Patents by Inventor Hidekazu Matsuda
Hidekazu Matsuda 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: 11945414Abstract: A vehicle windshield wiper blade comprising: a blade support portion; and a lip portion, wherein the lip portion has a tapered portion having a cross section that is taken along a direction perpendicular to the longitudinal direction of the wiper blade and that has a width that gradually decreases from a side closer to the blade support portion towards a direction farthest away from the blade support portion, the lip portion has a tip surface and first and second tapered surfaces constituting the tapered portion, and, in a specific observation region of the first and second tapered surfaces, the average value of the elastic modulus measured at a 0.1 ?m pitch is 15-470 MPa and the coefficient of variation of the elastic modulus is at most 17.6%.Type: GrantFiled: January 24, 2023Date of Patent: April 2, 2024Assignee: Canon Kabushiki KaishaInventors: Takehiko Aoyama, Masanori Yokoyama, Syoji Inoue, Arihiro Yamamoto, Hidekazu Matsuda, Shota Segawa
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ELECTROPHOTOGRAPHY CLEANING BLADE, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC IMAGE FORMATION DEVICE
Publication number: 20230259062Abstract: An electrophotographic cleaning blade comprising: an elastic member containing polyurethane; and a support member supporting the elastic member, and cleaning a surface of a member to be cleaned in motion, by contact of part of the elastic member against the surface of the member to be cleaned, wherein the elastic member has, at least on the tip side, a plate shape having a main surface facing the member to be cleaned and a leading end surface that forms a tip side edge together with the main surface, and a coefficient of variation of area ratios of white regions in each of sections of a binarized image created from grayscale phase image obtained from the leading end surface, is 20.00 or less, and a value of HM1-HM2 is larger than 0.10 N/mm2.Type: ApplicationFiled: April 25, 2023Publication date: August 17, 2023Inventors: HIDEKAZU MATSUDA, ARIHIRO YAMAMOTO, TOSHIROU UCHIDA, KENYA TERADA -
Patent number: 11715906Abstract: A connector 10 includes a board-side housing 21 to be installed on a circuit board 100, and mating housings 61A, 61B to be connected to the board-side housing 21. The board-side housing 21 includes front and back walls 26, 27, left and right walls 28, 29 and accommodation chambers 32A, 32B arranged between the front and back walls 26, 27 and between the left and right walls 28, 29 and open upward. The mating housings 61A, 61B include protruding portions 78 exposed above the board-side housing 21 and protruding toward both front and back sides beyond the front and back walls 26, 27 with the mating housings 61A, 61B accommodated in the accommodation chambers 32A, 32B.Type: GrantFiled: August 12, 2021Date of Patent: August 1, 2023Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventor: Hidekazu Matsuda
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Patent number: 11715901Abstract: A board connector A includes a housing 10 to be mounted on a circuit board P, and first and second terminal fittings 21, 31 mounted in the housing. The first and second terminal fittings 21, 31 include first and second board connecting portions 22, 32 projecting from a facing surface 15 of the housing 10 facing the circuit board P and to be surface-mounted on the circuit board P. The first and second board connecting portions 22, 32 extend in a direction intersecting a facing direction of the circuit board P and the facing surface 15. A jig accommodating portion 16 recessed from a region of the facing surface 15 not facing the first and second board connecting portions 22, 32 is formed in a region of the facing surface 15 facing the first and second board connecting portions 22, 32.Type: GrantFiled: August 12, 2021Date of Patent: August 1, 2023Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventor: Hidekazu Matsuda
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Publication number: 20230157493Abstract: A wiper blade comprising: a hand grip portion; and an elastic portion supported by the hand grip portion and that is pressed against a surface to be cleaned; the elastic portion having, on a tip side, a main surface opposing a member to be cleaned, and a tip surface that forms a tip side edge together with the main surface, and in a specific observation region of the tip surface and the main surface, the average value of elastic modulus values obtained through measurement at a 0.1 ?m pitch being 15 MPa to 470 MPa, and the coefficient of variation of the elastic modulus being 17.6% or less.Type: ApplicationFiled: January 24, 2023Publication date: May 25, 2023Inventors: TAKEHIKO AOYAMA, HIDEKAZU MATSUDA, SYOJI INOUE, ARIHIRO YAMAMOTO, MASANORI YOKOYAMA, SHOTA SEGAWA
