Patents by Inventor Masaya Koyama
Masaya Koyama 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: 11818835Abstract: A multilayer printed wiring board including one or more insulating layers 2 and at least one conductive layer 1 which are stacked alternately is disclosed. The one or more insulating layers 2 include at least one liquid crystal polymer resin layer 4 so that each of the one or more insulating layers 2 includes at least one layer selected from a group consisting of at least one polyolefin resin layer 3 and the at least one liquid crystal polymer resin layer 4. A percentage by volume of the at least one liquid crystal polymer resin layer 4 relative to the one or more insulating layers 2 is within a range of 5 to 90%.Type: GrantFiled: February 10, 2021Date of Patent: November 14, 2023Assignees: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., TOMOEGAWA CO., LTD.Inventors: Hiroaki Takahashi, Kiyotaka Komori, Masaya Koyama, Jun Tochihira, Ryu Harada
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Publication number: 20230145377Abstract: A method for manufacturing a metal clad laminated plate includes hot pressing a laminated body by a double belt press method. The laminated body includes an insulating film containing the liquid crystal polymer and the metal foil lying on the insulating film. In hot pressing the laminated body, a highest heating temperature is higher than or equal to a temperature lower than a melting point of the insulating film by 5° C. and lower than or equal to a temperature higher than the melting point by 20° C. The highest heating temperature is maintained for longer than or equal to 20 seconds and shorter than or equal to 120 seconds.Type: ApplicationFiled: January 4, 2023Publication date: May 11, 2023Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masaya KOYAMA, Yusuke ITO, Yoshinori MATSUZAKI, Kiyotaka KOMORI, Hiroaki TAKAHASHI
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Publication number: 20230096770Abstract: A manufacturing method includes stacking, between two endless belts, a first sheet of metal foil, a plurality of insulating films, and a second sheet of metal foil in this order one on top of another and hot-press molding these sheets and films together to form an insulating layer out of the plurality of insulating films. Each of the plurality of insulating films has a first surface and a second surface. The second surface has a larger ten-point mean roughness (Rzjis) than the first surface. The absolute value of difference between a ten-point mean roughness (Rzjis) of a surface, in contact with the first sheet of metal foil, of the insulating layer and a ten-point mean roughness (Rzjis) of another surface, in contact with the second sheet of metal foil, of the insulating layer is equal to or less than 0.35 ?m.Type: ApplicationFiled: February 22, 2021Publication date: March 30, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Yusuke ITO, Masaya KOYAMA
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Publication number: 20220408568Abstract: A method includes providing a first laminate and a second laminate. The first laminate includes a first conductor layer, a first insulating layer containing polyimide, and a second conductor layer. The second laminate includes a second insulating layer containing polyimide and a third conductor layer. The method further includes: heating each of the first laminate and the second laminate under a condition including a heating temperature equal to or higher than 100° C. and a heating duration equal to or longer than half an hour; and stacking, after heating, the first laminate and the second laminate one on top of the other with a third insulating layer interposed between the second conductor layer and the second insulating layer.Type: ApplicationFiled: November 13, 2020Publication date: December 22, 2022Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tomoyuki KAWAHARA, Kiyotaka KOMORI, Masaya KOYAMA
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Publication number: 20210400810Abstract: A metal clad laminated plate is a metal clad laminated plate including: an insulating layer containing a liquid crystal polymer; and a metal foil lying on the insulating layer. The metal foil has a surface lying on the insulating layer. The surface has a mean width of profile elements (RSm) of greater than or equal to 10 ?m and less than or equal to 65 ?m. The mean width is calculated from a roughness curve obtained from a cross section of the metal clad laminated plate. The metal clad laminated plate has a plate thickness accuracy of less than ±20%. Pull strength of the metal foil from the insulating layer is greater than or equal to 0.8 N/mm.Type: ApplicationFiled: October 25, 2019Publication date: December 23, 2021Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Masaya KOYAMA, Yusuke ITO, Yoshinori MATSUZAKI, Kiyotaka KOMORI, Hiroaki TAKAHASHI
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Patent number: 11039533Abstract: A printed wiring board includes: a first insulating layer having a first surface and a second surface opposite from the first surface; a second insulating layer stacked on the first surface of the first insulating layer; and a conductor wiring interposed between the first insulating layer and the second insulating layer. The first insulating layer contains a liquid crystal polymer. The second insulating layer contains a cured product of a thermosetting composition, containing an inorganic filler and a thermosetting component, and a fibrous base member. A temperature, at which a decrease in the mass of the second insulating layer that has had its temperature increased at a temperature increase rate of 10° C./min from an initial-state temperature of 25° C. reaches 5% of its initial-state mass, is equal to or higher than 355° C.Type: GrantFiled: February 2, 2018Date of Patent: June 15, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hiroaki Takahashi, Masaya Koyama, Kiyotaka Komori, Yutaka Tashiro, Hiroki Morikawa
