Patents by Inventor Naomi Okamura
Naomi Okamura 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).
-
Patent number: 10920068Abstract: Provided is a novel curable composition that is a two-pack type curable composition that includes an epoxy resin and a crosslinkable silicon group-containing organic polymer, excels in storage stability, and does not experience curing delays, an increase in viscosity of the base material, or the deterioration of the base material such as gelation or the deposition of insoluble material. Also provided is a novel curable composition that excels in storage stability even when water is added to improve deep portion curability. A two-pack type epoxy composition according to the present invention contains: a base material that includes (A) an epoxy resin, (B) a compound having an Si—F bond, and (C) an alkoxysilane not having at least one group selected from the group consisting of a primary amino group, a secondary amino group, and a mercapto group; and a curing agent that includes (D) a crosslinkable silicon group-containing organic polymer, and (E) a tertiary amine compound.Type: GrantFiled: June 23, 2017Date of Patent: February 16, 2021Assignee: CEMEDINE CO., LTD.Inventors: Shingo Yano, Satoshi Yoshikawa, Naomi Okamura
-
Patent number: 10844251Abstract: Provided is a method of producing a pressure-sensitive adhesive containing a cured product of a curable composition containing a crosslinkable silicon group-containing organic polymer and an adhesion-imparting resin as a pressure-sensitive adhesive layer; curing of the curable composition does not proceed when heated during production, i.e., the curable composition has excellent stability when heated, and the crosslinking reaction of the curable composition proceeds by some sort of trigger. The pressure-sensitive adhesive contains, as a pressure-sensitive adhesive layer, a cured product of a curable composition containing (A) a crosslinkable silicon group-containing organic polymer, (B) an adhesion-imparting resin, (C) a Si—F bond-containing silicon compound, and (D) a photobase generator.Type: GrantFiled: April 22, 2016Date of Patent: November 24, 2020Assignee: CEMEDINE CO., LTD.Inventors: Shouma Kouno, Tomohiro Midorikawa, Naomi Okamura, Hiroshi Yamaga
-
Publication number: 20190225795Abstract: Provided is a novel curable composition that is a two-pack type curable composition that includes an epoxy resin and a crosslinkable silicon group-containing organic polymer, excels in storage stability, and does not experience curing delays, an increase in viscosity of the base material, or the deterioration of the base material such as gelation or the deposition of insoluble material. Also provided is a novel curable composition that excels in storage stability even when water is added to improve deep portion curability. A two-pack type epoxy composition according to the present invention contains: a base material that includes (A) an epoxy resin, (B) a compound having an Si—F bond, and (C) an alkoxysilane not having at least one group selected from the group consisting of a primary amino group, a secondary amino group, and a mercapto group; and a curing agent that includes (D) a crosslinkable silicon group-containing organic polymer, and (E) a tertiary amine compound.Type: ApplicationFiled: June 23, 2017Publication date: July 25, 2019Applicant: CEMEDINE CO., LTD.Inventors: Shingo YANO, Satoshi YOSHIKAWA, Naomi OKAMURA
-
Publication number: 20180298239Abstract: Provided is a method of producing a pressure-sensitive adhesive containing a cured product of a curable composition containing a crosslinkable silicon group-containing organic polymer and an adhesion-imparting resin as a pressure-sensitive adhesive layer; curing of the curable composition does not proceed when heated during production, i.e., the curable composition has excellent stability when heated, and the crosslinking reaction of the curable composition proceeds by some sort of trigger. The pressure-sensitive adhesive contains, as a pressure-sensitive adhesive layer, a cured product of a curable composition containing (A) a crosslinkable silicon group-containing organic polymer, (B) an adhesion-imparting resin, (C) a Si—F bond-containing silicon compound, and (D) a photobase generator.Type: ApplicationFiled: April 22, 2016Publication date: October 18, 2018Applicant: CEMEDINE CO., LTD.Inventors: Shouma KOUNO, Tomohiro MIDORIKAWA, Naomi OKAMURA, Hiroshi YAMAGA
-
Patent number: 9718999Abstract: The present invention provides a curable composition containing an organic polymer having a crosslinkable silicon group, the composition having sufficient usable life and having adhesive properties with respect to an adherend (substrate) that are equivalent to those of the case where aminosilane is included. The composition comprises: (A) a crosslinkable silicon group-containing organic polymer; and (B) a crosslinkable silicon group-containing compound that forms, by means of light, at least one type of amino group selected from the group consisting of primary amino groups and secondary amino groups. The crosslinkable silicon group-containing organic polymer (A) is preferably at least one type selected from the group consisting of crosslinkable silicon group-containing polyoxyalkylene polymers and crosslinkable silicon group-containing (meth)acrylic-based polymers.Type: GrantFiled: December 12, 2014Date of Patent: August 1, 2017Assignee: CEMEDINE CO., LTDInventors: Shouma Kouno, Hiroshi Yamaga, Naomi Okamura, Atsushi Saito
