Patents by Inventor Masataka Matsumoto
Masataka Matsumoto 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: 20240113367Abstract: A method for producing a power storage device includes placing a lid assembly that includes a lid and a terminal member integrated therewith via a resin member to close an opening portion of a case body with the lid, and laser-welding the opening portion of the case body and the peripheral portion of the lid over an entire circumference. In placing the lid assembly, a peripheral high-level region, in which a peripheral outer surface of the peripheral portion of the lid is located on the outer side relative to an opening end surface of the opening portion of the case body is provided in proximate long-side opening portions, close of the opening portion and proximate long-side peripheral portions of the peripheral portion.Type: ApplicationFiled: September 7, 2023Publication date: April 4, 2024Inventors: Yuki SATO, Yozo UCHIDA, Tsuyoshi EHARA, Syoichi TSUCHIYA, Masataka ASAI, Tsuyoshi ASANO, Masahiro UCHIMURA, Shigeru MATSUMOTO, Yasuaki NAGANO
-
Publication number: 20240113366Abstract: A method for producing a power storage device includes forming a lid, forming a lid assembly, closing, and welding. In forming a lid, there is included forming, by forging, a protruding portion between a peripheral portion and an insertion-hole surrounding portion of the lid to block scattered light of a laser beam from being irradiated to a resin member, with a distance D from an end surface of the peripheral portion to a side surface of the protruding portion falling within 0.5t (D?0.5t) relative to a thickness t of the lid.Type: ApplicationFiled: September 7, 2023Publication date: April 4, 2024Inventors: Yuki SATO, Yozo UCHIDA, Tsuyoshi EHARA, Syoichi TSUCHIYA, Masataka ASAI, Tsuyoshi ASANO, Masahiro UCHIMURA, Shigeru MATSUMOTO, Yasuaki NAGANO
-
Publication number: 20240113368Abstract: A method for producing a power storage device includes closing an opening portion of a case body with a lid of a lid assembly, and laser-welding the opening portion of the case body and a peripheral portion of the lid over their entire circumference. A resin member has an outer surface including a scattered light-reached surface to which scattered light of a laser beam directly reaches, at least a part of the scattered light-reached surface including a smoothed region having a surface roughness of 0.6 ?m or less.Type: ApplicationFiled: September 11, 2023Publication date: April 4, 2024Inventors: Yuki SATO, Yozo UCHIDA, Tsuyoshi EHARA, Syoichi TSUCHIYA, Masataka ASAI, Tsuyoshi ASANO, Masahiro UCHIMURA, Shigeru MATSUMOTO, Yasuaki NAGANO
-
Publication number: 20240071734Abstract: There is provided a lower electrode mechanism for plasma processing, the lower electrode mechanism including: a base portion to which radio-frequency power is applied during the plasma processing; a dielectric portion disposed at an upper surface of the base portion; and an induction heating mechanism, in which the induction heating mechanism includes an induction heating element heated by an induction magnetic field, and a magnetic field generator that is disposed inside the base portion and generates the induction magnetic field.Type: ApplicationFiled: October 25, 2023Publication date: February 29, 2024Inventors: Naoki MATSUMOTO, Mitsunori OHATA, Masataka MASUYAMA, Naoki MIHARA
-
Patent number: 10947742Abstract: Provided are a recyclable synthetic resin tile to be laid contributing to establishment of a recycling-oriented society, and a method of manufacturing the same. A recyclable synthetic resin tile to be laid wherein a main constituent resin includes an olefinic thermoplastic resin and/or thermoplastic elastomer, and the tile includes a base part in which a decorative layer, two or more intermediate layers, and a balance layer are laminated in this order, and a layer of the intermediate layers includes an inorganic fiber layer, and the decorative layer and the balance layer are shaped to be concave-convex.Type: GrantFiled: February 20, 2017Date of Patent: March 16, 2021Assignees: Shinko Kasei Co., Ltd., Dongshin Polymer Co., Ltd.Inventors: Eitoku Yasuda, Masataka Matsumoto
-
Publication number: 20190024390Abstract: Provided are a recyclable synthetic resin tile to be laid contributing to establishment of a recycling-oriented society, and a method of manufacturing the same. A recyclable synthetic resin tile to be laid wherein a main constituent resin includes an olefinic thermoplastic resin and/or thermoplastic elastomer, and the tile includes a base part in which a decorative layer, two or more intermediate layers, and a balance layer are laminated in this order, and a layer of the intermediate layers includes an inorganic fiber layer, and the decorative layer and the balance layer are shaped to be concave-convex.Type: ApplicationFiled: February 20, 2017Publication date: January 24, 2019Inventors: Eitoku Yasuda, Masataka Matsumoto
-
Patent number: 4785982Abstract: A structure comprising a watch case; a pair of lugs each extending from the watch case and having an upper surface in a lower position than the upper surface of the watch case; a band; and a connector secured to the underside of the end portion of the band, the band being closely attached to the watch case by placing the end of the band on the upper surfaces of the lugs and tightening cone point screws into threaded holes provided near distal ends of the sides of the lugs so that the cone points of the screws hold firmly a pair of attachment openings provided in said connector against the watch case.Type: GrantFiled: February 5, 1987Date of Patent: November 22, 1988Assignee: Citizen Watch Co., Ltd.Inventors: Michihiro Iwamura, Eiichi Kitabayashi, Masataka Matsumoto, Toshio Murata, Tadao Enomoto, Junichi Nishikawa
-
