Patents by Inventor Hideki Fukumoto
Hideki Fukumoto 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: 11971633Abstract: An electrode structure includes: a plurality of pixel electrodes arranged separately from each other; and a plurality of dielectric layers laminated in a first direction with respect to the plurality of pixel electrodes, in which the plurality of dielectric layers includes: a first dielectric layer that spreads over the plurality of pixel electrodes in a direction intersecting with the first direction; and a second dielectric layer that includes dielectric material having a refractive index higher than that of the first dielectric layer, sandwiches the first dielectric layer together with the plurality of pixel electrodes, and has a slit at a position overlapping space between pixel electrodes adjacent when viewed from the first direction.Type: GrantFiled: May 15, 2020Date of Patent: April 30, 2024Assignees: SONY SEMICONDUCTOR SOLUTIONS CORPORATION, SONY GROUP CORPORATIONInventors: Takashi Sakairi, Tomoaki Honda, Tsuyoshi Okazaki, Keiichi Maeda, Chiho Araki, Katsunori Dai, Shunsuke Narui, Kunihiko Hikichi, Kouta Fukumoto, Toshiaki Okada, Takuma Matsuno, Yuu Kawaguchi, Yuuji Adachi, Koichi Amari, Hideki Kawaguchi, Seiya Haraguchi, Takayoshi Masaki, Takuya Fujino, Tadayuki Dofuku, Yosuke Takita, Kazuhiro Tamura, Atsushi Tanaka
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Patent number: 11482441Abstract: A method for manufacturing a semiconductor device includes at least the following three steps: (A) A step of preparing a structure including a semiconductor wafer having a circuit-formed surface and an adhesive film attached to the circuit-formed surface side of the semiconductor wafer; (B) A step of back grinding a surface on a side opposite to the circuit-formed surface side of the semiconductor wafer; and (C) A step of radiating ultraviolet rays to the adhesive film and then removing the adhesive film from the semiconductor wafer. The adhesive film includes a base material layer and an ultraviolet-curable adhesive resin layer provided on one surface side thereof. The adhesive resin layer includes an ultraviolet-curable adhesive resin, and a saturated electrostatic potential V1 of a surface of the adhesive resin layer after ultraviolet curing, which is measured using a specific method, is equal to or less than 2.0 kV.Type: GrantFiled: March 21, 2017Date of Patent: October 25, 2022Assignee: MITSUI CHEMICALS TOHCELLO, INC.Inventors: Hiroyoshi Kurihara, Hideki Fukumoto
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Publication number: 20190088528Abstract: A method for manufacturing a semiconductor device includes at least the following three steps: (A) A step of preparing a structure including a semiconductor wafer having a circuit-formed surface and an adhesive film attached to the circuit-formed surface side of the semiconductor wafer; (B) A step of back grinding a surface on a side opposite to the circuit-formed surface side of the semiconductor wafer; and (C) A step of radiating ultraviolet rays to the adhesive film and then removing the adhesive film from the semiconductor wafer. The adhesive film includes a base material layer and an ultraviolet-curable adhesive resin layer provided on one surface side thereof. The adhesive resin layer includes an ultraviolet-curable adhesive resin, and a saturated electrostatic potential V1 of a surface of the adhesive resin layer after ultraviolet curing, which is measured using a specific method, is equal to or less than 2.0 kV.Type: ApplicationFiled: March 21, 2017Publication date: March 21, 2019Applicant: MITSUI CHEMICALS TOHCELLO, INC.Inventors: Hiroyoshi KURIHARA, Hideki FUKUMOTO
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Patent number: 10150489Abstract: A tubular elastic linkage device for axle beam for elastically linking a truck frame and an axle beam including: an inner axial member; two outer segments opposed in axis-perpendicular direction peripherally outside the inner axial member for attachment to a housing part on an axle-beam side; and a main rubber elastic body elastically connecting them. A pocket part opens in an outer peripheral face of the main rubber elastic body onto outside via a window penetrating one outer segment. A stopper supported by the inner axial member is disposed in the pocket part to face the housing part distantly via the window. Contact of the stopper with the housing part constitutes a displacement limitation mechanism between the inner axial member and the outer segments. The other outer segment has an aperture having the main rubber elastic body exposed outside via it.Type: GrantFiled: August 29, 2017Date of Patent: December 11, 2018Assignees: SUMITOMO RIKO COMPANY LIMITED, KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Shigehiro Otsubo, Yusuke Ito, Hideki Fukumoto, Yoshinori Mitsuze, Hiroyuki Fujii, Jun Shirasaki
