Patents by Inventor Shinichi Naito
Shinichi Naito 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: 20240101895Abstract: A method for producing a phosphor having a core-shell structure that includes: a core part formed of a crystal phase of an inorganic compound containing a metal element M constituting a luminescent center ion and aluminum; and a shell part containing at least one element selected from the group consisting of boron and silicon and formed on at least a portion of a surface of the core part, the method including: mixing a raw material of the crystal phase and a raw material of the shell part; and heating the obtained mixture at a temperature at which the raw material of the shell part is liquefied, but a host crystal of a phosphor to be obtained is maintained, in which the raw material of the crystal phase contains a raw material compound having D50 in a particle diameter distribution of 0.2 to 90 ?m and containing aluminum.Type: ApplicationFiled: January 26, 2022Publication date: March 28, 2024Applicant: Sumitomo Chemical Company, LimitedInventors: Masaki KANNAMI, Takashi ARIMURA, Shota NAITO, Kentaro IWASAKI, Shinichi SASAKI
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Patent number: 11942612Abstract: In a battery system, a battery module includes a plurality of cells. A management unit manages charging-discharging of the battery module and a temperature inside the battery module. The management unit estimates a maximum temperature of an inside of a cell in the battery module based on a measured temperature in the battery module, and controls, during charging-discharging of the battery module, a charging-discharging current of the battery module and/or cooling of the battery module in such a way that the estimated maximum temperature does not exceed an upper limit temperature.Type: GrantFiled: May 8, 2019Date of Patent: March 26, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hiroshi Fujikawa, Shinichi Yuasa, Yoshito Kaga, Keisuke Naito
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Patent number: 11933752Abstract: A gas sensor includes: a gas-sensitive body layer disposed above a substrate and including a metal oxide layer; a first electrode on the gas-sensitive body layer; and a second electrode on the gas-sensitive body layer, being apart from the first electrode by a gap. The gas-sensitive body layer has a resistance change characteristic that reversibly transitions to a high-resistance state and a low-resistance state on basis of a voltage applied across the first electrode and the second electrode. At least a part of the gas-sensitive body layer is exposed to the gap. The gas-sensitive body layer has a resistance that decreases when gas containing a hydrogen atom is in contact with the second electrode.Type: GrantFiled: July 23, 2019Date of Patent: March 19, 2024Assignee: NUVOTON TECHNOLOGY CORPORATION JAPANInventors: Satoru Fujii, Zhiqiang Wei, Kazunari Homma, Shinichi Yoneda, Yasuhisa Naito, Hisashi Shima, Hiroyuki Akinaga
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Patent number: 11866596Abstract: An aqueous ink jet composition of the present disclosure includes: at least one dye selected from the group consisting of C.I. Solvent Yellow 160:1, C.I. Disperse Yellow 82, and C.I. Disperse Yellow 184; a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, a derivative of an ethylene oxide adduct of tristyrylphenol, a polyalkylene glycol, and a derivative of a polyalkylene glycol; and an anionic dispersant.Type: GrantFiled: January 29, 2020Date of Patent: January 9, 2024Inventors: Kenji Kitada, Hiroko Hayashi, Yasunari Ikeda, Hisashi Okamura, Kenta Kikuchi, Hirofumi Hokari, Shinichi Naito, Kazumasa Otsuki, Michio Nakamori, Shinichi Yamamoto, Seiji Kagami, Shigeki Kawada
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Publication number: 20230312960Abstract: An aqueous ink jet ink contains a pigment aqueous dispersion, water, and a water-soluble organic solvent. The pigment aqueous dispersion contains a pigment dispersed in a polyurethane resin obtained by reaction of an active hydrogen atom-containing component and an organic polyisocyanate component. The active hydrogen atom-containing component contains a quaternary ammonium compound. The organic polyisocyanate component contains one or more selected from the group consisting of a linear or branched aliphatic polyisocyanate, an alicyclic polyisocyanate, and an aromatic polyisocyanate. The weight rate of the quaternary ammonium compound is 12 wt % or more based on the total weight of the active hydrogen atom-containing component and the organic polyisocyanate component.Type: ApplicationFiled: March 30, 2023Publication date: October 5, 2023Inventors: Kenji KITADA, Takeshi YANO, Shinichi NAITO, Hiroshi ODAJIMA