-
Publication number: 20160312089Abstract: The present invention provides a curable composition containing an organic polymer having a crosslinkable silicon group, the composition having sufficient usable life and having adhesive properties with respect to an adherend (substrate) that are equivalent to those of the case where aminosilane is included. The composition comprises: (A) a crosslinkable silicon group-containing organic polymer; and (B) a crosslinkable silicon group-containing compound that forms, by means of light, at least one type of amino group selected from the group consisting of primary amino groups and secondary amino groups. The crosslinkable silicon group-containing organic polymer (A) is preferably at least one type selected from the group consisting of crosslinkable silicon group-containing polyoxyalkylene polymers and crosslinkable silicon group-containing (meth)acrylic-based polymers.Type: ApplicationFiled: December 12, 2014Publication date: October 27, 2016Applicant: CEMEDINE CO., LTD.Inventors: Shouma KOUNO, Hiroshi YAMAGA, Naomi OKAMURA, Atsushi SAITO
-
Publication number: 20160152783Abstract: A rapid-curing photocurable composition exerting excellent adhesion performance even with a low cumulative light quantity and being curable in a short time, thus ensuring excellent workability, is provided. A photocurable composition is made to includes: (A) a crosslinkable silicon group-containing organic polymer; (B) a photobase generator; and (C1) a silicon compound having an Si—F bond and/or (C2) one or more fluorine-based compounds selected from the group consisting of boron trifluoride, a boron trifluoride complex, a fluorinating agent, and an alkali metal salt of a polyfluoro compound. The (B) photobase generator is preferably a photolatent tertiary amine.Type: ApplicationFiled: July 11, 2014Publication date: June 2, 2016Inventors: Hiroshi YAMAGA, Naomi OKAMURA, Yutaka WATANABE, Ryosuke ASAI, Shouma KOUNO, Atsushi SAITO
-
Patent number: 9296305Abstract: Provided is a charging apparatus for vehicles which charges a vehicle provided with a charging control circuit via a charging cable, comprising a charging control device which controls electrical charging to the vehicle by transmitting a charging control signal to the charging control circuit on the vehicle side, a charging control signal transmission restricting device which restricts transmission of the charging control signal, and a resetting device which forcibly resets the charging control signal when said restriction on transmission of the charging control signal is withdrawn.Type: GrantFiled: December 26, 2011Date of Patent: March 29, 2016Assignees: Toyota Jidosha Kabushiki Kaisha, Nitto Kogyo CorporationInventors: Shinji Ichikawa, Naomi Okamura, Satoshi Tanaka, Atsuhisa Ando, Hiroyuki Okada, Hiroshi Suzuki, Yoshinori Aikawa, Shougo Inamori
-
Publication number: 20140021918Abstract: Provided is a charging apparatus for vehicles which charges a vehicle provided with a charging control circuit via a charging cable, comprising a charging control device which controls electrical charging to the vehicle by transmitting a charging control signal to the charging control circuit on the vehicle side, a charging control signal transmission restricting device which restricts transmission of the charging control signal, and a resetting device which forcibly resets the charging control signal when said restriction on transmission of the charging control signal is withdrawn.Type: ApplicationFiled: December 26, 2011Publication date: January 23, 2014Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, NITTO KOGYO CORPORATION, KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Shinji Ichikawa, Naomi Okamura, Satoshi Tanaka, Atsuhisa Ando, Hiroyuki Okada, Hiroshi Suzuki, Yoshinori Aikawa, Shougo Inamori
-
Patent number: 8519049Abstract: Disclosed is a curable composition including an organic polymer containing a crosslinkable silyl group, an ultraviolet ray absorbing agent having a triazine skeleton and a hindered amine based light stabilizer. The composition exhibits improved weather resistance in a thin layer and thick layer portion. Further, disclosed is a curable composition including an organic polymer containing a crosslinkable silyl group, a (meth)acrylic polymer containing an epoxy group, a divalent tin organic carboxylate and an organic amine compound. The composition exhibits excellent properties. Also, disclosed is a curable composition and sealing material including a reactive organic polymer containing at least one crosslinkable silyl group in one molecule thereof, a reactive organic polymer containing less than one crosslinkable silyl group in one molecule thereof, and thermally expandable hollow spheres. The composition has good physical properties. Also, disclosed is a fire-resistant structure forming method.Type: GrantFiled: July 9, 2012Date of Patent: August 27, 2013Assignee: Cemedine Co., Ltd.Inventors: Atsushi Saito, Masaki Ito, Shingo Kano, Hisashi Maekawahara, Naomi Okamura
