Patents by Inventor Yoshihisa Hayashida
Yoshihisa Hayashida 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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Patent number: 9574106Abstract: An optical element material which is obtained by curing a resin composition for photoimprinting containing a photocurable monomer (A) of the formula (1) and a photocurable monomer (B) of the formula (2) in a weight ratio of from 30/70 to 87/13, and containing a photopolymerization initiator (C) in a content of from 0.01 to 30 parts by weight per 100 parts by weight of the total weight of the monomer (A) and the monomer (B), and which has a shrinkage on curing of at most 4.5%, and a method for producing it: wherein R1 is —CH?CH2, —CH2CH2—O—CH?CH2, —CH2—C(CH3) ?CH2 or a glycidyl group; R2 and R3 are each independently hydrogen or a C1-4 alkyl group; R4 and R5 are each independently —O—CH?CH2, —O—CH2CH2—O—CH?CH2, —O—CO—CH?CH2, —O—CO—C(CH3)?CH2, —O—CH2CH2—O—CO—CH?CH2, —O—CH2CH2—O—CO—C(CH3)?CH2 or a glycidyl ether group; and R6 and R7 are each independently hydrogen or a C1-4 alkyl group.Type: GrantFiled: September 25, 2012Date of Patent: February 21, 2017Assignee: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Yoshihisa Hayashida, Takuro Satsuka, Teruyo Ikeda
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Patent number: 9399693Abstract: A resin composition for photoimprinting, a cured product of the resin composition which is excellent in etching and heat resistance, and a pattern forming process using the resin composition are provided. The resin composition contains photocurable monomer (A) containing at least one carbazole compound of formula (I): a photocurable monomer (B) containing at least one compound of the following formulae (II), (III), and (IV): and a photopolymerization initiator (C). The weight ratio of the photocurable monomer (A) to the photocurable monomer (B) is from 30/70 to 87/13.Type: GrantFiled: December 2, 2011Date of Patent: July 26, 2016Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Yoshihisa Hayashida, Takuro Satsuka, Teruyo Ikeda, Norio Futaesaku, Toshifumi Takemori
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Publication number: 20140287219Abstract: An optical element material which is obtained by curing a resin composition for photoimprinting containing a photocurable monomer (A) of the formula (1) and a photocurable monomer (B) of the formula (2) in a weight ratio of from 30/70 to 87/13, and containing a photopolymerization initiator (C) in a content of from 0.01 to 30 parts by weight per 100 parts by weight of the total weight of the monomer (A) and the monomer (B), and which has a shrinkage on curing of at most 4.5%, and a method for producing it: wherein R1 is —CH?CH2, —CH2CH2—O—CH?CH2, —CH2—C(CH3)?CH2 or a glycidyl group; R2 and R3 are each independently hydrogen or a C1-4 alkyl group; R4 and R5 are each independently —O—CH?CH2, —O—CH2CH2—O—CH?CH2, —O—CO—CH?CH2, —O—CO—C(CH3)?CH2, —O—CH2CH2—O—CO—CH?CH2, —O—CH2CH2—O—CO—C(CH3)?CH2 or a glycidyl ether group; and R6 and R7 are each independently hydrogen or a C1-4 alkyl group.Type: ApplicationFiled: September 25, 2012Publication date: September 25, 2014Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Yoshihisa Hayashida, Takuro Satsuka, Teruyo Ikeda
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Patent number: 8597769Abstract: There are provided an etching mask which has a superior thermal imprinting characteristic and also a good anti-etching characteristic, a base material with the etching mask, a microfabricated product to which those etching mask and base material are applied, and a production method of the microfabricated product. The etching mask formed of a thermoplastic resin containing at least one kind of skeleton expressed by a chemical formula (1) or a chemical formula (2) in a main chain wherein R1, R2, R3, R4, R5, R6, R7, R8 in the formulae (1), (2) can be different or same one another, each of which is a hydrogen atom, a deuterium atom, a hydrocarbon group having a carbon number of 1 to 15, a halogen atom, or a substituent group containing a hetero atom like oxygen or sulfur, and may form a ring structure one another and wherein m and n are integers equal to or greater than 0.Type: GrantFiled: November 13, 2008Date of Patent: December 3, 2013Assignee: Maruzen Petrochemical Co. Ltd.Inventors: Yoshiaki Takaya, Takuro Satsuka, Yoshihisa Hayashida, Takahisa Kusuura, Anupam Mitra
