Patents by Inventor Yoshinori Takashima
Yoshinori Takashima 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: 20210040238Abstract: Provided are a macromolecular material that can form various structures, and that exhibits excellent toughness and strength; and a method for producing the macromolecular material. The macromolecular material includes in a polymer chain thereof a structural unit represented by the following formula (1): —R1—RH (1) (R1 represents NH or O, and RH represents a host group), wherein the host group is a monovalent group formed by removing one hydrogen atom or hydroxy group from a cyclodextrin derivative, and the cyclodextrin derivative has a structure formed such that a hydrogen atom of at least one hydroxy group contained in a cyclodextrin is replaced with at least one group selected from the group consisting of a hydrocarbon group, an acyl group, and —CONHR (R represents a methyl group or an ethyl group).Type: ApplicationFiled: February 28, 2019Publication date: February 11, 2021Applicant: Osaka UniversityInventors: Akira HARADA, Yoshinori TAKASHIMA, Yongtai ZHENG, Yuichiro KOBAYASHI
-
Patent number: 10883215Abstract: In accordance with one aspect of the present disclosure, a washing machine includes a rotating tub configured to accommodate laundry, a water supply pipe configured to spray water over a surface of the laundry. The washing machine also includes a controller configured to execute a water supply cycle in which an operation of each of the rotating tub and the water supply pipe is controlled and water is supplied to the rotating tub. The washing machine further includes a wash cycle in which the laundry is washed and the controller executes a first cycle in which the rotating tub is rotated faster than a rotational speed in the wash cycle so as to discharge air contained inside the laundry before the wash cycle is terminated.Type: GrantFiled: February 24, 2017Date of Patent: January 5, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Yoshinori Takashima, Takehiro Nakanishi, Tomoyuki Okuno, Toshihiro Kamii, Katsuyuki Shimakage
-
Patent number: 10753031Abstract: Provided is a washing machine motor capable of efficiently generating torque by improving a winding factor of coils with a relatively simple configuration. The washing machine motor (12) has an outer rotor (20), an inner rotor (30), and a stator (60). The outer rotor (20) and the inner rotor (30) share coils (63) of the stator (60), and a composite current is supplied to the coils (63) such that the outer rotor (20) and the inner rotor (30) are independently driven. The outer rotor (20) has forty eight outer magnets (24) arranged such that the N and S poles thereof are continuously and alternately aligned in the circumferential direction thereof. The inner rotor (30) has forty-two inner magnets (34) arranged such that the N and S poles thereof are continuously and alternately aligned in the circumferential direction thereof. The stator (60) has thirty-six I-shaped cores (61) and the coils (63).Type: GrantFiled: July 8, 2016Date of Patent: August 25, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Hiroyuki Miyake, Yukinori Nakagawa, Kenji Kitajima, Toshihiro Kamii, Hidekazu Funakoshi, Nobuharu Nishikoori, Yasumasa Nagasaki, Takehiro Nakanishi, Hiroshi Katsumoto, Minoru Yoshida, Yasuyuki Sonoda, Masaki Oshige, Tomoyuki Okuno, Katsuyuki Shimakage, Hiroshi Wanatabe, Yuji Akita, Yoshinori Takashima
-
Patent number: 10669457Abstract: The present invention provides an adhered structure in which members of the same or different materials are adhered to each other with a high adhesive strength and a method for producing the adhered structure. The adhered structure of the present invention comprises a first solid member, a second solid member, and an adhesive member. The first solid member and the second solid member are adhered to each other through the adhesive member. The adhesive member contains a polymer. The polymer is chemically bonded to the first solid member and the second solid member.Type: GrantFiled: January 5, 2018Date of Patent: June 2, 2020Assignees: Osaka University, Toyota Jidosha Kabushiki KaishaInventors: Akira Harada, Yoshinori Takashima, Tomoko Tokuhara, Yasushi Shojima, Ayako Sakawaki, Takeshi Sekito, Hiroaki Takahashi
-
