Patents by Inventor Atsushi Ohnishi
Atsushi Ohnishi 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).
-
Publication number: 20250115166Abstract: An agricultural tractor includes a vehicle frame, and a front housing supported by the vehicle frame. The front housing includes, a fixed housing portion fixed to the vehicle frame, a movable housing portion supported by the vehicle frame or the fixed housing portion and being openable and closeable.Type: ApplicationFiled: December 12, 2024Publication date: April 10, 2025Inventors: Go TAKAKI, Takahiro TAKAKI, Kenichi IWAMI, Tomoyoshi SAKANO, Yuki MINAMIDE, Kodai AMITANI, Yosuke HAYASHI, Teppei OHNISHI, Atsushi MORITA, Isamu KAZAMA, Kenshiro MATSUI, Kenji ISHIHARA
-
Publication number: 20250108709Abstract: A work vehicle includes a fuel cell power generation system, an inverter connected to the fuel cell power generation system, a motor connected to the inverter, and a vehicle frame supporting the fuel cell power generation system, the inverter, and the motor, the vehicle frame rotatably supporting left and right front wheels and left and right rear wheels. The vehicle frame includes a transmission case housing a transmission to transmit driving force from the motor to the rear wheels. The inverter is at a side of the transmission case.Type: ApplicationFiled: December 12, 2024Publication date: April 3, 2025Inventors: Go TAKAKI, Takahiro TAKAKI, Kenichi IWAMI, Tomoyoshi SAKANO, Yuki MINAMIDE, Kodai AMITANI, Yosuke HAYASHI, Teppei OHNISHI, Atsushi MORITA, Isamu KAZAMA, Kenshiro MATSUI, Kenji ISHIHARA
-
Publication number: 20250108705Abstract: An agricultural work vehicle includes a fuel cell power generation system, a first voltage conversion circuit to convert a voltage output from the fuel cell power generation system to output a first voltage, and a second voltage conversion circuit to convert the voltage output from the fuel cell power generation system to output a second voltage higher than the first voltage.Type: ApplicationFiled: December 12, 2024Publication date: April 3, 2025Inventors: Go TAKAKI, Takahiro TAKAKI, Kenichi IWAMI, Tomoyoshi SAKANO, Yuki MINAMIDE, Kodai AMITANI, Yosuke HAYASHI, Teppei OHNISHI, Atsushi MORITA, Isamu KAZAMA, Kenshiro MATSUI, Kenji ISHIHARA
-
Publication number: 20250108706Abstract: A work vehicle includes a driver seat, a fuel cell, at least one fuel tank to store fuel to be supplied to the fuel cell, a motor connected to the fuel cell, a vehicle frame supporting the driver seat, the fuel cell, and the motor, a mounting frame fixed to the vehicle frame to support the at least one fuel tank, the mounting frame extending across the driver seat, and a front housing covering the fuel cell and being openable and closable. The mounting frame does not interfere with the front housing when a position or orientation of the front housing changes from the closed state to the open state.Type: ApplicationFiled: December 12, 2024Publication date: April 3, 2025Inventors: Go TAKAKI, Takahiro TAKAKI, Kenichi IWAMI, Tomoyoshi SAKANO, Yuki MINAMIDE, Kodai AMITANI, Yosuke HAYASHI, Teppei OHNISHI, Atsushi MORITA, Isamu KAZAMA, Kenshiro MATSUI, Kenji ISHIHARA
-
Publication number: 20250108704Abstract: A work vehicle includes a fuel cell, and a fuel tank module including fuel tanks to store fuel to be supplied to the fuel cell, a valve system connected to the fuel tanks, and a tank case housing the fuel tanks and the valve system. The fuel tanks include a first fuel tank with a first length in a first direction, and second fuel tank with a second length shorter than the first length in the first direction. The first fuel tank and the second fuel tank are arranged in a second direction perpendicular or substantially perpendicular to the first direction. At least a portion of the valve system is in a space between the second fuel tank and the tank case inside the tank case.Type: ApplicationFiled: December 12, 2024Publication date: April 3, 2025Inventors: Go TAKAKI, Takahiro TAKAKI, Kenichi IWAMI, Tomoyoshi SAKANO, Yuki MINAMIDE, Kodai AMITANI, Yosuke HAYASHI, Teppei OHNISHI, Atsushi MORITA, Isamu KAZAMA, Kenshiro MATSUI, Kenji ISHIHARA
-
Patent number: 12115467Abstract: Provided is a separation method for amine, the separation method including performing liquid chromatography, wherein a separating agent in which a ligand having a crown ether-like cyclic structure is supported on a carrier is used as a stationary phase, and wherein a mobile phase contains an aqueous solution of at least one salt of a hydrophobic anion selected from the group consisting of a salt of a chaotropic anion and a salt of a hydrophobic organic acid.Type: GrantFiled: June 12, 2020Date of Patent: October 15, 2024Assignee: Daicel CorporationInventors: Toru Shibata, Satoshi Shinkura, Atsushi Ohnishi
-