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Publication number: 20230157492Abstract: A cleaning wiper blade comprises a hand grip part and an elastic part. The elastic part comprises a polyurethane. The polyurethane comprises a reactant of a composition including an isocyanate compound which includes diisocyanate and polyfunctional isocyanate, and an alcohol which includes polyfunctional alcohol. The diisocyanate has an aromatic ring in a molecule. When a molecule of the polyurethane is ionized with a mass spectrometer of a direct sample injection system, then obtained M1, M2 and M3 satisfy the is 0.013 to 0.300, and a concentration of the polyfunctional alcohol in the polyurethane is 0.12 mmol/g to 0.65 mmol/g.Type: ApplicationFiled: January 24, 2023Publication date: May 25, 2023Inventors: SHOTA SEGAWA, TAKEHIKO AOYAMA, MASANORI YOKOYAMA, HIDEKAZU MATSUDA, SYOJI INOUE, ARIHIRO YAMAMOTO
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Publication number: 20230159001Abstract: A vehicle windshield wiper blade comprising: a blade support portion; and a lip portion, wherein the lip portion has a tapered portion having a cross section that is taken along a direction perpendicular to the longitudinal direction of the wiper blade and that has a width that gradually decreases from a side closer to the blade support portion towards a direction farthest away from the blade support portion, the lip portion has a tip surface and first and second tapered surfaces constituting the tapered portion, and, in a specific observation region of the first and second tapered surfaces, the average value of the elastic modulus measured at a 0.1 ?m pitch is 15-470 MPa and the coefficient of variation of the elastic modulus is at most 17.6%.Type: ApplicationFiled: January 24, 2023Publication date: May 25, 2023Inventors: TAKEHIKO AOYAMA, MASANORI YOKOYAMA, SYOJI INOUE, ARIHIRO YAMAMOTO, HIDEKAZU MATSUDA, SHOTA SEGAWA
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Publication number: 20230159692Abstract: A vehicle wiper blade comprises a blade support part and a lip part coupled swingably with the blade support part via a neck. The lip part comprises polyurethane. The polyurethane comprises a reactant of a composition including an isocyanate compound which includes diisocyanate and tri- or higher functional polyfunctional isocyanate, and an alcohol which includes tri- or higher functional polyfunctional alcohol. The diisocyanate has an aromatic ring in a molecule. When a molecule of the polyurethane is ionized with a mass spectrometer of a direct sample injection system, then obtained M1, M2 and M3 satisfy the following relation: M2/M1 is 0.001 to 0.028, M3/M1 is 0.020 to 0.110, and M2/M3 is 0.013 to 0.300, and a concentration of the polyfunctional alcohol in the polyurethane is 0.12 mmol/g to 0.65 mmol/g.Type: ApplicationFiled: January 24, 2023Publication date: May 25, 2023Inventors: SHOTA SEGAWA, TAKEHIKO AOYAMA, MASANORI YOKOYAMA, HIDEKAZU MATSUDA, SYOJI INOUE, ARIHIRO YAMAMOTO, YOUHEI IKEDA
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Patent number: 11646521Abstract: A connector includes a housing including a terminal accommodation chamber, a terminal fitting including a locking hole and to be inserted into the terminal accommodation chamber from behind the housing, and a locking lance for retaining the terminal fitting inserted into the terminal accommodation chamber. The locking lance is cantilevered forward and includes a body portion resiliently displaceable in a direction intersecting an insertion direction of the terminal fitting and a projection projecting from the body portion toward the terminal fitting and configured to enter the locking hole when the terminal fitting is inserted into the terminal accommodation chamber. A width of the projection is smaller than that of the locking hole. A maximum width of the body portion is larger than the width of the projection. A part of the body portion connected to the projection is formed with a guiding portion gradually reduced in width toward the projection.Type: GrantFiled: August 12, 2021Date of Patent: May 9, 2023Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Takuma Yonezu, Hidekazu Matsuda
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Publication number: 20230059178Abstract: A terminal 1 is made of a rectangular wire material, extends in a front-rear direction and is provided with a terminal body 2, a pair of first projections 3 provided to project toward both left and right sides from both side surfaces 2A of the terminal body 22, and a pair of second projections 4 provided to project toward both left and right sides from the both side surfaces 2. A of the terminal body 2 and disposed behind the pair of first projections 3. The pair of second projections 4 are continuously and integrally formed with the pair of first projections 3. A maximum projecting dimension X2max of the second projection 4 from the side surface 2A of the terminal body 2 is larger than a maximum projecting dimension X1max of the first projection 3 from the side surface 2A of the terminal body 2.Type: ApplicationFiled: January 12, 2021Publication date: February 23, 2023Inventors: Yuichi NAKANISHI, Hidekazu MATSUDA, Hiroto SAKAI
