Patents by Inventor Yasunari Okada

Yasunari Okada 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: 20220363881
    Abstract: A thermosetting composition comprising the following component (A) and component (B), and having a viscosity of 0.1 Pa·s or higher and 100 Pa·s or lower at a shear rate of 10 s?1 at 25° C. measured in accordance with JIS K7117-2.
    Type: Application
    Filed: September 24, 2020
    Publication date: November 17, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Yutaka OBATA, Yasunari OKADA, Tomoaki TAKEBE
  • Publication number: 20190147022
    Abstract: The present invention addresses the problem of creating a device for assisting in creating a homepage in such a manner that a general user can create a desired homepage on a homepage editing screen in a simple operation. The device 10 for assisting in creating a homepage according to the present invention is provided with: a means for creating content constituting the homepage on the basis of a user operation; a means for determining the positional relationship between created new content and previously created existing content; and a means for editing source code for the homepage on the basis of a layout rule that is among a plurality of layout rules for content, and that matches said positional relationship.
    Type: Application
    Filed: March 13, 2017
    Publication date: May 16, 2019
    Inventor: Yasunari OKADA
  • Patent number: 8110614
    Abstract: Adamantane derivatives are provided including a phenolic hydroxyl group-containing adamantane derivative, a glycidyloxy group-containing adamantane derivative, and an adamantyl group-containing epoxy modified acrylate, which exhibit excellent transparency, light resistance, and heat resistance properties. Also provided are resin compositions containing the adamantane derivatives. Further provided are corresponding methods for producing the adamantane derivatives, as well as the resin compositions containing the same.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: February 7, 2012
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Katsuki Ito, Yasunari Okada, Hideki Yamane, Akio Kojima
  • Patent number: 8084650
    Abstract: Disclosed is an adamantane derivative which provides a cured product excellent in optical characteristics such as transparency and light resistance, long-term heat resistance, electrical characteristics such as and dielectric constant, and low water absorption. Also disclosed are a resin composition containing the adamantane derivative, a sealing agent for electronic circuits, optical electronic member, semiconductor device and copper-clad laminate all using the resin composition, and a radiation-sensitive resin composition which contains the above-mentioned adamantane derivative as a crosslinking agent.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: December 27, 2011
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yasunari Okada, Hajime Ito, Hideki Yamane, Nobuaki Matsumoto
  • Patent number: 8022151
    Abstract: Provided are: an adamantane derivative represented by the following general formula (I) giving a cured product excellent in optical characteristics such as transparency and light resistance, durabilities such as heat resistance, and electrical characteristics such as dielectric constant; a method of producing the adamantane derivative; a resin composition containing the adamantane derivative and an epoxy resin curing agent; and a sealing agent for an optical semiconductor using the resin composition: where: Y represents a group selected from a hydrocarbon group, a hydroxyl group, a carboxyl group, and an ?O group formed by two Y's being combined together; Z represents a cyclic ether group; n represents an integer of 0 or more; and p represents an integer of 2 to 4 and q represents an integer of 0 to 14, while satisfying 2?p+q?16.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: September 20, 2011
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yasunari Okada, Hidetoshi Ono, Katsuki Ito
  • Patent number: 8017800
    Abstract: The present invention provides an adamantyl group containing epoxy-modified (meth)acrylate and a resin composition containing it which are imparted by transparency, optical characteristics such as (durable) light resistance and the like, heat-resistance, and good mechanical properties. For example, they are an adamantyl group containing epoxy-modified (meth)acrylate having the following general formula (I) and a composition containing it. In the formula, R1 represents a hydrogen atom or a methyl group, and R2 represents a halogen atom or an aliphatic hydrocarbon group which may contain a hetero atom. Plural R2 may be the same or different, and m represents an integer of 0 to 4 and n represents an integer of 0 or more.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: September 13, 2011
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yasunari Okada, Hajime Ito, Hideki Yamane, Nobuaki Matsumoto
  • Patent number: 7960483
    Abstract: An adamantane derivative of formula (I), a compound of formula (VII) or (VIII), compositions containing them, and optical electronic members using the resin compositions. In the formulas, W represents, for example, a hydrogen atom, X is bonded to a bridge-head adamantane carbon and represents, for example, a group of represented by the general formula (II), Y represents a group of formula (V) or (VI), R1 represents a methyl group or an ethyl group, R2 represents a C1 to C10 hydrocarbon group which may contain O or S, m is an integer of 2 to 4, k is an integer of 0 to (16?m) and p and q are each an integer of 1 to 5.
    Type: Grant
    Filed: February 1, 2007
    Date of Patent: June 14, 2011
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hajime Ito, Yasunari Okada, Hideki Yamane, Nobuaki Matsumoto
  • Patent number: 7939682
    Abstract: Provided are a polymerizable group-containing and fluorine-containing adamantane derivative capable of affording a cured product having good heat resistance, good mechanical properties such as surface hardness and a low refractive index, a resin composition containing such a polymerizable group-containing adamantane derivative, and a fluorine-containing adamantane derivative which is useful as a reaction intermediate used for the production of the polymerizable group-containing and fluorine-containing adamantane derivative. Specifically provided are a fluorine-containing adamantane derivative represented by the general formula (I) below, a polymerizable group-containing and fluorine-containing adamantane derivative represented by the general formula (II) below, and a resin composition containing such a polymerizable group-containing and fluorine-containing adamantane derivative.