Publication number: 20200080246Abstract: Provided is a washing machine motor capable of efficiently generating torque by improving a winding factor of coils with a relatively simple configuration. The washing machine motor (12) has an outer rotor (20), an inner rotor (30), and a stator (60). The outer rotor (20) and the inner rotor (30) share coils (63) of the stator (60), and a composite current is supplied to the coils (63) such that the outer rotor (20) and the inner rotor (30) are independently driven. The outer rotor (20) has forty eight outer magnets (24) arranged such that the N and S poles thereof are continuously and alternately aligned in the circumferential direction thereof. The inner rotor (30) has forty-two inner magnets (34) arranged such that the N and S poles thereof are continuously and alternately aligned in the circumferential direction thereof. The stator (60) has thirty-six I-shaped cores (61) and the coils (63).Type: ApplicationFiled: July 8, 2016Publication date: March 12, 2020Inventors: Hiroyuki MIYAKE, Yukinori NAKAGAWA, Kenji KITAJIMA, Toshihiro KAMII, Hidekazu FUNAKOSHI, Nobuharu NISHIKOORI, Yasumasa NAGASAKI, Takehiro NAKANISHI, Hiroshi KATSUMOTO, Minoru YOSHIDA, Yasuyuki SONODA, Masaki OSHIGE, Tomoyuki OKUNO, Katsuyuki SHIMAKAGE, Hiroshi WANATABE, Yuji AKITA, Yoshinori TAKASHIMA
-
Patent number: 10384407Abstract: The present invention provides a self-repairing material having self-repairing properties and shape memory properties, as well as high dynamic strength, and also provides a method for manufacturing the same. The self-repairing material of the present invention comprises a polymer comprising specific monomer units in specific ratios, and the concentration of the monomer units is within a specific range.Type: GrantFiled: April 8, 2016Date of Patent: August 20, 2019Assignee: Osaka UniversityInventors: Akira Harada, Yoshinori Takashima, Masaki Nakahata
-
Publication number: 20190225936Abstract: Provided are: a polymer gel for a medium, and a medium in which the stiffness of the polymer gel can be easily and reversibly changed and the shape of cells can be controlled according to the stiffness of the gel; and a method for culturing cells using the medium. The polymer gel for a medium contains a solvent and a crosslinked structure that is crosslinked by reversible bonds. The stiffness of the polymer gel for a medium can be easily and reversibly changed. Accordingly, when the polymer gel for a medium according to the present invention is used, cell morphology and function can be reversibly controlled according to the stiffness of the gel.Type: ApplicationFiled: July 25, 2017Publication date: July 25, 2019Inventors: Akira Harada, Yoshinori Takashima, Masaki Nakahata, Motomu Tanaka, Marcel Hoerning
-
Patent number: 10329386Abstract: Provided is a self-restoring macromolecular material that not only has excellent stress relaxation but that can also be easily restored to its original state, even when damaged or severed. Also provided is a method for producing the self-restoring macromolecular material. The self-restoring macromolecular material contains a crosslinked structure that is formed by crosslinking a polymer containing at least a polyrotaxane molecule. The polyrotaxane molecule is formed so as to include a cyclic molecule 21 and a linear molecule that passes through an opening 21a of the cyclic molecule. The crosslinked structure 1 is crosslinked via a reversible bond between the cyclic molecule of the polyrotaxane molecule and a polymer molecule other than the polyrotaxane molecule.Type: GrantFiled: June 19, 2015Date of Patent: June 25, 2019Assignee: Osaka UniversityInventors: Akira Harada, Yoshinori Takashima, Yuichiro Kobayashi, Masaki Nakahata, Shoko Mori
-