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Publication number: 20210176854Abstract: A multilayer printed wiring board including one or more insulating layers 2 and at least one conductive layer 1 which are stacked alternately is disclosed. The one or more insulating layers 2 include at least one liquid crystal polymer resin layer 4 so that each of the one or more insulating layers 2 includes at least one layer selected from a group consisting of at least one polyolefin resin layer 3 and the at least one liquid crystal polymer resin layer 4. A percentage by volume of the at least one liquid crystal polymer resin layer 4 relative to the one or more insulating layers 2 is within a range of 5 to 90%.Type: ApplicationFiled: February 10, 2021Publication date: June 10, 2021Applicants: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., TOMOEGAWA CO., LTD.Inventors: Hiroaki TAKAHASHI, Kiyotaka KOMORI, Masaya KOYAMA, Jun TOCHIHIRA, Ryu HARADA
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Publication number: 20200346437Abstract: A metal-clad laminate includes: an insulating layer containing a liquid crystal polymer; and a metal layer stacked on the insulating layer. The insulating layer has amplitude of oscillation with a logarithmic decrement falling within the range from 0.05 to 0.30, which is measured at a melting point of the insulating layer by a rigid body pendulum type viscoelasticity measuring device.Type: ApplicationFiled: October 25, 2018Publication date: November 5, 2020Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hiroaki TAKAHASHI, Yoshinori MATSUZAKI, Masaya KOYAMA, Kiyotaka KOMORI, Yusuke ITO
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Publication number: 20200205286Abstract: A printed wiring board includes: a first insulating layer having a first surface and a second surface opposite from the first surface; a second insulating layer stacked on the first surface of the first insulating layer; and a conductor wiring interposed between the first insulating layer and the second insulating layer. The first insulating layer contains a liquid crystal polymer. The second insulating layer contains a cured product of a thermosetting composition, containing an inorganic filler and a thermosetting component, and a fibrous base member. A temperature, at which a decrease in the mass of the second insulating layer that has had its temperature increased at a temperature increase rate of 10° C./min from an initial-state temperature of 25° C. reaches 5% of its initial-state mass, is equal to or higher than 355° C.Type: ApplicationFiled: February 2, 2018Publication date: June 25, 2020Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hiroaki TAKAHASHI, Masaya KOYAMA, Kiyotaka KOMORI, Yutaka TASHIRO, Hiroki MORIKAWA
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Patent number: 10668697Abstract: Included are removing an outermost layer or outermost layers on one side or both sides of liquid crystal polymer film; and a molding step of performing thermocompression molding on liquid crystal polymer film and metal foil stacked on the side of liquid crystal polymer film whose outermost layer is removed. A heating temperature in the molding step is in a range from a temperature equal to a melting start temperature, of the liquid crystal polymer film, measured by using a rigid body pendulum type viscoelasticity measuring device to a temperature 60° C. higher than the melting start temperature inclusive.Type: GrantFiled: May 11, 2017Date of Patent: June 2, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masaya Koyama, Kiyotaka Komori, Hiroaki Takahashi, Yoshinori Matsuzaki, Tadashi Mori
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Publication number: 20200114623Abstract: A metal-clad laminate provided and includes: an insulating layer containing a liquid crystal polymer; and a metal layer stacked on the insulating layer. The liquid crystal polymer has a melting point within a range from 305° C. to 320° C. The liquid crystal polymer has a loss modulus whose relationship curve with respect to temperature has two points at each of which a differential quotient is 0. A difference between values of the loss modulus at the two points being 4.0×108 Pa or smaller.Type: ApplicationFiled: May 29, 2018Publication date: April 16, 2020Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hiroaki TAKAHASHI, Yoshinori MATSUZAKI, Masaya KOYAMA, Kiyotaka KOMORI, Yusuke ITO
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Publication number: 20190134951Abstract: Included are removing an outermost layer or outermost layers on one side or both sides of liquid crystal polymer film; and a molding step of performing thermocompression molding on liquid crystal polymer film and metal foil stacked on the side of liquid crystal polymer film whose outermost layer is removed. A heating temperature in the molding step is in a range from a temperature equal to a melting start temperature, of the liquid crystal polymer film, measured by using a rigid body pendulum type viscoelasticity measuring device to a temperature 60° C. higher than the melting start temperature inclusive.Type: ApplicationFiled: May 11, 2017Publication date: May 9, 2019Inventors: MASAYA KOYAMA, KIYOTAKA KOMORI, HIROAKI TAKAHASHI, YOSHINORI MATSUZAKI, TADASHI MORI
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Publication number: 20180270945Abstract: A multilayer printed wiring board including one or more insulating layers and at least one conductive layer which are stacked alternately is disclosed. The one or more insulating layers include at least one liquid crystal polymer resin layer so that each of the one or more insulating layers includes at least one layer selected from a group consisting of at least one polyolefin resin layer and the at least one liquid crystal polymer resin layer. A percentage by volume of the at least one liquid crystal polymer resin layer relative to the one or more insulating layers is within a range of 5 to 90%.Type: ApplicationFiled: January 5, 2016Publication date: September 20, 2018Applicants: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., TOMOEGAWA CO., LTD.Inventors: Hiroaki TAKAHASHI, Kiyotaka KOMORI, Masaya KOYAMA, Jun TOCHIHIRA, Ryu HARADA