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Patent number: 9966297Abstract: According to the present invention, there is provided a semiconductor wafer protective film including a substrate layer (A) and an adhesive layer (C) formed on the substrate layer (A), in which the substrate layer (A) includes polymer, and a solubility parameter of the polymer determined by a Van Krevelen method is equal to or greater than 9.Type: GrantFiled: May 22, 2014Date of Patent: May 8, 2018Assignee: MITSUI CHEMICALS TOHCELLO, INC.Inventors: Akimitsu Morimoto, Makoto Kataoka, Hideki Fukumoto
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Publication number: 20170355387Abstract: A tubular elastic linkage device for axle beam for elastically linking a truck frame and an axle beam including: an inner axial member; two outer segments opposed in axis-perpendicular direction peripherally outside the inner axial member for attachment to a housing part on an axle-beam side; and a main rubber elastic body elastically connecting them. A pocket part opens in an outer peripheral face of the main rubber elastic body onto outside via a window penetrating one outer segment. A stopper supported by the inner axial member is disposed in the pocket part to face the housing part distantly via the window. Contact of the stopper with the housing part constitutes a displacement limitation mechanism between the inner axial member and the outer segments. The other outer segment has an aperture having the main rubber elastic body exposed outside via it.Type: ApplicationFiled: August 29, 2017Publication date: December 14, 2017Applicants: Sumitomo Riko Company Limited, KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Shigehiro OTSUBO, Yusuke ITO, Hideki FUKUMOTO, Yoshinori MITSUZE, Hiroyuki FUJII, Jun SHIRASAKI
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Patent number: 9583925Abstract: A gasket for an electrical junction box of a railcar is fitted in a groove portion formed on a contact surface of a side wall portion or a contact surface of a cover in the electrical junction box including: a box main body having the side wall portion defining an opening communicating with an outer space; and the cover closing the opening. Further, the gasket for the electrical junction box of the railcar includes: small width portions, a width of each of the small width portions being smaller than a width of the groove portion; and large width portions each having projections projecting toward both respective sides of the small width portion in a width direction and having a larger width than the width of the small width portions. The small width portions and the large width portions are alternately provided.Type: GrantFiled: December 7, 2015Date of Patent: February 28, 2017Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Masahiro Hamada, Hideki Fukumoto, Teruaki Mizukawa, Masahiro Sakahira, Tomohiro Narita
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Publication number: 20160197462Abstract: A gasket for an electrical junction box of a railcar is fitted in a groove portion formed on a contact surface of a side wall portion or a contact surface of a cover in the electrical junction box including: a box main body having the side wall portion defining an opening communicating with an outer space; and the cover closing the opening. Further, the gasket for the electrical junction box of the railcar includes: small width portions, a width of each of the small width portions being smaller than a width of the groove portion; and large width portions each having projections projecting toward both respective sides of the small width portion in a width direction and having a larger width than the width of the small width portions. The small width portions and the large width portions are alternately provided.Type: ApplicationFiled: December 7, 2015Publication date: July 7, 2016Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHAInventors: Masahiro HAMADA, Hideki FUKUMOTO, Teruaki MIZUKAWA, Masahiro SAKAHIRA, Tomohiro NARITA
