Patents by Inventor Hirohisa Yamada
Hirohisa 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: 20240057365Abstract: A light-emitting device includes an anode, a cathode, a light-emitting layer disposed between the anode and the cathode, a first electrode disposed in a manner capable of generating a second electric field in the light-emitting layer in cooperation with one of the anode and the cathode, the second electric field bringing a total electric field, which is generated in the light-emitting layer and includes a first electric field generated in the light-emitting layer between the anode and the cathode, close to zero, and a first insulating film surrounding the first electrode in a cross-sectional view of the anode, the cathode, and the light-emitting layer.Type: ApplicationFiled: December 25, 2020Publication date: February 15, 2024Inventors: MASAYA UEDA, HIROHISA YAMADA, YOSHIHIRO UETA
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Patent number: 11884113Abstract: A bracket that is pressed against and fixed to an outer peripheral surface of a rim of a tire wheel by a belt wound around the outer peripheral surface of the rim, and detachably holds an electric circuit unit includes: a pair of rim contact portions that are provided at both ends in a circumferential direction of the rim in a rim facing surface facing the outer peripheral surface of the rim, and come into contact with the outer peripheral surface of the rim in such a way as to cause a portion between the both ends to be spaced apart from the outer peripheral surface of the rim.Type: GrantFiled: February 28, 2020Date of Patent: January 30, 2024Assignee: PACIFIC INDUSTRIAL CO., LTD.Inventors: Hiroki Isowa, Hirohisa Yamada
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Publication number: 20230284473Abstract: In a light-emitting device, a first electrode, a light-emitting layer, and a second electrode are disposed in the order recited. Moreover, a charge transport layer is disposed between the first electrode and the light-emitting layer and/or between the second electrode and the light-emitting layer. A third electrode at least partly overlaps the light-emitting layer. Moreover, the third electrode is disposed between the charge transport layer and the light-emitting layer.Type: ApplicationFiled: July 29, 2020Publication date: September 7, 2023Inventors: HIROHISA YAMADA, YOSHIHIRO UETA, Masumi KUBO, Masaki YAMAMOTO
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Patent number: 11735859Abstract: A connector to connect electric circuits inside and outside the tire includes: a tubular terminal penetrating the connector attachment hole; an outer seal member surrounding outside the tubular terminal and elastically deformed by being pressed against a tire wheel to provide a seal between the tire wheel and the tubular terminal; an inner seal member filled inside the tubular terminal; one or more rod-shaped terminals penetrating the inner seal member; a plurality of communication holes formed at a plurality of positions in a circumferential direction in an intermediate portion in an axial direction of the tubular terminal; and a plurality of seal communication portions integrally formed with one or both of the outer seal member and the inner seal member and arranged in the plurality of communication holes to transmit, to the inner seal member, elastic force toward the tubular terminal by the elastic deformation of the outer seal member.Type: GrantFiled: May 29, 2020Date of Patent: August 22, 2023Assignee: PACIFIC INDUSTRIAL CO., LTD.Inventor: Hirohisa Yamada
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Publication number: 20230260545Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: ApplicationFiled: April 21, 2023Publication date: August 17, 2023Inventors: Hirohisa YAMADA, Takayuki NAKA, Masaki YAMAMOTO, Yoshihisa ADACHI, Hideharu TAJIMA, Masahito KONISHI
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Publication number: 20230186804Abstract: An inspection circuit in a display device includes: a measuring circuit configured to sweep a voltage to the display device and to measure a current value that flows in a light-emitting element in response to a voltage value applied; a computation circuit configured to compute a first derivative value of the current value with respect to the voltage value, the first derivative value representing voltage dependence of a first derivative of the current value; a peak determination circuit configured to determine a peak of the first derivative value; and a processing circuit configured to process the light-emitting element based on a result of the determination by the peak determination circuit.Type: ApplicationFiled: April 8, 2020Publication date: June 15, 2023Inventors: HIROHISA YAMADA, Keisuke KITANO, YUSUKE SAKAKIBARA
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Patent number: 11676634Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: GrantFiled: January 2, 2020Date of Patent: June 13, 2023Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Hirohisa Yamada, Takayuki Naka, Masaki Yamamoto, Yoshihisa Adachi, Hideharu Tajima, Masahito Konishi