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Patent number: 8437145Abstract: An image display apparatus including a display body which has a front face and a rear housing placed on a back side of the front face and a support portion which is fixed to the rear housing of the display body or which is integrated with the rear housing to support the display body from a rear side. The support portion has a storage portion to store an article and is configured by a plate member or a linear member that has an inclination portion inclined by a predetermined angle with respect to the front face of the display body. The storage portion is located on the rear side and has a groove portion opened upwards. The upper surface of the inclination portion and an inner wall side surface of one side of the groove portion are contiguous to each other by a gentle slope.Type: GrantFiled: October 22, 2010Date of Patent: May 7, 2013Assignee: NEC Infrontia CorporationInventor: Masaya Koyama
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Publication number: 20120081878Abstract: In an image display apparatus used at a restaurant or the like, a storage portion for receiving articles such as a menu is separately provided as a dedicated part. Therefore, the number of parts increases, and an assembly operation, an installation operation, and the like cost much labor. An image display apparatus that requires no dedicated part and can reduce the number of parts for thereby simplifying an assembly operation, an installation operation, and the like can be obtained by unifying a support portion for supporting a display body and a storage portion.Type: ApplicationFiled: October 22, 2010Publication date: April 5, 2012Applicant: NEC INFRONTIA CORPORATIONInventor: Masaya Koyama
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Patent number: 7744141Abstract: A retractable grip assist handle assembly provides an extendable support for a passenger during ingress to or egress from the vehicle. The retractable grip assist handle assembly includes a handle, and a body portion having a first end connected to the handle and the handle and body portion are extendable relative to the vehicle. A mechanical energy storage device is connected between a second end of the body portion and the vehicle. The mechanical energy storage device provides a return force that returns the handle to a retracted position from an extended position.Type: GrantFiled: January 18, 2007Date of Patent: June 29, 2010Assignees: Toyota Motor Engineering & Manufacturing North America, Inc., Toyota Motor CorporationInventors: Katsuhiro Saionji, Saori Nakano, Masaya Koyama, Toyoshi Nakamoto
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Publication number: 20080174145Abstract: A retractable grip assist handle assembly provides an extendable support for a passenger during ingress to or egress from the vehicle. The retractable grip assist handle assembly includes a handle, and a body portion having a first end connected to the handle and the handle and body portion are extendable relative to the vehicle. A mechanical energy storage device is connected between a second end of the body portion and the vehicle. The mechanical energy storage device provides a return force that returns the handle to a retracted position from an extended position.Type: ApplicationFiled: January 18, 2007Publication date: July 24, 2008Applicants: Toyota Engineering & Manufacturing North America, Inc., Toyota Motor CorporationInventors: Katsuhiro Saionji, Saori Nakano, Masaya Koyama, Toyoshi Nakamoto
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Patent number: 4330088Abstract: A multispray system for beauty treatment in which a motor and a pump are mounted on a wagon and interconnected to each other to generate high pressure sufficient to spray a liquid through at least two pipes which are respectively connected to an atomizing sprayer and a foam sprayer, whereby the atomized spraying is performed by means of air under high pressure, and the foam spraying is performed by means of suitably reduced air pressure.Type: GrantFiled: December 28, 1979Date of Patent: May 18, 1982Inventors: Masaya Koyama, Katsuyuki Hanaoka
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Patent number: 4162037Abstract: An automatic sprayer comprising a spray body, a prime mover mounted to the spray body, a geared eccentric drive operatively associated with the prime mover, a nozzle body to be driven into oscillating motion by means of the a geared eccentric drive, whereby treatment liquid contained in a container is sprayed by oscillating motion of the nozzle body. Spraying may be carried out upon oscillating motion of the nozzle body, thus resulting in efficient dispersion of liquid.Type: GrantFiled: July 18, 1977Date of Patent: July 24, 1979Inventor: Masaya Koyama
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Patent number: 4155509Abstract: A foam spray for beauty treatment comprising a spray main body having a mount for attaching a container containing a beauty treatment solution, a gas cylinder mounted in the spray main body, a gas flow regulator including a knob member for operating a valve on the gas cylinder, and a gas flow regulator sliding member coupled to the knob member. The gas flow regulator regulates the flow of gas into the container to adjust the rate of generation of the foam to be applied.Type: GrantFiled: December 29, 1976Date of Patent: May 22, 1979Inventor: Masaya Koyama