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: May 10, 2011
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yasunari Okada, Hideki Yamane, Nobuaki Matsumoto
  • Publication number: 20100298491
    Abstract: Disclosed is an adamantane derivative which provides a cured product excellent in optical characteristics such as transparency and light resistance, long-term heat resistance, electrical characteristics such as and dielectric constant, and low water absorption. Also disclosed are a resin composition containing the adamantane derivative, a sealing agent for electronic circuits, optical electronic member, semiconductor device and copper-clad laminate all using the resin composition, and a radiation-sensitive resin composition which contains the above-mentioned adamantane derivative as a crosslinking agent.
    Type: Application
    Filed: January 19, 2007
    Publication date: November 25, 2010
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasunari Okada, Hajime Ito, Hideki Yamane, Nobuaki Matsumoto
  • Publication number: 20100274043
    Abstract: The present invention provides an adamantyl group containing epoxy-modified (meth)acrylate and a resin composition containing it which are imparted by transparency, optical characteristics such as (durable) light resistance and the like, heat-resistance, and good mechanical properties. For example, they are an adamantyl group containing epoxy-modified (meth)acrylate having the following general formula (I) and a composition containing it. In the formula, R1 represents a hydrogen atom or a methyl group, and R2 represents a halogen atom or an aliphatic hydrocarbon group which may contain a hetero atom. Plural R2 may be the same or different, and m represents an integer of 0 to 4 and n represents an integer of 0 or more.
    Type: Application
    Filed: July 7, 2010
    Publication date: October 28, 2010
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Yasunari OKADA, Hajime ITO, Hideki YAMANE, Nobuaki MATSUMOTO
  • Patent number: 7790917
    Abstract: The present invention provides an adamantyl group containing epoxy-modified (meth)acrylate and a resin composition containing it which are imparted by transparency, optical characteristics such as (durable) light resistance and the like, heat-resistance, and good mechanical properties. For example, they are an adamantyl group containing epoxy-modified (meth)acrylate having the following general formula (I) and a composition containing it. In the formula, R1 represents a hydrogen atom or a methyl group, and R2 represents a halogen atom or an aliphatic hydrocarbon group which may contain a hetero atom. Plural R2 may be the same or different, and m represents an integer of 0 to 4 and n represents an integer of 0 or more.
    Type: Grant
    Filed: April 24, 2007
    Date of Patent: September 7, 2010
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Yasunari Okada, Hajime Ito, Hideki Yamane, Nobuaki Matsumoto
  • Publication number: 20100130712
    Abstract: Provided is a cured resin of an adamantane derivative having a specific structure, which has excellent optical properties such as transparency and (long-term) light stability, long-term heat resistance, dielectric constant, and mechanical properties, and which can be utilized suitably in the field of electronic and optical materials.
    Type: Application
    Filed: March 31, 2008
    Publication date: May 27, 2010
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Katsuki Ito, Yasunari Okada, Hideki Yamane, Shinobu Yamao
  • Publication number: 20100093947
    Abstract: Provided are: an adamantane derivative represented by the following general formula (I) giving a cured product excellent in optical characteristics such as transparency and light resistance, durabilities such as heat resistance, and electrical characteristics such as dielectric constant; a method of producing the adamantane derivative; a resin composition containing the adamantane derivative and an epoxy resin curing agent; and a sealing agent for an optical semiconductor using the resin composition: where: Y represents a group selected from a hydrocarbon group, a hydroxyl group, a carboxyl group, and an ?O group formed by two Y's being combined together; Z represents a cyclic ether group; n represents an integer of 0 or more; and p represents an integer of 2 to 4 and q represents an integer of 0 to 14, while satisfying 2?p+q?16.
    Type: Application
    Filed: April 28, 2008
    Publication date: April 15, 2010
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasunari Okada, Hidetoshi Ono, Katsuki Ito
  • Publication number: 20100056663
    Abstract: The present invention is an adamantane derivative which provides optical characteristics such as transparency, (long term) light resistance and the like, long term heat resistance, electric characteristics such as dielectric constant and the like, and good mechanical properties; a production method thereof; and a resin composition containing the above-mentioned adamantane derivative that is an adamantane derivative represented by general formulae (I) to (III); for example, a production method of an adamantane derivative represented by the general formula (III) by reacting an adamantane derivative represented by the general formula (II) with acrylates, a resin composition containing an adamantane derivative represented by the general formula (II) and an epoxy resin curing agent, and a resin composition containing an adamantane derivative represented by the general formula (III) and a thermopolymerization initiator or a photopolymerization initiator.