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Publication number: 20160133500Abstract: According to the present invention, there is provided a semiconductor wafer protective film including a substrate layer (A) and an adhesive layer (C) formed on the substrate layer (A), in which the substrate layer (A) includes polymer, and a solubility parameter of the polymer determined by a Van Krevelen method is equal to or greater than 9.Type: ApplicationFiled: May 22, 2014Publication date: May 12, 2016Applicant: MITSUI CHEMICALS TOHCELLO, INC.Inventors: Akimitsu MORIMOTO, Makoto KATAOKA, Hideki FUKUMOTO
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Patent number: 8893625Abstract: The present invention provides a rubber stopper that can set a shape suitable for mounting and set a desired stopper characteristic. Specifically, a holding fitting 3 fastened to one member by means of bolting is provided. A rubber section 4 that abuts against the other member is held by the holding fitting 3. The holding fitting 3 has a partition wall 8 to divide between a peripheral edge of a bolt hole 7 and a holding section 9 that holds the rubber section 4. A rubber side abutment surface 12 in the rubber section 4 protrudes from a top of the partition wall 8. A bored section 13 is formed near the partition wall 8 of the rubber section 4. The bored section 13 increases durability of the rubber section 4. A size of the rubber stopper 1 is reduced.Type: GrantFiled: August 18, 2011Date of Patent: November 25, 2014Assignees: Toyo Tire & Rubber Co., Ltd., Kawasaki Heavy Industries, Ltd.Inventors: Kazuma Higashi, Hideki Fukumoto, Masahiro Hamada, Masahiro Sakahira
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Patent number: 7501312Abstract: A protecting method for a semiconductor wafer in a step of processing a semiconductor wafer which involves a first step of adhering an adhesive film for protection of a semiconductor wafer in which an adhesive layer is formed on one surface of a base film to a circuit-formed surface of the semiconductor wafer, a second step of heating the semiconductor wafer to which the adhesive film for protection of the semiconductor wafer is adhered, a third step of processing a non-circuit-formed surface of the semiconductor wafer by fixing the semiconductor wafer to which the adhesive film for protection of the semiconductor wafer is adhered on a grinding machine or an abrasive machine, and a fourth step of peeling the adhesive film for protection of the semiconductor wafer from the semiconductor wafer. The method addresses warpage problems and can prevent breakage of wafers during conveyance even if the thickness of a wafer is reduced to approximately 150 ?m or less.Type: GrantFiled: January 27, 2005Date of Patent: March 10, 2009Assignee: Mitsui Chemicals, Inc.Inventors: Takanobu Koshimizu, Makoto Kataoka, Masafumi Miyakawa, Hideki Fukumoto, Yoshihisa Saimoto
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Publication number: 20050164509Abstract: The present invention is to provide a protecting method for a semiconductor wafer and an adhesive film for protection of a semiconductor wafer which makes it possible to straighten or avoid warpage in a semiconductor wafer and to prevent breakage of wafers during conveyance of wafers even if the thickness of a semiconductor wafer is thinned to approximately 150 ?m or less.Type: ApplicationFiled: January 27, 2005Publication date: July 28, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Takanobu Koshimizu, Makoto Kataoka, Masafumi Miyakawa, Hideki Fukumoto, Yoshihisa Saimoto
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Patent number: 6879026Abstract: An adhesive film for protecting the surface of a semiconductor wafer wherein the adhesive layer is formed on one surface of a substrate film, the substrate film comprising at least one layer which satisfies the following requisites (A) and at least one of (B) or (C): requisite (A): high elastic modulus properties in which the storage modulus is 1×109 Pa to 1×1010 Pa under the total temperature range of from 18 to 50° C. requisite (B): high elastic modulus properties in which the storage modulus within at least part of the temperature range of from 50 to 90° C. is not more than 1×108 Pa. requisite (C): high elastic modulus properties with expansibility by water absorption in which the size-changing ratio by absorbing water for four hours is 0.05 to 0.5% at 23° C. and 90% RH.Type: GrantFiled: January 10, 2003Date of Patent: April 12, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Hideki Fukumoto, Takanobu Koshimizu, Makoto Kataoka, Yoshihisa Saimoto
