Patents by Inventor Tetsuro Yamada
Tetsuro Yamada 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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Publication number: 20210163512Abstract: This organic silicon compound is characterized by being represented by structural formula (1), and has good reactivity while having a monoalkoxysilyl group. (In the formula, X represents a monovalent to trivalent organic group including a polyoxyalkylene structure, an alkylene group having 1-20 carbon atoms, O, S, N, or the like, R1 and R2 each independently represent an alkyl group or the like having 1-10 carbon atoms, Y represents a single bond, O, S, or the like, A1, A2, A3, A4, and A5 each represent a single bond, or a divalent linking group such as a divalent hydrocarbon group having 1-20 carbon atoms, and n represents a number of 1-3.Type: ApplicationFiled: January 22, 2019Publication date: June 3, 2021Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tetsuro YAMADA, Munenao HIROKAMI
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Publication number: 20210163690Abstract: Provided is a polyoxyalkylene group-containing organosilicon compound which contains at least one group represented by structural formula (1) in one molecule and has polyoxyalkylene structure in the main chain. This polyoxyalkylene group-containing organosilicon compound exhibits satisfactorily fast curability and excellent safety even when an amine compound is used as a curing catalyst (In the formula, each R1 independently represents an unsubstituted or substituted C1-10 alkyl group, or an unsubstituted or substituted C6-10 and group, each R2 independently represents an unsubstituted or substituted C1-10 alkyl group, or an unsubstituted or substituted C6-10 aryl group, and each R3 independently represents an unsubstituted or substituted C1-10 alkyl group, or a hydrogen atom, m is a number from 1-3, and n is an integer of 2 or greater. A dashed line represents a bond.Type: ApplicationFiled: May 16, 2017Publication date: June 3, 2021Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tetsuro Yamada, Munenao Hirokami
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Publication number: 20210155800Abstract: This polymer having a reactive silicon-containing group is represented by structural formula (1), and has good reactivity while having a monoalkoxysilyl group. (In the formula, X represents a monovalent to trivalent organic group including a main chain backbone including a predetermined polymer such as a polyurethane, a poly(meth)acrylate, or a polysiloxane, R1 and R2 each independently represent an alkyl group or the like having 1-10 carbon atoms, Y represents O, S, or the like, A1 and A2 each represent a single bond, or a divalent linking group such as a divalent hydrocarbon group having 1-20 carbon atoms, and n represents a number of 1-3.Type: ApplicationFiled: January 22, 2019Publication date: May 27, 2021Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tetsuro YAMADA, Munenao HIROKAMI
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Patent number: 10975106Abstract: To provide an organic silicon compound having an average structural formula (1). (Z represents a 2 to 20-valent group containing an organosiloxane structure, each R1 independently represents an alkyl group or an aryl group, each R2 independently represents an alkyl group or an aryl group, each R3 independently represents a hydrogen atom, an alkyl group, an alkoxy group, or an O. (oxy radical), each R4 independently represents a hydrogen atom or an alkyl group, each A1 independently represents a single bond or an alkylene group free of a hetero atom, each A2 independently represents a single bond or a divalent linking group containing a hetero atom, m is a number of 1 to 3, p is a number of 1 to 10, q is a number of 1 to 10, and p+q represents a number satisfying from 2 to 20 corresponding to the valency number of Z.Type: GrantFiled: February 6, 2020Date of Patent: April 13, 2021Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tetsuro Yamada, Munenao Hirokami
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Patent number: 10941317Abstract: The present invention pertains to a room-temperature-curable organopolysiloxane composition containing (A) an organopolysiloxane having the hydrolyzable silyl-group-containing monovalent organic group represented by formula (1) (R1 represents a substituted or unsubstituted C1-10 alkyl group or a substituted or unsubstituted C6-10 aryl group, R2 represents a substituted or unsubstituted C1-10 alkyl group or a substituted or unsubstituted C6-10 aryl group, and R3 represents a substituted or unsubstituted C1-20 alkyl group or a hydrogen atom; M is an integer from 1 to 3, and n is an integer of 2 or more; and the broken line represents atomic bonding), (B) a hydrolyzable organosilane compound and/or a partially hydrolyzed condensate thereof, (C) a curing catalyst, and (F) a bleed oil.Type: GrantFiled: March 20, 2018Date of Patent: March 9, 2021Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Akitsugu Fujiwara, Tetsuro Yamada, Munenao Hirokami