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Publication number: 20230158840Abstract: An air supply system includes: a telescopic pump attached to a wheel and discharging compressed air into a tire by extending and contracting; a cam member rotatably supported on the wheel and having a center of gravity eccentric to the wheel and an annular cam surface eccentric to the wheel, wherein the cam member rotating relative to the wheel as the wheel rotates, with one end part of the pump following the cam surface, causing the pump to extend and contract to supply air into the tire by a rotary power of the wheel; and a pump on/off mechanism that is activated upon receiving a pressure inside the tire, allowing the pump to operate when the pressure is at or below a reference lower limit, and stopping the pump when the pressure is at or above a reference upper limit that is larger than the reference lower limit.Type: ApplicationFiled: December 18, 2020Publication date: May 25, 2023Applicant: PACIFIC INDUSTRIAL CO., LTD.Inventor: Hirohisa YAMADA
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Publication number: 20230113212Abstract: A method of manufacturing a display device includes: the measurement step of sweeping a voltage to light-emitting elements and measuring a current value that flows in the light-emitting elements in response to a voltage value applied; the computation step of computing a first derivative value of the current value with respect to the voltage value, the first derivative value representing voltage dependence of a first derivative of the current value; the peak determination step of determining a peak of the first derivative value; the processing step of processing the light-emitting elements based on a result of the peak determination step; and the attaching step of attaching a housing to the substrate.Type: ApplicationFiled: April 8, 2020Publication date: April 13, 2023Applicant: SHARP KABUSHIKI KAISHAInventors: HIROHISA YAMADA, Keisuke KITANO, YUSUKE SAKAKIBARA
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Publication number: 20230080877Abstract: The electroluminescent element includes an anode electrode, a cathode electrode, and a quantum dot (QD) layer including quantum dots and arranged between the anode electrode and the cathode electrode. The quantum dots are Cd-free quantum dots that include at least Zn and Se, and do not include Cd at a mass ratio of 1/30 or greater in relation to Zn. The particle size of each quantum dot is within a range from 3 nm to 20 nm.Type: ApplicationFiled: February 17, 2020Publication date: March 16, 2023Inventors: Masaki YAMAMOTO, Hirohisa YAMADA, Yoshihiro UETA, Keisuke KITANO, Kazuki GOTO, Yusuke SAKAKIBARA, Tadashi KOBASHI, Masashi KAGO, Soichiro NIKATA, Yuko OGURA, Masanori TANAKA, Yuka TAKAMIZUMA, Tetsuji ITO
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Publication number: 20220314716Abstract: An in-tire electric device having a bracket and an electric circuit unit detachably held by the bracket includes: an engagement protrusion and an engagement hole provided on the electric circuit unit and the bracket to engage with each other to restrict, through a two-step operation where the electric circuit unit is moved in a first direction and then moved or rotated in a second direction intersecting the first direction, all movements and rotations except for a reverse of the second direction; a retainer mounted on the bracket from a direction intersecting the second direction and facing the electric circuit unit in the second direction to restrict the electric circuit unit from moving in the second direction; and retainer locking portions formed on the bracket and the retainer and engage with each other by elastic deformation of one of the retainer locking portions to lock the retainer to the bracket.Type: ApplicationFiled: February 28, 2020Publication date: October 6, 2022Applicant: PACIFIC INDUSTRIAL CO., LTD.Inventors: Hirohisa YAMADA, Hiroki ISOWA
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Publication number: 20220176754Abstract: A bracket that is pressed against and fixed to an outer peripheral surface of a rim of a tire wheel by a belt wound around the outer peripheral surface of the rim, and detachably holds an electric circuit unit includes: a pair of rim contact portions that are provided at both ends in a circumferential direction of the rim in a rim facing surface facing the outer peripheral surface of the rim, and come into contact with the outer peripheral surface of the rim in such a way as to cause a portion between the both ends to be spaced apart from the outer peripheral surface of the rim.Type: ApplicationFiled: February 28, 2020Publication date: June 9, 2022Applicant: PACIFIC INDUSTRIAL CO., LTD.Inventors: Hiroki ISOWA, Hirohisa YAMADA
