid layer, and a method of preparing the same.Type: ApplicationFiled: May 14, 2008Publication date: November 20, 2008Inventors: Tatsuya RYOWA, Hajime SAITO
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Publication number: 20080214311Abstract: Each of game machines sends result information indicating an individual ID and play result to a server. The server has a common ID control file and an individual game control file, which store common points, a common ID and an individual ID, associated with each other. A CPU converts the result information into common points, and allows the converted common points to be reflected in the common points in the common ID control file corresponding to the individual ID.Type: ApplicationFiled: May 1, 2008Publication date: September 4, 2008Applicant: KONAMI DIGITAL ENTERTAINMENT CO., LTD.Inventors: Hajime Saito, Osamu Migitera, Hotaru Komatsu, Chihiro Inoue, Kazuyasu Kawamura, Takao Tada