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Patent number: 6730595Abstract: This invention aims to provide a protecting method for a semiconductor wafer which can prevent breakage of a semiconductor wafer even when a semiconductor wafer is thinned to a thickness of 200 &mgr;m or less, and a surface protecting adhesive film for a semiconductor wafer used in the protecting method.Type: GrantFiled: December 6, 2001Date of Patent: May 4, 2004Assignee: Mitsui Chemicals, Inc.Inventors: Yoshihisa Saimoto, Yasuhisa Fujii, Makoto Kataoka, Kentaro Hirai, Hideki Fukumoto, Takanobu Koshimizu
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Publication number: 20030219960Abstract: An adhesive film for protecting the surface of a semiconductor wafer wherein the adhesive layer is formed on one surface of a substrate film, the substrate film comprising at least one layer which satisfies the following requisites (A) and at least one of (B) or (C):Type: ApplicationFiled: January 10, 2003Publication date: November 27, 2003Applicant: Mitsui Chemicals, Inc.Inventors: Hideki Fukumoto, Takanobu Koshimizu, Makoto Kataoka, Yoshihisa Saimoto
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Publication number: 20020106868Abstract: This invention aims to provide a protecting method for a semiconductor wafer which can prevent breakage of a semiconductor wafer even when a semiconductor wafer is thinned to a thickness of 200 &mgr;m or less, and a surface protecting adhesive film for a semiconductor wafer used in the protecting method.Type: ApplicationFiled: December 6, 2001Publication date: August 8, 2002Inventors: Yoshihisa Saimoto, Yasuhisa Fujii, Makoto Kataoka, Kentaro Hirai, Hideki Fukumoto, Takanobu Koshimizu
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Patent number: 6273791Abstract: A method of producing a semiconductor wafer, which can prevent the breakage of a wafer, and also can reduce the working time in a series of operations attended by back surface grinding of the semiconductor wafer. The method involves producing a semiconductor wafer wherein an adhesive tape is applied on the surface of the semiconductor wafer and, after grinding the back surface of the semiconductor wafer using a grinding machine, the adhesive tape is peeled off, said process comprises using an adhesive tape having heat shrinkability as the adhesive tape, grinding the back surface of the semiconductor wafer and heating the adhesive tape in the grinding machine, thereby peeling off the adhesive tape from the surface of the semiconductor wafer.Type: GrantFiled: June 14, 1999Date of Patent: August 14, 2001Assignee: Mitsui Chemicals, Inc.Inventors: Makoto Kataoka, Yasuhisa Fujii, Kentaro Hirai, Hideki Fukumoto
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Patent number: 6159827Abstract: An object of the invention is to provide a preparation process of a semiconductor wafer, in which breakage of the wafer on grinding the back surface of the wafer and on peeling the adhesive tape is prevented, and the operation time can be reduced. The preparation process of a semiconductor wafer comprises the steps of: adhering an adhesive tape on a front surface of a semiconductor wafer; grinding a back surface of the semiconductor wafer by a grinding machine; peeling the adhesive tape; and cleaning the front surface of the semiconductor wafer, wherein an adhesive tape having heat shrinkability is used as the adhesive tape, and after grinding the back surface of the semiconductor wafer, warm water at a temperature of from 50 to 99.degree. C. is poured to peel the adhesive tape in a wafer cleaning machine, and the front surface of the semiconductor wafer is cleaned in the wafer cleaning machine.Type: GrantFiled: April 5, 1999Date of Patent: December 12, 2000Assignee: Mitsui Chemicals, Inc.Inventors: Makoto Kataoka, Yasuhisa Fujii, Kentaro Hirai, Hideki Fukumoto, Masatoshi Kumagai