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Publication number: 20130288021Abstract: A resin composition for photoimprinting, a cured product of the resin composition which is excellent in etching and heat resistance, and a pattern forming process using the resin composition are provided. The resin composition contains photocurable monomer (A) containing at least one carbazole compound of formula (I): a photocurable monomer (B) containing at least one compound of the following formulae (II), (III), and (IV): and a photopolymerization initiator (C). The weight ratio of the photocurable monomer (A) to the photocurable monomer (B) is from 30/70 to 87/13.Type: ApplicationFiled: December 2, 2011Publication date: October 31, 2013Applicant: Maruzen Petrochemical Co., Ltd.Inventors: Yoshihisa Hayashida, Takuro Satsuka, Teruyo Ikeda, Norio Futaesaku, Toshifumi Takemori
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Publication number: 20120223461Abstract: The present invention provides an imprinting device and an imprinting method which can uniformly apply pressure between a mold and a molding object and which can increase and decrease a temperature at a fast speed. An imprinting device is for transferring a pattern on a mold to a film molding object, and comprises a stage for holding the mold, a pressurizing-chamber casing which configures a pressurizing-chamber together with the molding object, sealing means which airtightly seals a space between the pressurizing-chamber casing and the molding object, opening and closing means which opens and closes the space between the pressurizing-chamber casing and the molding object, pressurizing means which adjusts atmospheric pressure in the pressurizing-chamber, heating means which heats either one of or both of the mold and the molding object, and degassing means which eliminates any gas present between the mold and the molding object.Type: ApplicationFiled: May 15, 2012Publication date: September 6, 2012Applicant: SCIVAX CORPORATIONInventors: Yoshiaki Takaya, Yuji Hashima, Yoshihisa Hayashida, Hirosuke Kawaguchi, Satoru Tanaka, Akihiko Kanai, Kazuaki Uehara
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Patent number: 8215944Abstract: The present invention provides an imprinting device and an imprinting method which can uniformly apply pressure between a mold and a molding object and which can increase and decrease a temperature at a fast speed. An imprinting device is for transferring a pattern on a mold to a film molding object and comprises a stage for holding the mold, a pressurizing-chamber casing which configures a pressurizing-chamber together with the molding object, sealing means which airtightly seals a space between the pressurizing-chamber casing and the molding object, opening and closing means which opens and closes the space between the pressurizing-chamber casing and the molding object, pressurizing means which adjusts atmospheric pressure in the pressurizing-chamber, heating means which heats either one of or both of the mold and the molding object, and degassing means which eliminates any gas present between the mold and the molding object.Type: GrantFiled: December 25, 2008Date of Patent: July 10, 2012Assignee: Scivax CorporationInventors: Yoshiaki Takaya, Yuji Hashima, Yoshihisa Hayashida, Hirosuke Kawaguchi, Satoru Tanaka, Akihiko Kanai, Kazuaki Uehara
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Publication number: 20110024948Abstract: The present invention provides an imprinting device and an imprinting method which can uniformly apply pressure between a mold and a molding object and which can increase and decrease a temperature at a fast speed. An imprinting device is for transferring a pattern on a mold to a film molding object, and comprises a stage for holding the mold, a pressurizing-chamber casing which configures a pressurizing-chamber together with the molding object, sealing means which airtightly seals a space between the pressurizing-chamber casing and the molding object, opening and closing means which opens and closes the space between the pressurizing-chamber casing and the molding object, pressurizing means which adjusts atmospheric pressure in the pressurizing-chamber, heating means which heats either one of or both of the mold and the molding object, and degassing means which eliminates any gas present between the mold and the molding object.Type: ApplicationFiled: December 25, 2008Publication date: February 3, 2011Applicant: SCIVAX CORPORATIONInventors: Yoshiaki Takaya, Yuji Hashima, Yoshihisa Hayashida, Hirosuke Kawaguchi, Satoru Tanaka, Akihiko Kanai, Kazuaki Uehara