Publication number: 20190177455Abstract: An object of the present invention is to provide a macromolecular material that exhibits excellent elongation. The first macromolecular material of the present invention contains the first polymer containing the first structural unit and the second polymer containing the second structural unit. The first structural unit has a guest group in its side chain, and the second structural unit has a host group in its side chain. At least one of the first and the second polymers contains at least one fluorine group. The second macromolecular material of the present invention contains the first structural unit having a guest group in its side chain, the second structural unit having a host group in its side chain, and the third structural unit other than the first and second structural units. At least one of the first, the second, and the third structural units contains at least one fluorine group.Type: ApplicationFiled: August 23, 2017Publication date: June 13, 2019Applicants: DAIKIN INDUSTRIES, LTD., OSAKA UNIVERSITYInventors: Akira HARADA, Hiroyasu YAMAGUCHI, Yoshinori TAKASHIMA, Suguru NOMIMURA, Hikaru ARAMOTO, Ryohei IKURA, Masaki NAKAHATA, Kazuhisa IWASO, Kentarou HIRAGA, Akinari SUGIYAMA, Fumihiko YAMAGUCHI, Takashi NOMURA
-
Publication number: 20190119408Abstract: This invention provides a method for producing a polyrotaxane, the method being capable of producing a polyrotaxane in a high yield within a short period of time, using a small number of steps. The method for producing the polyrotaxane of the present invention is a method for producing a polyrotaxane having a structure in which a linear molecule passes through openings of cyclic molecules, the method comprising the step of heating a starting material containing the linear molecule and the cyclic molecule to the melting temperature of the linear molecule or higher, to obtain a clathrate compound of the linear molecule and the cyclic molecule.Type: ApplicationFiled: April 27, 2017Publication date: April 25, 2019Inventors: Akira Harada, Yoshinori Takashima, Shunji Kohri, Masaki Nakahata
-
Publication number: 20190092880Abstract: The present invention provides a gel formed by a host-guest interaction and having self-healing and shape-memory properties, and a process for producing the gel. A monomer containing a host group, a monomer containing a guest group, and an acrylic type monomer were dissolved in an aqueous solvent, and these monomers were subsequently copolymerized to produce a gel obtained from these monomers.Type: ApplicationFiled: October 12, 2018Publication date: March 28, 2019Inventors: Akira Harada, Yoshinori Takashima, Takahiro Kakuta
-
Publication number: 20190016763Abstract: A technique for efficiently culturing cells such as stem cells is provided. Cells such as stem cells are cultured using a cell culture vessel coated with a fibroin-like protein into which a cell adhesion sequence containing RGD (Arg-Gly-Asp) is inserted.Type: ApplicationFiled: September 27, 2018Publication date: January 17, 2019Applicant: AJINOMOTO CO., INC.Inventors: Manabu Kitazawa, Nao Sugimoto, Riho Kodama, Takeshi Nagahiko, Yoshihiro Ito, Kentaro Nakase, Yoshinori Takashima, Ayako Mine, Yoko Kuwabara, Uno Tagami, Masayuki Sugiki
-
Patent number: 10174172Abstract: The present invention provides a joined body with no risk of detachment from the joining surface without using an adhesive, and a method for producing the joined body. The present invention also provides a reversible joined body that enables control of joining and dissociation, and a method for producing the reversible joined body. In the joined body, a chemical bond is formed between two or more same or different solid-state materials at their contact interfaces by a chemical reaction.Type: GrantFiled: August 27, 2014Date of Patent: January 8, 2019Assignee: Osaka UniversityInventors: Akira Harada, Hiroyasu Yamaguchi, Akihito Hashidzume, Yoshinori Takashima, Tomoko Sekine, Yuichiro Kobayashi, Masaki Nakahata
-
Patent number: 10106628Abstract: The present invention provides a gel formed by a host-guest interaction and having self-healing and shape-memory properties, and a process for producing the gel. A monomer containing a host group, a monomer containing a guest group, and an acrylic type monomer were dissolved in an aqueous solvent, and these monomers were subsequently copolymerized to produce a gel obtained from these monomers.Type: GrantFiled: April 26, 2013Date of Patent: October 23, 2018Assignee: Osaka UniversityInventors: Akira Harada, Yoshinori Takashima, Takahiro Kakuta
-