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Publication number: 20220006230Abstract: A connector to connect electric circuits inside and outside the tire includes: a tubular terminal penetrating the connector attachment hole; an outer seal member surrounding outside the tubular terminal and elastically deformed by being pressed against a tire wheel to provide a seal between the tire wheel and the tubular terminal; an inner seal member filled inside the tubular terminal; one or more rod-shaped terminals penetrating the inner seal member; a plurality of communication holes formed at a plurality of positions in a circumferential direction in an intermediate portion in an axial direction of the tubular terminal; and a plurality of seal communication portions integrally formed with one or both of the outer seal member and the inner seal member and arranged in the plurality of communication holes to transmit, to the inner seal member, elastic force toward the tubular terminal by the elastic deformation of the outer seal member.Type: ApplicationFiled: May 29, 2020Publication date: January 6, 2022Applicant: PACIFIC INDUSTRIAL CO., LTD.Inventor: Hirohisa YAMADA
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Patent number: 11046127Abstract: A tire condition detecting device includes a case, a detecting section, which is accommodated in the case to detect a condition of a tire, an attachment portion provided in the case, an insertion hole, which is provided in the attachment portion and is configured to allow a snap-in valve to be inserted into the insertion hole, and a case-side fitting portion, which is provided in the attachment portion to be positioned outward of the insertion hole in a direction orthogonal to a central axis of the insertion hole, and is configured to be fitted to a clamp-in valve. The snap-in valve inserted into the insertion hole or the clamp-in valve fitted to the case-side fitting portion is attached to the case with a fixing tool.Type: GrantFiled: December 26, 2016Date of Patent: June 29, 2021Assignee: PACIFIC INDUSTRIAL CO., LTD.Inventors: Hirohisa Yamada, Hirotake Mori
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Publication number: 20200254831Abstract: A tire condition detecting device includes a detecting section, which detects the condition of a tire, and a case, which accommodates the detecting section. The case has an accommodation portion, which accommodates the detecting section; and attachment portions. The attachment portions are configured to allow attachment of different types of tire valves.Type: ApplicationFiled: December 26, 2016Publication date: August 13, 2020Inventor: Hirohisa YAMADA
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Publication number: 20200207165Abstract: A tire condition detecting device includes a case, a detecting section, which is accommodated in the case to detect a condition of a tire, an attachment portion provided in the case, an insertion hole, which is provided in the attachment portion and is configured to allow a snap-in valve to be inserted into the insertion hole, and a case-side fitting portion, which is provided in the attachment portion to be positioned outward of the insertion hole in a direction orthogonal to a central axis of the insertion hole, and is configured to be fitted to a clamp-in valve. The snap-in valve inserted into the insertion hole or the clamp-in valve fitted to the case-side fitting portion is attached to the case with a fixing tool.Type: ApplicationFiled: December 26, 2016Publication date: July 2, 2020Inventors: Hirohisa YAMADA, Hirotake MORI
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Publication number: 20200143829Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: ApplicationFiled: January 2, 2020Publication date: May 7, 2020Inventors: Hirohisa YAMADA, Takayuki NAKA, Masaki YAMAMOTO, Yoshihisa ADACHI, Hideharu TAJIMA, Masahito KONISHI
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Patent number: 10636445Abstract: An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.Type: GrantFiled: July 9, 2018Date of Patent: April 28, 2020Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Hirohisa Yamada, Takayuki Naka, Masaki Yamamoto, Yoshihisa Adachi, Hideharu Tajima, Masahito Konishi
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Patent number: 10381039Abstract: A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal.Type: GrantFiled: December 14, 2018Date of Patent: August 13, 2019Assignees: SHARP KABUSHIKI KAISHA, MEMORY-TECH HOLDINGS INC.Inventors: Hideharu Tajima, Masaki Yamamoto, Hirohisa Yamada, Takayuki Naka, Masahito Konishi
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Publication number: 20190130941Abstract: A reproducing device (100) includes (i) an optical pickup (6) for irradiating, with reproduction light, an optical disk (1) which is a super-resolution medium, (ii) an RF signal processing circuit (9) for converting, into a reproduction signal, light which reflected off optical disk (1), (iii) an i-MLSE detecting section (141) for evaluating quality of the reproduction signal, and (iv) a spherical aberration correcting section (142) for correcting a spherical aberration by using a result of evaluation of the quality of the reproduction signal.Type: ApplicationFiled: December 14, 2018Publication date: May 2, 2019Inventors: Hideharu TAJIMA, Masaki YAMAMOTO, Hirohisa YAMADA, Takayuki NAKA, Masahito KONISHI