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Publication number: 20100310830Abstract: There are provided an etching mask which has a superior thermal imprinting characteristic and also a good anti-etching characteristic, a base material with the etching mask, a microfabricated product to which those etching mask and base material are applied, and a production method of the microfabricated product. The etching mask formed of a thermoplastic resin containing at least one kind of skeleton expressed by a chemical formula (1) or a chemical formula (2) in a main chain wherein R1, R2, R3, R4, R5, R6, R7, R8 in the formulae (1), (2) can be different or same one another, each of which is a hydrogen atom, a deuterium atom, a hydrocarbon group having a carbon number of 1 to 15, a halogen atom, or a substituent group containing a hetero atom like oxygen or sulfur, and may form a ring structure one another and wherein m and n are integers equal to or greater than 0.Type: ApplicationFiled: November 13, 2008Publication date: December 9, 2010Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Yoshiaki Takaya, Takuro Satsuka, Yoshihisa Hayashida, Takahisa Kusuura, Anupam Mitra
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Publication number: 20100189984Abstract: There are provided a resin solution substantially applicable to thermal imprinting, a thin film thereof, and manufacturing methods of those. A thermal imprinting resin solution for forming a thin film used for thermal imprinting applications comprises a thermoplastic resin and greater than or equal to at least one kind of solvent which can dissolve the resin, and an containing amount of foreign particles having a grain diameter larger than or equal to 0.2 ?m is controlled to be less than 3000 particles/cm3. Moreover, remaining volatile compositions in a thin film are set to be less than or equal to 0.25% when the thin film is formed from the thermal imprinting resin solution.Type: ApplicationFiled: July 2, 2008Publication date: July 29, 2010Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Yoshiaki Takaya, Takuro Satsuka, Go Nagai, Yoshihisa Hayashida, Takahisa Kusuura, Anupam Mitra
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Patent number: 7345119Abstract: An olefin polymerization solid catalyst including a reaction product of a transition metal compound and an organoaluminum compound carried on a support having silica treated with an organoaluminum-oxy compound.Type: GrantFiled: November 30, 2004Date of Patent: March 18, 2008Assignee: Maruzen Petrochemical Company, LimitedInventors: Toshifumi Takemori, Minoru Iijima, Yoshihisa Hayashida, Masashi Iida
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Publication number: 20050215736Abstract: An olefin polymerization solid catalyst which comprises having a reaction product of (C) a transition metal compound of the following formula (1) or (2) and (D) an organoaluminum compound carried on a support having (A) silica treated with (B) an organoaluminum-oxy compound; (R1aCp)m(R2bCp)nM-(-X-Ar-Yc)4-(m+n)??(1) wherein M is titanium, zirconium or hafnium, Cp is a group having a cyclopentadienyl structure, R1 and R2 are a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an alkylaryl group, an arylalkyl group or an alkylsilyl group, X is an oxygen atom or a sulfur atom, Ar is an aromatic ring, Y may be the same or different and is a hydrogen atom or a substituent selected from the group consisting of a hydrocarbon group, an alkylsilyl group, a halogen atom, a halogenated hydrocarbon group, a nitrogen-containing organic group, an oxygen-containing organic group or a sulfur-containing organic group, a and b are an integer of from 0 to 5, m and n are an integer of from 0 to 3, m+n is an integType: ApplicationFiled: November 30, 2004Publication date: September 29, 2005Applicant: MARUZEN PETROCHEMICAL COMPANY, LIMITEDInventors: Toshifumi Takemori, Minoru Iijima, Yoshihisa Hayashida, Masashi Iida
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Patent number: 6787616Abstract: A solid catalyst for olefin polymerization, which comprises a silica carrier (A) having a specific surface area of from 600 to 850 m2/g, a pore volume of from 0.1 to 0.8 ml/g and an average particle size of from 2 to 12 &mgr;m, and an organoaluminum-oxy compound (B) and a Group IVB transition metal compound (C) containing a ligand having a cyclopentadienyl skeleton, supported on the carrier (A).Type: GrantFiled: June 18, 2003Date of Patent: September 7, 2004Assignee: Maruzen Petrochemical Co., Ltd.Inventors: Toshifumi Takemori, Masashi Iida, Minoru Iijima, Yoshihisa Hayashida, Masao Kawahara
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Publication number: 20040010104Abstract: A solid catalyst for olefin polymerization, which comprises a silica carrier (A) having a specific surface area of from 600 to 850 m2/g, a pore volume of from 0.1 to 0.8 ml/g and an average particle size of from 2 to 12 &mgr;m, and an organoaluminum-oxy compound (B) and a Group IVB transition metal compound (C) containing a ligand having a cyclopentadienyl skeleton, supported on the carrier (A).Type: ApplicationFiled: June 18, 2003Publication date: January 15, 2004Applicant: MARUZEN PETROCHEMICAL CO., LTD.Inventors: Toshifumi Takemori, Masashi Iida, Minoru Iijima, Yoshihisa Hayashida, Masao Kawahara