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Patent number: 10877216Abstract: An optical waveguide substrate includes a substrate that includes a recess, a buffer layer disposed on a bottom surface and a wall surface of the recess, and an optical waveguide disposed inside the recess with the buffer layer interposed therebetween and having a cladding layer disposed on the buffer layer and a core layer disposed inside the cladding layer.Type: GrantFiled: April 9, 2019Date of Patent: December 29, 2020Assignee: FUJITSU LIMITEDInventors: Kohei Choraku, Akiko Matsui, Yoshiyuki Hiroshima, Kazuki Takahashi, Tetsuro Yamada
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Publication number: 20200341042Abstract: A specific conductivity measurement method includes: performing first measurement to obtain a resonance frequency f1 that is outputted to a measuring device when the first and second dielectric flat plates each have a thickness t1, and an unloaded Qu1 that corresponds to the resonance frequency f1; performing second measurement to obtain a resonance frequency f2 that is outputted to the measuring device when the first and second dielectric flat plates each have a thickness t2 that is different from the thickness t1, and an unloaded Qu2 that corresponds to the resonance frequency f2; and calculating a specific conductivity ?r of the copper foil and the first and second conductor flat plates based on an arithmetic equation that includes the resonance frequency the unloaded Qu1, the resonance frequency f2, and the unloaded Qu2.Type: ApplicationFiled: April 16, 2020Publication date: October 29, 2020Applicant: FUJITSU LIMITEDInventors: Kazuki TAKAHASHI, AKIKO MATSUI, Kohei Choraku, Mitsunori Abe, Tetsuro Yamada, Yoshio Kobayashi, Sotaro Kobayashi
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Publication number: 20200329551Abstract: A heat sink fixing member includes a frame that is provided above a board of a unit and surrounds a first electronic component and a first heat sink; and a blade in which both end parts are connected to the frame, a portion between the both end parts is erected in a gap in a first fin group, and a side closer to the board in the portion abuts on a first base plate, wherein the unit includes: the board; the first electronic component mounted on the board; and the first heat sink that is provided on the first electronic component, and has the first base plate and the first fin group that protrudes from the first base plate.Type: ApplicationFiled: April 1, 2020Publication date: October 15, 2020Applicant: FUJITSU LIMITEDInventors: Tsuyoshi Yamamoto, Masumi SUZUKI, Tetsuro Yamada, Yasushi Masuda, JIE WEI
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Publication number: 20200303849Abstract: An electronic component includes: a first terminal that is inserted into a first through hole in a substrate; and a second terminal that is inserted into a second through hole in the substrate, wherein a length of the first terminal from a first end that is inserted into the first through hole to a second end is longer than a length of the second terminal from a third end that is inserted into the second through hole to a fourth end, and a cross sectional area of a portion of the first terminal positioned on a side of the second end with respect to a first joined portion is larger than a cross sectional area of a portion of the second terminal positioned on a side of the fourth end with respect to a second joined portion.Type: ApplicationFiled: June 8, 2020Publication date: September 24, 2020Applicant: FUJITSU LIMITEDInventors: Takahide Mukoyama, Tetsuro Yamada, Mitsuhiko Sugane, YOSHIYUKI HIROSHIMA, Kohei Choraku, Kazuki TAKAHASHI, AKIKO MATSUI, Shigeo Iriguchi
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Publication number: 20200270285Abstract: To provide an organic silicon compound having an average structural formula (1). (Z represents a 2 to 20-valent group containing an organosiloxane structure, each R1 independently represents an alkyl group or an aryl group, each R2 independently represents an alkyl group or an aryl group, each R3 independently represents a hydrogen atom, an alkyl group, an alkoxy group, or an O. (oxy radical), each R4 independently represents a hydrogen atom or an alkyl group, each A1 independently represents a single bond or an alkylene group free of a hetero atom, each A2 independently represents a single bond or a divalent linking group containing a hetero atom, m is a number of 1 to 3, p is a number of 1 to 10, q is a number of 1 to 10, and p+q represents a number satisfying from 2 to 20 corresponding to the valency number of Z.Type: ApplicationFiled: February 6, 2020Publication date: August 27, 2020Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Tetsuro YAMADA, Munenao HIROKAMI