-
Publication number: 20120316253Abstract: Disclosed is a curable composition including an organic polymer containing a crosslinkable silyl group, an ultraviolet ray absorbing agent having a triazine skeleton and a hindered amine based light stabilizer. The composition exhibits improved weather resistance in a thin layer and thick layer portion. Further, disclosed is a curable composition including an organic polymer containing a crosslinkable silyl group, a (meth)acrylic polymer containing an epoxy group, a divalent tin organic carboxylate and an organic amine compound. The composition exhibits excellent properties. Also, disclosed is a curable composition and sealing material including a reactive organic polymer containing at least one crosslinkable silyl group in one molecule thereof, a reactive organic polymer containing less than one crosslinkable silyl group in one molecule thereof, and thermally expandable hollow spheres. The composition has good physical properties. Also, disclosed is a fire-resistant structure forming method.Type: ApplicationFiled: July 9, 2012Publication date: December 13, 2012Inventors: Atsushi Saito, Masaki Ito, Shingo Kano, Hisashi Maekawahara, Naomi Okamura
-
Patent number: 8217130Abstract: Disclosed herein is a curable composition excellent in workability, adhesion properties, rubber-like properties, storage stability, and quick curability. The curable composition comprises (A) a crosslinkable silyl group-containing organic polymer and (B) a (meth)acrylic polymer obtained by polymerizing a (meth)acrylic monomer having a polymerizable unsaturated bond in the presence of a metallocene compound and a crosslinkable silyl group-containing thiol compound, at least one end of the (meth)acrylic polymer being bonded to a residue, —S—R3 (where R3 represents a group having a crosslinkable silyl group) obtained by removing a hydrogen atom from the crosslinkable silyl group-containing thiol compound.Type: GrantFiled: June 25, 2010Date of Patent: July 10, 2012Assignee: Cemedine Co., Ltd.Inventors: Atsushi Saito, Tomonori Saito, Naomi Okamura
-
Publication number: 20100267898Abstract: Disclosed herein is a curable composition excellent in workability, adhesion properties, rubber-like properties, storage stability, and quick curability. The curable composition comprises (A) a crosslinkable silyl group-containing organic polymer and (B) a (meth)acrylic polymer obtained by polymerizing a (meth)acrylic monomer having a polymerizable unsaturated bond in the presence of a metallocene compound and a crosslinkable silyl group-containing thiol compound, at least one end of the (meth)acrylic polymer being bonded to a residue, —S—R3 (where R3 represents a group having a crosslinkable silyl group) obtained by removing a hydrogen atom from the crosslinkable silyl group-containing thiol compound.Type: ApplicationFiled: June 25, 2010Publication date: October 21, 2010Inventors: Atsushi SAITO, Tomonori Saito, Naomi Okamura
-
Patent number: 7781559Abstract: Disclosed herein is a curable composition excellent in workability, adhesion properties, rubber-like properties, storage stability, and quick curability. The curable composition comprises (A) a crosslinkable silyl group-containing organic polymer and (B) a (meth)acrylic polymer obtained by polymerizing a (meth)acrylic monomer having a polymerizable unsaturated bond in the presence of a metallocene compound and a crosslinkable silyl group-containing thiol compound, at least one end of the (meth)acrylic polymer being bonded to a residue, —S—R3 (where R3 represents a group having a crosslinkable silyl group) obtained by removing a hydrogen atom from the crosslinkable silyl group-containing thiol compound.Type: GrantFiled: July 30, 2004Date of Patent: August 24, 2010Assignee: Cemedine Co., Ltd.Inventors: Atsushi Saito, Tomonori Saito, Naomi Okamura
-
Publication number: 20090118401Abstract: Firstly, disclosed is a curable composition which includes an organic polymer containing a crosslinkable silyl group, an ultraviolet ray absorbing agent having a triazine skeleton and a hindered amine based light stabilizer, and thereby, exhibits improved weather resistance both in a thin layer portion and in a thick layer portion. Secondly, disclosed is a curable composition which includes an organic polymer containing a crosslinkable silyl group, a (meth)acrylic polymer containing an epoxy group, a divalent tin organic carboxylate and an organic amine compound, and thereby, exhibits excellent weather resistance, anti-staining property, restoring property and durability.Type: ApplicationFiled: September 27, 2005Publication date: May 7, 2009Inventors: Atsushi Saito, Masaki Ito, Shingo Kano, Hisashi Maekawahara, Naomi Okamura