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Publication number: 20230312956Abstract: Provided is an aqueous pigment dispersion having high initial dispersion stability and high storage stability and demonstrating high color developability in particularly fabrics not pre-treated. An aqueous pigment dispersion for an aqueous inkjet ink, including a pigment and an aqueous medium, the pigment being dispersed with a polyurethane resin prepared by reacting an active hydrogen atom-containing component (A) with an organic polyisocyanate component (B). The active hydrogen atom-containing component (A) contains a quaternary ammonium compound (a1), and the quaternary ammonium compound (a1) is contained in a weight proportion of 12% by weight or more relative to the total weight of the active hydrogen atom-containing component (A) and the organic polyisocyanate component (B).Type: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Applicants: SANYO CHEMICAL INDUSTRIES, LTD., SEIKO EPSON CORPORATIONInventors: Hiroshi ODAJIMA, Kenji KITADA, Takeshi YANO, Shinichi NAITO
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Publication number: 20230312961Abstract: Provided is an aqueous pigment dispersion having high initial dispersibility, high storage stability, and high color developability after printing, and particularly having high rub resistance (rubbing fastness) in cotton fabrics. An aqueous pigment dispersion for an aqueous inkjet ink, including a pigment and an aqueous medium, the pigment being dispersed with a polyurethane resin prepared by reacting an active hydrogen atom-containing component (A) with an organic polyisocyanate component (B), the active hydrogen atom-containing component (A) containing a polycarbonate polyol (a1), the organic polyisocyanate component (B) containing at least one compounds selected from the group consisting of aliphatic polyisocyanates (b1), alicyclic polyisocyanates (b2), and aromatic polyisocyanates (b3), wherein a coating film formed by drying the aqueous pigment dispersion at 50° C. for 12 hours has a storage modulus G? at 160° C. of 1 to 10 MPa.Type: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Applicants: SANYO CHEMICAL INDUSTRIES, LTD., SEIKO EPSON CORPORATIONInventors: Hiroshi ODAJIMA, Takeshi YANO, Kenji KITADA, Shinichi NAITO
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Publication number: 20230312962Abstract: An embodiment of the present disclosure relates to an aqueous ink jet ink containing a pigment aqueous dispersion, water, and a water-soluble organic solvent. The pigment aqueous dispersion contains a pigment dispersed in a polyurethane resin obtained by reaction of an active hydrogen atom-containing component and an organic polyisocyanate component and an aqueous medium. The active hydrogen atom-containing component contains a polycarbonate polyol, the organic polyisocyanate component contains one or more selected from the group consisting of a linear or branched aliphatic polyisocyanate, an alicyclic polyisocyanate, and an aromatic polyisocyanate. A film obtained by drying the pigment aqueous dispersion at 50° C. for 12 hours has an elastic modulus G? at 160° C. of 1 to 10 MPa.Type: ApplicationFiled: March 30, 2023Publication date: October 5, 2023Inventors: Takeshi YANO, Kenji KITADA, Shinichi NAITO, Hiroshi ODAJIMA
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Patent number: 11591489Abstract: An aqueous ink jet composition contains: C.I. Disperse Red 364; a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, a derivative of the ethylene oxide adduct of tristyrylphenol, a polyalkylene glycol, and a derivative of the polyalkylene glycol; and an anionic dispersant.Type: GrantFiled: December 26, 2019Date of Patent: February 28, 2023Inventors: Hisashi Okamura, Hiroko Hayashi, Kenji Kitada, Yasunari Ikeda, Hirofumi Hokari, Shinichi Yamamoto, Michio Nakamori, Shigeki Kawada, Kenta Kikuchi, Kazumasa Otsuki, Seiji Kagami, Shinichi Naito
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Patent number: 11447649Abstract: An aqueous ink jet composition includes a first component which is at least one selected from the group consisting of C.I. Solvent Yellow 160: 1, C.I. Disperse Yellow 82, and C.I. Disperse Yellow 184; a second component which is a dispersant having at least one chemical structure of a sulfo group and a salt thereof; and a third component which has a coumarin skeleton and at least one chemical structure of a sulfo group and a salt thereof.Type: GrantFiled: May 14, 2019Date of Patent: September 20, 2022Inventors: Yasunari Ikeda, Hiroko Hayashi, Kenji Kitada, Hirofumi Hokari, Hisashi Okamura, Kenta Kikuchi, Shinichi Naito