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Patent number: 10714849Abstract: An electronic component includes: a first terminal that is inserted into a first through hole in a substrate; and a second terminal that is inserted into a second through hole in the substrate, wherein a length of the first terminal from a first end that is inserted into the first through hole to a second end is longer than a length of the second terminal from a third end that is inserted into the second through hole to a fourth end, and a cross sectional area of a portion of the first terminal positioned on a side of the second end with respect to a first joined portion is larger than a cross sectional area of a portion of the second terminal positioned on a side of the fourth end with respect to a second joined portion.Type: GrantFiled: February 1, 2019Date of Patent: July 14, 2020Assignee: FUJITSU LIMITEDInventors: Takahide Mukoyama, Tetsuro Yamada, Mitsuhiko Sugane, Yoshiyuki Hiroshima, Kohei Choraku, Kazuki Takahashi, Akiko Matsui, Shigeo Iriguchi
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Publication number: 20200150365Abstract: An optical module includes: a substrate in which a conductor is disposed in an inner layer and a part of the conductor is exposed at an end surface; and an optical element bonded to the part of the conductor exposed at the end surface of the substrate.Type: ApplicationFiled: November 8, 2019Publication date: May 14, 2020Applicant: FUJITSU LIMITEDInventors: Tetsuro Yamada, Yasushi Masuda, NAOKI ISHIKAWA, Shuichi Takeuchi
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Publication number: 20200056075Abstract: Provided are: a removable radiation-curable silicone composition which has excellent radiation curability and gives cured objects having excellent adhesiveness to the substrates; and a release sheet. The removable radiation-curable silicone composition comprises the following components (A), (B), (C), and (D): (A) 100 parts by mass of an organopolysiloxane having an alkenyl group; (B) 1-30 parts by mass of an organopolysiloxane having a mercaptoalkyl group; (C) 0.1-5 parts by mass of a compound having a plurality of acryl groups in the molecule; and (D) 0.1-15 parts by mass of a radical polymerization initiator.Type: ApplicationFiled: April 3, 2018Publication date: February 20, 2020Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Kenji TANAKA, Shunji AOKI, Munenao HIROKAMI, Tetsuro YAMADA
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Publication number: 20200032103Abstract: The present invention pertains to a room-temperature-curable organopolysiloxane composition containing (A) an organopolysiloxane having the hydrolyzable silyl-group-containing monovalent organic group represented by formula (1) (R1 represents a substituted or unsubstituted C1-10 alkyl group or a substituted or unsubstituted C6-10 aryl group, R2 represents a substituted or unsubstituted C1-10 alkyl group or a substituted or unsubstituted C6-10 aryl group, and R3 represents a substituted or unsubstituted C1-20 alkyl group or a hydrogen atom; M is an integer from 1 to 3, and n is an integer of 2 or more; and the broken line represents atomic bonding), (B) a hydrolyzable organosilane compound and/or a partially hydrolyzed condensate thereof, (C) a curing catalyst, and (F) a bleed oil.Type: ApplicationFiled: March 20, 2018Publication date: January 30, 2020Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Akitsugu FUJIWARA, Tetsuro YAMADA, Munenao HIROKAMI
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Publication number: 20190375769Abstract: Provided is an organosilicon compound characterized by containing at least one group represented by structural formula (1) in one molecule and having a main chain comprising a silicon-containing organic group. This organosilicon compound exhibits satisfactorily fast curability, and excellent yellowing resistance, heat resistance, storage stability, and safety. (In the formula, each R1 independently represents an unsubstituted or substituted C1-10 alkyl group, or an unsubstituted or substituted C6-10 aryl group, each R2 independently represents an unsubstituted or substituted C1-10 alkyl group, or an unsubstituted or substituted C6-10 aryl group, and each R3 independently represents a hydrogen atom or an unsubstituted or substituted C1-10 alkyl group. m is a number from 1-3, and n is an integer of 2 or greater. A dashed line represents a bond.Type: ApplicationFiled: May 16, 2017Publication date: December 12, 2019Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Tetsuro YAMADA, Munenao HIROKAMI, Taiki KATAYAMA