-
Publication number: 20060293456Abstract: Disclosed herein is a curable composition excellent in workability, adhesion properties, rubber-like properties, storage stability, and quick curability. The curable composition comprises (A) a crosslinkable silyl group-containing organic polymer and (B) a (meth)acrylic polymer obtained by polymerizing a (meth)acrylic monomer having a polymerizable unsaturated bond in the presence of a metallocene compound and a crosslinkable silyl group-containing thiol compound, at least one end of the (meth)acrylic polymer being bonded to a residue, —S—R3 (where R3 represents a group having a crosslinkable silyl group) obtained by removing a hydrogen atom from the crosslinkable silyl group-containing thiol compound.Type: ApplicationFiled: July 30, 2004Publication date: December 28, 2006Applicant: CEMEDINE CO., LTD.Inventors: Atsushi Saito, Tomonori Saito, Naomi Okamura
-
Patent number: 6234348Abstract: An extruding mechanism for a tubular bag and a method of extruding the contents of a tubular bag are provided, by which a sealing material or the like is extruded and discharged from a tubular bag with an extruding gun for a cartridge container, and which reduces the amount of discarded waste, thereby serving as one solution to environmental problems. The extruding mechanism includes an extruding gun having a holding base, and a stationary holding plate disposed on a front end portion of the holding base. The holding plate is provided with a notched portion opened upward. An extruding rod is equipped at its leading end with a pressing plate. A cylindrical member having a cylinder body is set on the holding base and accommodates the tubular bag and is opened at both ends, and a piston body is inserted into the cylinder body.Type: GrantFiled: July 19, 1999Date of Patent: May 22, 2001Assignee: Cemedine Co., Ltd.Inventors: Naomi Okamura, Kenji Matsuo, Hironobu Omura, Nobuyoshi Nishikawa, Akio Nimura
-
Patent number: 5984099Abstract: There is provided a container for display and storage comprising a body rectangular base sheet and a lid rectangular base sheet connected in a double spread sheet (or folded) condition by a folding line along the longitudinal direction. The rectangular base sheet on the body side is provided with a transparent cover in which an article can be contained and an opening is provided in the reverse face through which the article can be freely taken out and put in.Type: GrantFiled: April 24, 1998Date of Patent: November 16, 1999Assignees: Taoka Chemical Co., Ltd., Cemedine Co., Ltd.Inventors: Keizi Shimizu, Kuninori Ide, Yoshio Nagahama, Takashi Nogi, Chiaki Hata, Naomi Okamura, Akio Nimura, Takao Hino, Masayuki Fukai
-
Patent number: 5678731Abstract: The present invention relates to an improvement of a discharge container with a nozzle for housing a liquid, for example, an instantaneous adhesive or another moisture curing type adhesive, various adhesives such as solvent volatilizing type adhesive, various chemicals, foods, inks and medical supplies. The present invention is a discharge container with a nozzle which includes a container body for housing contents, a nozzle threadly attached to the container body, and a dual-shoulder type protective frame having a neck hole, wherein the base end of the mouth of the container body is inserted through the neck hole of the dual-shoulder type protective frame, and the container body is threadly attached to the nozzle, thereby allowing them to be made a one-piece structure.Type: GrantFiled: August 24, 1995Date of Patent: October 21, 1997Assignees: Taoka Chemical Company, Limited, Cemedine Company, LimitedInventors: Naomi Okamura, Akio Nimura, Masayuki Fukai, Chiaki Hata, Yoshio Nagahama, Keizi Shimizu
-
Patent number: RE35587Abstract: A tool for squeezing out a high-viscosity liquid from a flexible plastic tube container includes a spool having a slot in which the bottom of the tube container is received and locked, and a container holder having a pair of opposed bearing portions frictionally and rotatably supporting thereon a body of the spool, and a pair of opposed engagement portions engageable with a body of the tube container as the tube container is wound on the spool body from the bottom thereof. When a rotational force or torque on the spool is released, the spool is urged to rotate in the reverse direction by a resilient force stored in a portion of the flexible plastic tube container wound on the spool body. However, partly due to a friction acting between the spool body and the bearing portions, and partly due to the engagement between one of the engagement portions and the tube container, the spool is held immovable relative to the container holder against the resilient force of the tube container.Type: GrantFiled: November 20, 1995Date of Patent: August 19, 1997Assignee: Cemedine Co. Ltd.Inventors: Naomi Okamura, Akio Nimura, Takao Hino