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Patent number: 11384249Abstract: An aqueous ink jet composition contains at least one disperse dye selected from the group consisting of C.I. Disperse Yellow 54, C.I. Disperse Red 60, and C.I. Disperse Blue 359, and a styrene maleic acid-based dispersing agent represented by Formula (1).Type: GrantFiled: March 27, 2019Date of Patent: July 12, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Kenji Kitada, Hiroko Hayashi, Yasunari Ikeda, Hirofumi Hokari, Hisashi Okamura, Kenta Kikuchi, Seiji Kagami, Shinichi Naito
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Patent number: 11365787Abstract: A transmission includes an input shaft, an output shaft, a first planetary gear mechanism, a second planetary gear mechanism, and a first variable device. The first planetary gear mechanism includes a first carrier connected to the input shaft, a first planetary gear connected to the first carrier, a first sun gear connected to the first planetary gear, and a ring gear connected to the first planetary gear. The second planetary gear mechanism includes a second sun gear connected to the first carrier, a second planetary gear connected to the second sun gear, and a second ring gear connected to the second planetary gear and connected to the first ring gear. The first variable device is connected to the first ring gear and the second ring gear to continuously change a speed ratio of the output shaft to the input shaft.Type: GrantFiled: February 17, 2020Date of Patent: June 21, 2022Assignee: KOMATSU LTD.Inventors: Shinichi Naito, Takehiro Komatsu, Shu Takeda, Kyousuke Moriguchi
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Publication number: 20220098424Abstract: One aspect of the ink jet ink set according to the present disclosure is an ink jet ink set including an anionic ink containing an anionic resin, a pigment, and water, and a cationic ink containing a cationic resin, a pigment, and water, in which the anionic ink and the cationic ink are similar colors to each other, the pigment in the anionic ink is coated with the anionic resin, the pigment in the cationic ink is coated with the cationic resin, and the anionic resin or the cationic resin, or both have a urethane-based skeleton or a polyester-based skeleton.Type: ApplicationFiled: September 29, 2021Publication date: March 31, 2022Inventors: Kenji KITADA, Takeshi YANO, Shinichi NAITO, Kenta KIKUCHI, Hirofumi HOKARI
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Patent number: 11279229Abstract: A friction engagement device includes a rotating shaft, first friction plates that rotate with the rotating shaft, second friction plates arranged to face the first friction plates, an oil chamber supplied with hydraulic fluid, a piston movably provided between engagement and release positions, and first and second return springs. The piston is pressed toward the engagement position by hydraulic pressure of the oil chamber. The first return spring contacts the piston from the engagement position to a standby position between the release position and the engagement position and urges the piston toward the release position. The second return spring contacts the piston from the engagement position to the release position and urges the piston toward the release position. Center axes of the first and second return springs are arranged to coincide with a center axis of the rotating shaft.Type: GrantFiled: February 27, 2019Date of Patent: March 22, 2022Assignee: KOMATSU LTD.Inventors: Shinichi Naito, Daiki Tanaka, Kyousuke Moriguchi
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Publication number: 20220010864Abstract: A transmission includes an input shaft, an output shaft, a first planetary gear mechanism, a second planetary gear mechanism, and a first variable device. The first planetary gear mechanism includes a first carrier connected to the input shaft, a first planetary gear connected to the first carrier, a first sun gear connected to the first planetary gear, and a ring gear connected to the first planetary gear. The second planetary gear mechanism includes a second sun gear connected to the first carrier, a second planetary gear connected to the second sun gear, and a second ring gear connected to the second planetary gear and connected to the first ring gear. The first variable device is connected to the first ring gear and the second ring gear to continuously change a speed ratio of the output shaft to the input shaft.Type: ApplicationFiled: February 17, 2020Publication date: January 13, 2022Inventors: Shinichi NAITO, Takehiro KOMATSU, Shu TAKEDA, Kyousuke MORIGUCHI