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Patent number: 10492291Abstract: A wiring board manufacturing method includes forming a conductor pattern within a waste board section of a wiring board including a product section and the waste board section, the conductor pattern in which a plurality of polygonal lands made of a conductor are arranged along a first direction and a second direction crossing the first direction, each of the plurality of polygonal lands making contact with an adjacent one of the plurality of polygonal lands at each apex of the plurality of polygonal lands; and selectively removing the conductor at the apex of at least part of the plurality of polygonal lands.Type: GrantFiled: March 22, 2017Date of Patent: November 26, 2019Assignee: FUJITSU LIMITEDInventors: Yoshiyuki Hiroshima, Akiko Matsui, Mitsuhiko Sugane, Takahide Mukoyama, Tetsuro Yamada, Kohei Choraku
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Patent number: 10479880Abstract: Provided are a rubber composition for tires which achieves both abrasion resistance and processability while maintaining fuel economy, and a pneumatic tire including the rubber composition. A rubber composition for tires, containing an organosilicon compound represented by the average compositional formula (I) below having a ratio of the number of sulfur atoms to the number of silicon atoms of 1.0 to 1.5, wherein x represents the average number of sulfur atoms; m represents an integer of 6 to 12; and R1 to R6 are the same or different and each represent a C1-C6 alkyl or alkoxy group, at least one of R1 to R3 and at least one of R4 to R6 are the alkoxy groups, and two or more of the alkyl or alkoxy groups for R1 to R6 may be joined to form a ring.Type: GrantFiled: September 21, 2017Date of Patent: November 19, 2019Assignees: SUMITOMO RUBBER INDUSTRIES, LTD., SHIN-ETSU CHEMICAL CO., LTD.Inventors: Ryuichi Tokimune, Tsuyoshi Tsuchida, Ryota Kitago, Soh Ishino, Hiroyuki Kishimoto, Munenao Hirokami, Tetsuro Yamada
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Publication number: 20190324207Abstract: An optical waveguide substrate includes a substrate that includes a recess, a buffer layer disposed on a bottom surface and a wall surface of the recess, and an optical waveguide disposed inside the recess with the buffer layer interposed therebetween and having a cladding layer disposed on the buffer layer and a core layer disposed inside the cladding layer.Type: ApplicationFiled: April 9, 2019Publication date: October 24, 2019Applicant: FUJITSU LIMITEDInventors: Kohei Choraku, AKIKO MATSUI, YOSHIYUKI HIROSHIMA, Kazuki TAKAHASHI, Tetsuro Yamada
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Publication number: 20190245284Abstract: An electronic component includes: a first terminal that is inserted into a first through hole in a substrate; and a second terminal that is inserted into a second through hole in the substrate, wherein a length of the first terminal from a first end that is inserted into the first through hole to a second end is longer than a length of the second terminal from a third end that is inserted into the second through hole to a fourth end, and a cross sectional area of a portion of the first terminal positioned on a side of the second end with respect to a first joined portion is larger than a cross sectional area of a portion of the second terminal positioned on a side of the fourth end with respect to a second joined portion.Type: ApplicationFiled: February 1, 2019Publication date: August 8, 2019Applicant: FUJITSU LIMITEDInventors: Takahide Mukoyama, Tetsuro Yamada, Mitsuhiko Sugane, YOSHIYUKI HIROSHIMA, Kohei Choraku, Kazuki TAKAHASHI, AKIKO MATSUI, Shigeo Iriguchi
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Patent number: 10353158Abstract: A light emitting element bonded board includes an optical waveguide formed within a board, a hollowed portion in the board, a light emitting element installed in the hollowed portion, and a conductive portion formed in an upper layer and/or a lower layer of the optical waveguide, wherein an optical axis of the light emitting element coincides with a center line of the optical waveguide, and a bonding portion of the light emitting element is bonded to the conductive portion.Type: GrantFiled: November 15, 2017Date of Patent: July 16, 2019Assignee: FUJITSU LIMITEDInventors: Yoshiyuki Hiroshima, Akiko Matsui, Mitsuhiko Sugane, Takahide Mukoyama, Tetsuro Yamada, Kohei Choraku