    Type: Application
    Filed: November 21, 2007
    Publication date: March 4, 2010
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Katsuki Ito, Yasunari Okada, Hideki Yamane, Akio Kojima
  • Publication number: 20100048757
    Abstract: Disclosed herein is an adamantane derivative represented by the following general formula (I): (wherein R represents a hydrogen atom, a fluorine atom, a methyl group or a trifluoromethyl group; Y represents a hydrogen atom, a hydroxyl group, ?O formed by two Ys together, a carboxyl group, or a hydrocarbon group having 1 to 20 carbon atoms or a cyclic hydrocarbon group having 3 to 20 carbon atoms; m is 13 and n is 3, or m is 12 and n is 4; and p is an integer of one or more), a production method thereof, a resin composition containing the adamantane derivative, and a cured product thereof.
    Type: Application
    Filed: October 24, 2007
    Publication date: February 25, 2010
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Yasunari Okada, Hideki Yamane, Katsuki Ito, Nobuaki Matsumoto
  • Publication number: 20090156854
    Abstract: The present invention provides an adamantane derivative (I) having a structure represented by the general formula (I); an adamantane derivative (II) having a structure represented by the general formula (II); and a process for producing those adamantane derivatives. An alcohol form of an adamantane compound is reacted with a sulfonyl compound to obtain the adamantane derivative (II), which is then reacted with an alcohol to obtain the adamantane derivative (I). The adamantane derivative (I) and adamantane derivative (II) each having the structure represented by the general formula (I) and general formula (II), respectively, is a novel adamantyl (meth)acrylate compound and useful as a monomer for functional resins such as a photosensitive resin in the field of photolithography.
    Type: Application
    Filed: February 2, 2009
    Publication date: June 18, 2009
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Naoyoshi HATAKEYAMA, Shinji Tanaka, Hidetoshi Ono, Yasunari Okada
  • Publication number: 20090148706
    Abstract: The present invention provides an optical waveguide having a low temperature dependence of the difference in refractive index between a core resin and a clad resin and exhibiting excellent optical properties in all the operating temperatures. An optical waveguide of the present invention includes cured resin products each containing, as constituent components, first fluorine-containing monomers each having a perfluoroadamantane structure. With this arrangement, it is possible to obtain an optical waveguide that is excellent in both optical properties and temperature dependence of difference in refractive index between a core resin and a clad resin.
    Type: Application
    Filed: April 27, 2007
    Publication date: June 11, 2009
    Applicants: OMRON CORPORATION, IDEMITSU KOSAN CO., LTD.
    Inventors: Kyoji Kitamura, Masaki Nakamura, Yasunari Okada
  • Publication number: 20090149665
    Abstract: Provided are a polymerizable group-containing and fluorine-containing adamantane derivative capable of affording a cured product having good heat resistance, good mechanical properties such as surface hardness and a low refractive index, a resin composition containing such a polymerizable group-containing adamantane derivative, and a fluorine-containing adamantane derivative which is useful as a reaction intermediate used for the production of the polymerizable group-containing and fluorine-containing adamantane derivative. Specifically provided are a fluorine-containing adamantane derivative represented by the general formula (I) below, a polymerizable group-containing and fluorine-containing adamantane derivative represented by the general formula (II) below, and a resin composition containing such a polymerizable group-containing and fluorine-containing adamantane derivative.
    Type: Application
    Filed: August 11, 2006
    Publication date: June 11, 2009
    Inventors: Yasunari Okada, Hideki Yamane, Nobuaki Matsumoto
  • Patent number: 7528279
    Abstract: The present invention provides an adamantane derivative (I) having a structure represented by the general formula (I); an adamantane derivative (II) having a structure represented by the general formula (II); and a process for producing those adamantane derivatives. An alcohol form of an adamantane compound is reacted with a sulfonyl compound to obtain the adamantane derivative (II), which is then reacted with an alcohol to obtain the adamantane derivative (I). The adamantane derivative (I) and adamantane derivative (II) each having the structure represented by the general formula (I) and general formula (II), respectively, is a novel adamantyl(meth)acrylate compound and useful as a monomer for functional resins such as a photosensitive resin in the field of photolithography.
    Type: Grant
    Filed: February 1, 2005
    Date of Patent: May 5, 2009
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Naoyoshi Hatakeyama, Shinji Tanaka, Hidetoshi Ono, Yasunari Okada
  • Publication number: 20090099330
    Abstract: The present invention provides an adamantyl group containing epoxy-modified (meth)acrylate and a resin composition containing it which are imparted by transparency, optical characteristics such as (durable) light resistance and the like, heat-resistance, and good mechanical properties. For example, they are an adamantyl group containing epoxy-modified (meth)acrylate having the following general formula (I) and a composition containing it. In the formula, R1 represents a hydrogen atom or a methyl group, and R2 represents a halogen atom or an aliphatic hydrocarbon group which may contain a hetero atom. Plural R2 may be the same or different, and m represents an integer of 0 to 4 and n represents an integer of 0 or more.
    Type: Application
    Filed: April 24, 2007
    Publication date: April 16, 2009
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Yasunari Okada, Hajime Ito, Hideki Yamane, Nobuaki Matsumoto