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Publication number: 20210381198Abstract: Lubricating performance of a parking brake is ensured and fuel efficiency during traveling is improved. A parking brake for braking rotation of an output shaft is disposed around the output shaft rotated by driving force. The output shaft is provided with an axial oil passage, a first discharge hole, and a second discharge hole. The axial oil passage extends in an axial direction of the output shaft. The first discharge hole and the second discharge hole communicate with the axial oil passage and open in an outer circumferential surface of the output shaft at an installation position of the parking brake in the axial direction.Type: ApplicationFiled: December 25, 2019Publication date: December 9, 2021Applicant: KOMATSU LTD.Inventors: Shinichi NAITO, Kenji ODA, Yusuke MIURA
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Publication number: 20210003215Abstract: A transmission includes a rotating shaft, a sleeve configured to rotate around an axial center of the rotating shaft, a fork engaged with an external circumference of the sleeve, and a shift shaft disposed parallel to the rotating shaft and supporting the fork. The fork includes a support part supported by the shift shaft, a first arm part extending from the support part in a circumferential direction of the rotating shaft and disposed above the sleeve, and an oil receiving part disposed on the first arm part. The oil receiving part has an elongated hole that extends in a direction perpendicular to an axial direction of the rotating shaft as seen in a top view.Type: ApplicationFiled: February 20, 2019Publication date: January 7, 2021Inventors: Shinichi NAITO, Yusuke MIURA, Takahiro GO
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Publication number: 20200346543Abstract: A friction engagement device includes a rotating shaft, first friction plates that rotate with the rotating shaft, second friction plates arranged to face the first friction plates, an oil chamber supplied with hydraulic fluid, a piston movably provided between engagement and release positions, and first and second return springs. Ihe piston is pressed toward the engagement position by hydraulic pressure of the oil chamber. The first return spring contacts the piston from the engagement position to a standby position between the release position and the engagement position and urges the piston toward the release position. The second return spring contacts the piston from he engagement position to the release position and urges the piston toward the release position. Center axes of the first and second return springs are arranged to coincide with a center axis of the rotating shaft.Type: ApplicationFiled: February 27, 2019Publication date: November 5, 2020Inventors: Shinichi NAITO, Daiki TANAKA, Kyousuke MORIGUCHI
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Publication number: 20200239718Abstract: An aqueous ink jet composition of the present disclosure includes: at least one dye selected from the group consisting of C.I. Solvent Yellow 160:1, C.I. Disperse Yellow 82, and C.I. Disperse Yellow 184; a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, a derivative of an ethylene oxide adduct of tristyrylphenol, a polyalkylene glycol, and a derivative of a polyalkylene glycol; and an anionic dispersant.Type: ApplicationFiled: January 29, 2020Publication date: July 30, 2020Inventors: Kenji KITADA, Hiroko HAYASHI, Yasunari IKEDA, Hisashi OKAMURA, Kenta KIKUCHI, Hirofumi HOKARI, Shinichi NAITO, Kazumasa OTSUKI, Michio NAKAMORI, Shinichi YAMAMOTO, Seiji KAGAMI, Shigeki KAWADA
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Publication number: 20200207999Abstract: An aqueous ink jet composition contains: C.I. Disperse Red 364; a material A which is at least one compound selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), an ethylene oxide adduct of tristyrylphenol, a derivative of the ethylene oxide adduct of tristyrylphenol, a polyalkylene glycol, and a derivative of the polyalkylene glycol; and an anionic dispersant.Type: ApplicationFiled: December 26, 2019Publication date: July 2, 2020Inventors: Hisashi OKAMURA, Hiroko HAYASHI, Kenji KITADA, Yasunari IKEDA, Hirofumi HOKARI, Shinichi YAMAMOTO, Michio NAKAMORI, Shigeki KAWADA, Kenta KIKUCHI, Kazumasa OTSUKI, Seiji KAGAMI, Shinichi NAITO