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Publication number: 20230033981Abstract: A connector 10 is provided with an inner conductor 13 to be connected to a wire 18, a dielectric 14 for accommodating the inner conductor 13, and an electrically conductive impedance adjusting member 12 to be mounted on the wire. The inner conductor 13 includes a base portion 33 and an insulation barrel piece 35 rising from the base portion 33 and to be crimped to a coating 23 of the wire 18. The insulation barrel piece 35 includes an inclined portion 39 inclined toward the impedance adjusting member 12 with distance from the base portion 33 on an end edge on a side facing the impedance adjusting member 12.Type: ApplicationFiled: July 19, 2022Publication date: February 2, 2023Inventors: Hidekazu MATSUDA, Kazuki HIRAMATSU, Taiga KADOYAMA, Maika IDO, Masanao YAMASHITA
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Publication number: 20230034078Abstract: A shield connector is provided with a dielectric 40 including a plurality of accommodation chambers 44 defined in a width direction by a separation wall portion 43, and a plurality of inner conductors 21 having a shape elongated in a front-rear direction and individually accommodated in parallel in the plurality of accommodation chambers 44. The separation wall portion 43 is formed with a front opening 53 and a rear opening 60 for interposing air layers between the accommodation chambers 44 adjacent via the separation wall portion 43.Type: ApplicationFiled: July 19, 2022Publication date: February 2, 2023Inventors: Hidekazu MATSUDA, Kazuki HIRAMATSU, Taiga KADOYAMA, Ai HIRANO, Masanao YAMASHITA
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Publication number: 20230035192Abstract: The first connector includes a first inner conductor, a first outer conductor, a first outer conductor cover and a first dielectric. The second connector includes a second inner conductor, a second outer conductor, a second outer conductor cover and a second dielectric. The second outer conductor includes a second outer conductor connecting portion overlapping the first outer conductor in a radial direction. The first outer conductor includes a first outer conductor body portion, a first outer conductor connecting portion for covering the outer periphery of the second outer conductor connecting portion and contacting the second outer conductor connecting portion, and a constricted portion reduced in dimensions from the first outer conductor connecting portion to the first outer conductor body portion. The first outer conductor cover and the second outer conductor cover have the same shape.Type: ApplicationFiled: July 19, 2022Publication date: February 2, 2023Inventors: Hidekazu MATSUDA, Kazuki HIRAMATSU, Taiga KADOYAMA, Masanao YAMASHITA
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Publication number: 20230033745Abstract: A connector 10 is provided with a terminal 11, a die-cast member 13 for surrounding an outer periphery of the terminal 11, a dielectric 12 to be arranged between the terminal 11 and the die-cast member 13, and a housing 14 into which the die-cast member 13 is mounted. The die-cast member 13 includes a locking protrusion 37, and the housing 14 includes a locking recess 49 recessed in a mounting direction of the die-cast member 13. The locking protrusion 37 is press-fit into the locking recess 49. A closing portion 53 shut off from outside is formed between a tip part of the locking protrusion 37 in the mounting direction and a back end part of the locking recess 49 in the mounting direction.Type: ApplicationFiled: July 19, 2022Publication date: February 2, 2023Inventors: Kazuki HIRAMATSU, Taiga KADOYAMA, Hidekazu MATSUDA, Toshikazu SUZUKI, Toshifumi ICHIO
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Publication number: 20230031237Abstract: A male connection surface of the male dielectric and a female connection surface of the female dielectric are facing each other and an elongated tab of the male inner conductor projects from the male connection surface and is inserted in the female inner conductor with the male connector and the female connector connected. A thin portion shaped by cutting an outer surface of the male dielectric and configured to surround a base end portion of the tab is formed on an end part of the male dielectric on the side of the male connection surface. The female outer conductor is formed with an impedance adjusting portion configured to proximately cover an outer surface of the thin portion.Type: ApplicationFiled: July 19, 2022Publication date: February 2, 2023Inventors: Hidekazu MATSUDA, Kazuki HIRAMATSU, Taiga KADOYAMA, Masanao YAMASHITA