Publication number: 20180265555Abstract: A method for producing a fibroin-like protein is provided. A fibroin-like protein is produced by a method of culturing Escherichia coli having a gene encoding the fibroin-like protein in a medium, inducing expression of the gene encoding the fibroin-like protein, and collecting the fibroin-like protein, wherein accumulation of an organic acid at the time of inducing the expression is reduced, and wherein the gene is expressed under control of a tryptophan promoter.Type: ApplicationFiled: May 25, 2018Publication date: September 20, 2018Applicants: AJINOMOTO CO., INC., SPIBER INC.Inventors: Kentaro Nakase, Yoshinori Takashima, Takeshi Nagahiko
-
Publication number: 20180201814Abstract: The present invention provides an adhered structure in which members of the same or different materials are adhered to each other with a high adhesive strength and a method for producing the adhered structure. The adhered structure of the present invention comprises a first solid member, a second solid member, and an adhesive member. The first solid member and the second solid member are adhered to each other through the adhesive member. The adhesive member contains a polymer. The polymer is chemically bonded to the first solid member and the second solid member.Type: ApplicationFiled: January 5, 2018Publication date: July 19, 2018Inventors: Akira Harada, Yoshinori Takashima, Tomoko Tokuhara, Yasushi Shojima, Ayako Sakawaki, Takeshi Sekito, Hiroaki Takahashi
-
Publication number: 20180133986Abstract: The present invention provides a self-repairing material having self-repairing properties and shape memory properties, as well as high dynamic strength, and also provides a method for manufacturing the same. The self-repairing material of the present invention comprises a polymer comprising specific monomer units in specific ratios, and the concentration of the monomer units is within a specific range.Type: ApplicationFiled: April 8, 2016Publication date: May 17, 2018Inventors: Akira Harada, Yoshinori Takashima, Masaki Nakahata
-
Publication number: 20170247826Abstract: In accordance with one aspect of the present disclosure, a washing machine includes a rotating tub configured to accommodate laundry, a water supply pipe configured to spray water over a surface of the laundry. The washing machine also includes a controller configured to execute a water supply cycle in which an operation of each of the rotating tub and the water supply pipe is controlled and water is supplied to the rotating tub. The washing machine further includes a wash cycle in which the laundry is washed and the controller executes a first cycle in which the rotating tub is rotated faster than a rotational speed in the wash cycle so as to discharge air contained inside the laundry before the wash cycle is terminated.Type: ApplicationFiled: February 24, 2017Publication date: August 31, 2017Inventors: Yoshinori Takashima, Takehiro Nakanishi, Tomoyuki Okuno, Toshihiro Kamii, Katsuyuki Shimakage
-
Publication number: 20170233533Abstract: Provided is a self-restoring macromolecular material that not only has excellent stress relaxation but that can also be easily restored to its original state, even when damaged or severed. Also provided is a method for producing the self-restoring macromolecular material. The self-restoring macromolecular material contains a crosslinked structure that is formed by crosslinking a polymer containing at least a polyrotaxane molecule. The polyrotaxane molecule is formed so as to include a cyclic molecule 21 and a linear molecule that passes through an opening 21a of the cyclic molecule. The crosslinked structure 1 is crosslinked via a reversible bond between the cyclic molecule of the polyrotaxane molecule and a polymer molecule other than the polyrotaxane molecule.Type: ApplicationFiled: June 19, 2015Publication date: August 17, 2017Applicant: Osaka UniversityInventors: Akira Harada, Yoshinori Takashima, Yuichiro Kobayashi, Masaki Nakahata, Shoko Mori
-
Patent number: 9644119Abstract: The present invention provides a selective adhesion method and a self-assembly method for macroscale materials based on molecular recognition. One or more host bodies formed from a macromolecule having one or more host groups on the side chains, and one or more guest bodies formed from a macromolecule having one or more guest groups on the side chains are vibrated in a solvent to selectively form an assembly.Type: GrantFiled: May 11, 2015Date of Patent: May 9, 2017Assignee: Osaka UniversityInventors: Akira Harada, Ryosuke Kobayashi, Hiroyasu Yamaguchi, Akihito Hashidzume, Yoshinori Takashima