Publication number: 20220339555Abstract: Provided is a separation method for amine, the separation method including performing liquid chromatography, wherein a separating agent in which a ligand having a crown ether-like cyclic structure is supported on a carrier is used as a stationary phase, and wherein a mobile phase contains an aqueous solution of at least one salt of a hydrophobic anion selected from the group consisting of a salt of a chaotropic anion and a salt of a hydrophobic organic acid.Type: ApplicationFiled: June 12, 2020Publication date: October 27, 2022Applicant: DAICEL CORPORATIONInventors: Toru Shibata, Satoshi Shinkura, Atsushi Ohnishi
-
Patent number: 10914013Abstract: Provided are a photocatalyst electrode for oxygen generation exhibiting a satisfactory onset potential, and a module including this photocatalyst electrode. The photocatalyst electrode for oxygen generation includes a current collector layer; a photocatalyst on the current collector layer; and a promoter supported on at least a portion of the photocatalyst, in which the promoter contains a first metal oxide having an oxygen generation overvoltage of 0.4 V or lower, and a second metal oxide having an oxygen generation overvoltage of higher than 0.4 V.Type: GrantFiled: March 7, 2018Date of Patent: February 9, 2021Assignees: FUJIFILM Corporation, JAPAN TECHNOLOGICAL RESEARCH ASSOCIATION OF ARTIFICIAL PHOTOSYNTHETIC CHEMICAL PROCESS, THE UNIVERSITY OF TOKYOInventors: Kazunari Domen, Tsutomu Minegishi, Atsushi Ohnishi, Koichiro Ueda, Chisato Katayama, Hiroyuki Kobayashi
-
Publication number: 20180195187Abstract: Provided are a photocatalyst electrode for oxygen generation exhibiting a satisfactory onset potential, and a module including this photocatalyst electrode. The photocatalyst electrode for oxygen generation includes a current collector layer; a photocatalyst on the current collector layer; and a promoter supported on at least a portion of the photocatalyst, in which the promoter contains a first metal oxide having an oxygen generation overvoltage of 0.4 V or lower, and a second metal oxide having an oxygen generation overvoltage of higher than 0.4 V.Type: ApplicationFiled: March 7, 2018Publication date: July 12, 2018Applicants: FUJIFILM Corporation, Japan Technological Research Association of Artificial Photosynthetic Chemical Process, THE UNIVERSITY OF TOKYOInventors: Kazunari DOMEN, Tsutomu MINEGISHI, Atsushi OHNISHI, Koichiro UEDA, Chisato KATAYAMA, Hiroyuki KOBAYASHI
-
Publication number: 20130165632Abstract: Provided is a novel method for separating water-soluble biological substances. A separating agent is composed by bonding a polysaccharide such as cellulose or amylose to the surface of a carrier by chemical bonding, and water-soluble biological substances are separated from a mixture of two or more types of water-soluble biological substances by chromatography using the separating agent.Type: ApplicationFiled: September 9, 2011Publication date: June 27, 2013Inventors: Atsushi Ohnishi, Ryota Hamasaki
-
Publication number: 20130133516Abstract: The present invention provides a polymer brush-type filler which contains polymer chains at a high density and with a broad molecular weight distribution. Specifically, the present invention provides fine particles for chromatography comprising graft polymer chains obtained by grafting polymer chains via polymerization initiating groups on the surface of solid particles, wherein the graft polymer chains include specific repeating units, have a specific number average molecular weight and a specific molecular weight distribution and also have a high density of 0.03 chains/nm2 or more and 0.70 chains/nm2 or less.Type: ApplicationFiled: August 19, 2011Publication date: May 30, 2013Inventors: Yoshimichi Okano, Akira Takaragi, Tomoki Kitagawa, Atsushi Ohnishi, Shouji Miyamoto
-
Patent number: 8362237Abstract: A novel optical-isomer separating agent for chromatography is provided which has, as a chiral selector, a macrocyclic amide compound having the ability to function as a chiral shift agent. The optical-isomer separating agent for chromatography is formed by bonding, with a carrier by chemical bonding, a specific ring structure containing an asymmetry recognition site, an amide group as a hydrogen-bond donor site, and a hydrogen-bond acceptor site.Type: GrantFiled: January 30, 2009Date of Patent: January 29, 2013Assignees: National University Corporation Okayama University, Daicel Chemical Industries, Ltd.Inventors: Tadashi Ema, Takashi Sakai, Daisuke Tanida, Kyoko Sugita, Atsushi Ohnishi, Kenichiro Miyazawa
-
Patent number: 8153551Abstract: An optical isomer separating filler wherein a polysaccharide derivative is chemically bonded onto a support. This optical isomer separating filler is characterized in that the halogen content in the filler is 3.0 to 5.0%.Type: GrantFiled: February 22, 2008Date of Patent: April 10, 2012Assignee: Daicel Chemical Industries, Ltd.Inventors: Atsushi Ohnishi, Yutaka Isobe
-