Patent number: 4487513Abstract: A watch case structure including a plate member fixed on the inner periphery of the upper part of a caseband and provided with an opening; a bezel fixed along the rim of the opening in the plate member; and an upper glass fixed on the inner periphery of the upper part of said bezel. The plate member can be made from metal or glass and if made from glass, part of the display can be provided thereunder.Type: GrantFiled: January 24, 1983Date of Patent: December 11, 1984Assignee: Citizen Watch Co., Ltd.Inventor: Masataka Matsumoto
-
Patent number: 4479724Abstract: A water-resistant device for a watchcase of a diver's watch having a case body, a back and a glass. The device comprises an O-ring for sealing the watchcase, an annular leaf spring having an elasticity in the axial direction of the watchcase, and a bezel for the glass for compressing the leaf spring so as to urge the glass to the O-ring for maintaining watertightness of the watchcase. The O-ring and leaf spring are such that when the glass is moved by the difference between the pressure in the watchcase and atmospheric pressure, gases in the watchcase leak out through a gap formed by the movement of the glass.Type: GrantFiled: August 22, 1983Date of Patent: October 30, 1984Assignee: Citizen Watch Co., Ltd.Inventors: Masataka Matsumoto, Toshio Murata
-
Patent number: 4456388Abstract: A watch case structure comprising a watchglass member, a bezel member, a case band member and a back cover member interconnected to define said watch case structure. One of said members includes an inclined surface and a substantially vertical wall. An annular groove means is formed in another one of said members and includes an inclined surface. A synthetic resin gasket is disposed in said annular groove means of said another one of said members and includes an inclined guiding surface and an inclined engaging surface engaging with the inclined surface of said annular groove means.Type: GrantFiled: May 4, 1981Date of Patent: June 26, 1984Assignee: Citizen Watch Company LimitedInventor: Masataka Matsumoto
-
Patent number: 4430532Abstract: A pushbutton device comprises a pipe or tubular member for being affixed to a casing as of an electronic watch, a pushbutton body axially movably disposed in the pipe, resilient structure for returning the pushbutton body to an original position, structure for retaining the pushbutton body in the pipe, and a plurality of contacts selectively actuatable by the pushbutton body into and out of mutual electrical contact. Either the pushbutton body or the pipe has at least one step on its upper surface remote from the contacts to provide a plurality of stepped strokes of depressed movement of the pushbutton body with respect to the pipe for selective actuation of the contacts. The resilient structure may be a coil spring or a resilient leaf spring.Type: GrantFiled: March 12, 1982Date of Patent: February 7, 1984Assignee: Citizen Watch Co., Ltd.Inventor: Masataka Matsumoto
-
Patent number: 4397568Abstract: A timepiece push-button structure comprising a spring member composed of tongue portions interconnected by a connection portion, each tongue portion being bridge-shaped so that the central portion is raised while both end portions of the central portion abut against a pressure conductive rubber holder, each tongue portion further including a substantially centrally located arcuate notch and a bifurcation extending therefrom. A push-button having a groove is adapted to engage said notch, and a pressure conductive rubber is adapted for the application of pressure and disposed directly below the push-button.Type: GrantFiled: April 3, 1981Date of Patent: August 9, 1983Assignee: Citizen Watch Company LimitedInventors: Masahiko Waki, Hisao Yamagata, Toshio Murata, Fumio Takeuchi, Masataka Matsumoto
-
Patent number: 4391534Abstract: A structure for mounting a bezel in a watch case through a packing and for mounting a glass in the bezel through a packing. The watch case has an axially extending, inside engaging portion and an annular groove provided in a lower portion of the inside engaging portion, and the bezel has an inside annular groove. Each of the packings is adapted to be engaged with the corresponding annular groove.Type: GrantFiled: August 4, 1981Date of Patent: July 5, 1983Assignee: Citizen Watch Co., Ltd.Inventors: Osamu Matsumura, Masataka Matsumoto
-
Patent number: 4368369Abstract: A pushbutton switch has a plurality of pushbuttons and corresponding switch contacts. The switch contacts are formed conductive patterns printed on an insulation plate or sheet and are in contact with a pressure conductive rubber sheet. The pressure conductive rubber sheet includes conductive powder and is rendered conductive when compressed by the pushbutton, so that the corresponding switch contacts are closed by the conductive rubber sheet. A plurality of pairs of switch contacts are connected to terminals which are arranged in an adjacent relation.Type: GrantFiled: March 5, 1981Date of Patent: January 11, 1983Assignee: Citizen Watch Co., Ltd.Inventors: Masataka Matsumoto, Kouichi Nakajima
-
Patent number: 4234947Abstract: A solar battery powered electronic timepiece of the type wherein a watch glass and a base plate supporting a solar battery are secured in an annular recess in a watch case. The base plate is positioned on a bottom surface of the recess and secured in position by a resilient packing which is preferably made from a resin material. The packing extends around the base plate and has a portion which overlines the outer periphery of the base plate and on which is positioned the watch glass. Another portion of the packing extends between the outer periphery of the watch glass and a side wall of the recess to secure the watch glass in position. A structure of this type is particularly suitable for securing a base plate of a material such as epoxy resin to which fastening legs cannot easily be attached.Type: GrantFiled: December 13, 1978Date of Patent: November 18, 1980Assignee: Citizen Watch Co., Ltd.Inventor: Masataka Matsumoto