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Publication number: 20230033546Abstract: A connector 10 is provided with an outer conductor 20, a plurality of dielectrics 19 to be accommodated into the outer conductor 20, inner conductors 18 to be mounted into the respective dielectrics 19, a shield member 25 to be arranged between the dielectrics 19 adjacent in the outer conductor 20, and a locking portion 26 for locking the shield member 25 to the dielectric 19.Type: ApplicationFiled: July 22, 2022Publication date: February 2, 2023Inventors: Kazuki HIRAMATSU, Taiga KADOYAMA, Hidekazu MATSUDA, Masanao YAMASHITA
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Publication number: 20230035860Abstract: A connector is provided with a first connector 10 and a second connector 11 connectable to each other. The first connector 10 includes a UTP module 15. The UTP module 15 includes UTP inner conductors 65 to be connected to wires of a UTP cable 12. The second connector 11 includes an electrically conductive shield member 21 for covering outer peripheries of the UTP inner conductors 65 with the first and second connectors 10, 11 connected.Type: ApplicationFiled: July 25, 2022Publication date: February 2, 2023Inventors: Takuma HIBINO, Hidekazu MATSUDA, Kazuhiro YOSHIDA
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Patent number: 11394143Abstract: A connector 10 disclosed by this specification is to be mounted on a circuit board having lands and includes a housing 12 to be connected to a mating housing, and a pair of pegs (board fixing portions) 16 to be respectively mounted into both side portions of the housing 12 and soldered and fixed to the lands. The pair of pegs 16 respectively have peg-side contact surfaces (fixing portion-side contact surfaces) 26S to be held in surface contact with a pair of housing-side contact surfaces 52S located on both side surfaces of the housing 12. The housing 12 includes a pair of first projections (projections) 64 projecting toward back surfaces 26B of the pair of pegs 16 on sides opposite to the peg-side contact surfaces 26S.Type: GrantFiled: August 21, 2019Date of Patent: July 19, 2022Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Hiroto Sakai, Yuichi Nakanishi, Hidekazu Matsuda
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Patent number: 11342694Abstract: A terminal (11) to be mounted into a housing (20) mounted on a circuit board (40) includes a terminal contact portion (12) to be disposed in a forwardly open receptacle (21) of the housing (20), an inserting portion (14) to be inserted into a terminal insertion hole (24) penetrating through a rear wall (22) of the receptacle (21) in a front-rear direction, and a board connecting portion (16) to be drawn out rearward from the terminal insertion hole (24) and connected to the circuit board (40). The inserting portion (14) includes a first press-fit portion (31) projecting in a first direction intersecting the circuit board (40) and to be press-fit to an inner wall of the terminal insertion hole (24) and a second press-fit portion (33) projecting in a second direction intersecting the first direction and to be press-fit to the inner wall of the terminal insertion hole (24).Type: GrantFiled: July 13, 2020Date of Patent: May 24, 2022Inventors: Hiroto Sakai, Hidekazu Matsuda, Yuichi Nakanishi
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Patent number: 11283205Abstract: A board connector (20) is provided with first terminals (30), second terminals (40) and a housing (21) including a wall (23) for holding the first and second terminals (30, 40). The first terminal 30 includes a first extending portion (35) extending out from the wall (23), and the second terminal 40 includes a second extending portion (45) extending out from the wall (23). The first extending portion (35) includes a first connecting portion (38) that can be soldered to a land (12A) of a board (11). The second extending portion (45) includes a second connecting portion (49) that can be soldered to a land (12B) of the board (11) at a position more distant from the wall (23) than the first connecting portion (38) and a bent portion (48) is bent to approach the first connecting portion (38) at a position not overlapping the first connecting portion (38).Type: GrantFiled: June 29, 2020Date of Patent: March 22, 2022Assignee: Sumitomo Wiring Systems, Ltd.Inventors: Hiroto Sakai, Hidekazu Matsuda, Yuichi Nakanishi