Publication number: 20100292464Abstract: A novel optical-isomer separating agent for chromatography is provided which has, as a chiral selector, a macrocyclic amide compound having the ability to function as a chiral shift agent. The optical-isomer separating agent for chromatography is formed by bonding, with a carrier by chemical bonding, a specific ring structure containing an asymmetry recognition site, an amide group as a hydrogen-bond donor site, and a hydrogen-bond acceptor site.Type: ApplicationFiled: January 30, 2009Publication date: November 18, 2010Inventors: Tadashi Ema, Takashi Sakai, Daisuke Tanida, Kyoko Sugita, Atsushi Ohnishi, Kenichiro Miyazawa
-
Patent number: 7758753Abstract: Provided are a method of quickly and simply confirming the success or failure of resolution of optical isomers with the use of a column for resolving optical isomers and a method of simply designing the conditions of the eluent composition under isocratic elution conditions. In resolving optical isomers, the success or failure of the resolution can be simply and quickly confirmed by employing an HPLC gradient elution analysis method with the use of a column for resolving optical isomers. When the resolution is successfully conducted, the eluent composition under isocratic elution conditions can be estimated from the elution time in the gradient elution analysis.Type: GrantFiled: July 22, 2007Date of Patent: July 20, 2010Assignee: Daicel Chemical Industries, Ltd.Inventors: Atsushi Ohnishi, Akito Ichida
-
Publication number: 20100041878Abstract: Disclosed is an optical isomer separating filler having separating ability/separating characteristics different from those of conventional optical isomer separating fillers, which is capable of separating an optical isomer which cannot be separated by conventional fillers. Specifically disclosed is an optical isomer separating filler wherein a polysaccharide derivative is chemically bonded onto a support. This optical isomer separating filler is characterized in that the halogen content in the filler is 3.0 to 5.0%.Type: ApplicationFiled: February 22, 2008Publication date: February 18, 2010Inventors: Atsushi Ohnishi, Yutaka Isobe
-
Patent number: 7615150Abstract: A method of producing a novel separating agent for separating enantiomeric isomers, characterized by including: a step of supporting an optically active polymer compound and a compound having an asymmetric structure of a molecular weight of 1,000 or less on a carrier using a solvent; a step of removing the solvent; and a step of removing the compound having the asymmetric structure of the molecular weight of 1,000 or less by washing.Type: GrantFiled: June 1, 2006Date of Patent: November 10, 2009Assignee: Daicel Chemical Industries, Ltd.Inventor: Atsushi Ohnishi
-
Publication number: 20090166292Abstract: Provided are a method of quickly and simply confirming the success or failure of resolution of optical isomers with the use of a column for resolving optical isomers and a method of simply designing the conditions of the eluent composition under isocratic elution conditions. In resolving optical isomers, the success or failure of the resolution can be simply and quickly confirmed by employing an HPLC gradient elution analysis method with the use of a column for resolving optical isomers. When the resolution is successfully conducted, the eluent composition under isocratic elution conditions can be estimated from the elution time in the gradient elution analysis.Type: ApplicationFiled: July 22, 2007Publication date: July 2, 2009Inventors: Atsushi Ohnishi, Akito Ichida
-
Patent number: 7306734Abstract: The present invention provides a method having a high productivity for preparative separation by simulated moving bed chromatography. That is, in a filler for enantiomeric isomer separation by simulated moving bed chromatography, which has a porous carrier carrying a polysaccharide derivative thereon and has a TS coefficient in a range of 0.55 to 1.20, the TS coefficient being defined by the below-shown formula (I), and obtained by using an enantiomeric isomer separation column for simulated moving bed chromatography in which the filler is filled in a column tube by a slurry filling method: TS coefficient=[Vc?[t(TS)?t(blank)]×FR]/[t(TS)?t(blank)]×FR,??(I) wherein Vc (cm3): a column volume; FR (ml/min.): a flow velocity; t(TS) (min.): an elution time for tetrakis(trimethylsilyl)silane (=TS); and t(blank) (min.): an elution time for TS in the state where the column is not connected.Type: GrantFiled: September 17, 2004Date of Patent: December 11, 2007Assignee: Daicel Chemical Industries, Ltd.Inventors: Atsushi Ohnishi, Koichi Murazumi
-
Publication number: 20060219639Abstract: A method of producing a novel separating agent for separating enantiomeric isomers, characterized by including: a step of supporting an optically active polymer compound and a compound having an asymmetric structure of a molecular weight of 1,000 or less on a carrier using a solvent; a step of removing the solvent; and a step of removing the compound having the asymmetric structure of the molecular weight of 1,000 or less by washing.Type: ApplicationFiled: June 1, 2006Publication date: October 5, 2006Inventor: Atsushi Ohnishi