Patents by Inventor Takao Koyama
Takao 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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Publication number: 20240085380Abstract: An ultrasonic inspection device is used for inspecting a packaging container having a joined portion including overlapping and joined edges of the packaging container. The ultrasonic inspection device includes a transmitter configured to irradiate ultrasonic waves toward at least a base end portion of the joined portion in a state in which the joined portion protrudes from a surface of an object in a direction orthogonal to the surface, the base end portion being positioned on a side of the object. The ultrasonic inspection device further includes a plurality of receivers configured to receive the ultrasonic waves transmitted through the joined portion.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Inventors: Akihiro NARA, Hideyuki YAMADA, Takao KOYAMA
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Publication number: 20240068992Abstract: An ultrasonic inspection device includes a transmitter configured to transmit an ultrasonic beam to a subject. The ultrasonic inspection device further includes a plurality of receivers that each have a reception surface configured to receive the ultrasonic beam having transmitted through the subject. An area of the reception surface of each of the plurality of receivers is equal to or less than (10×?)2, where ? is a wavelength of the ultrasonic beam.Type: ApplicationFiled: November 7, 2023Publication date: February 29, 2024Inventors: Akihiro NARA, Takao KOYAMA
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Publication number: 20220356062Abstract: A glassy carbon compact according to the present invention has a maximum inscribed sphere diameter of 5 mm or greater, comprises pores having diameters of 500 nm or less dispersed throughout the glassy carbon compact, and has a density of 1.1 g/cm3 or greater.Type: ApplicationFiled: April 21, 2020Publication date: November 10, 2022Applicant: MITSUBISHI PENCIL COMPANY, LIMITEDInventors: Kunitaka YAMADA, Takao KOYAMA
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Publication number: 20180202512Abstract: A vibratory structure includes: a vibratory body; piezoelectric elements mounted to a surface of the vibratory body; and resonant circuits configured to operate in response to electrical energy generated by the piezoelectric elements so as to cause a change in a damping characteristic of the vibratory body at a target frequency upon vibration of the vibratory body, and assuming that an axis of the vibratory body in a direction of principal strains is a reference axis, each of the piezoelectric elements is fixed at fixing regions at different locations in the direction of the reference axis.Type: ApplicationFiled: March 15, 2018Publication date: July 19, 2018Inventors: Takao KOYAMA, Takuro SONE, Kazuyuki KOBAYASHI
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Patent number: 8927845Abstract: An electronic keyboard musical instrument, including: a housing having a lower casing having a bottom wall and an upper casing having a top wall, left and right walls being formed on at least one of the top wall and the bottom wall; a keyboard portion held by the housing; at least one speaker disposed at at least one end portion of the housing in its key arrangement direction, such that its sound emission surface faces rearward; a sound adjuster disposed in the housing so as to be located outward of the speaker in the left-right direction; and a plurality of protruding portions formed at the one end portion so as to protrude from the at least one of the top and bottom walls, wherein the sound adjuster is held by at least one of the protruding portions.Type: GrantFiled: April 4, 2014Date of Patent: January 6, 2015Assignee: Yamaha CorporationInventors: Takashi Kato, Takao Koyama
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Publication number: 20140298976Abstract: An electronic keyboard musical instrument, including: a housing having a lower casing having a bottom wall and an upper casing having a top wall, left and right walls being formed on at least one of the top wall and the bottom wall; a keyboard portion held by the housing; at least one speaker disposed at at least one end portion of the housing in its key arrangement direction, such that its sound emission surface faces rearward; a sound adjuster disposed in the housing so as to be located outward of the speaker in the left-right direction; and a plurality of protruding portions formed at the one end portion so as to protrude from the at least one of the top and bottom walls, wherein the sound adjuster is held by at least one of the protruding portions.Type: ApplicationFiled: April 4, 2014Publication date: October 9, 2014Applicant: YAMAHA CORPORATIONInventors: Takashi KATO, Takao KOYAMA
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Patent number: 8684617Abstract: In a writing instrument in which an ink for a writing instrument such as a water-based ink and an oil-based ink impregnated into an ink occlusion body in a barrel is fed to a pen tip in a writing part, in order to provide a writing instrument in which a sign of exhausting the ink can readily and surely be detected, the above writing instrument is provided with a structure in which the ink impregnated into the ink occlusion body in the barrel is fed to the pen tip in the writing part, wherein the ink impregnated into the ink occlusion body described above is fed to the pen tip via an ink guiding feed having visibility, and a sign of exhausting the ink fed from the ink occlusion body is detected by visually observing the ink guiding feed described above via a visible part formed in the barrel.Type: GrantFiled: May 13, 2003Date of Patent: April 1, 2014Assignee: Mitsubishi Pencil Kabushiki KaishaInventor: Takao Koyama
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Patent number: 7938814Abstract: A disposable diaper comprising a liquid permeable topsheet 2, a liquid impermeable backsheet 3, and a liquid retentive absorbent member 4 and having a substantially oblong shape, the absorbent member 4 in the crotch portion having a middle absorbent portion 42 which occupies the middle 3/7 of the width of the absorbent member 4 and side absorbent portions 43 which each occupy the outermost 1/7 of the width of the absorbent member 4, wherein each side absorbent portion 43 has a larger unit absorption capacity than the middle absorbent portion 42, hydrophobic sheets 3 and 21 are disposed on the lateral outer edge of each side absorbent portion 43 to cover from the upper to lower surfaces of the edge, and an elastic member 71 is disposed in the part having each side absorbent portion 43 in the longitudinal direction of the side absorbent portion 43.Type: GrantFiled: June 24, 2008Date of Patent: May 10, 2011Assignee: Kao CorporationInventors: Takao Koyama, Hidekazu Ito, Hiroshi Inada, Takahiro Arimura
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Patent number: 7811187Abstract: A continuously variable transmission has a primary pulley having a primary movable sheave that is capable of moving to change a groove width of the primary pulley, and a secondary pulley having a secondary movable sheave that is capable of moving to change a groove width of the secondary pulley. Endless flexible members are engaged with the primary pulley and the secondary pulley to transmit torque therebetween. At least one of the pulleys has a thrust applying mechanism that is capable of applying spring force and first fluid pressure force to the movable sheave of the pulley so as to narrow the groove width thereof and generating second fluid pressure force opposite to the spring force and the first fluid pressure force.Type: GrantFiled: January 5, 2005Date of Patent: October 12, 2010Assignee: Nissan Motor Co., Ltd.Inventor: Takao Koyama
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Publication number: 20100074672Abstract: In a writing instrument in which an ink for a writing instrument such as a water-based ink and an oil-based ink impregnated into an ink occlusion body in a barrel is fed to a pen tip in a writing part, in order to provide a writing instrument in which a sign of exhausting the ink can readily and surely be detected, the above writing instrument is provided with a structure in which the ink impregnated into the ink occlusion body in the barrel is fed to the pen tip in the writing part, wherein the ink impregnated into the ink occlusion body described above is fed to the pen tip via an ink guiding feed having visibility, and a sign of exhausting the ink fed from the ink occlusion body is detected by visually observing the ink guiding feed described above via a visible part formed in the barrel.Type: ApplicationFiled: October 8, 2009Publication date: March 25, 2010Applicant: MITSUBISHI PENCIL KABUSHIKI KAISHAInventor: Takao Koyama
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Patent number: 7600938Abstract: A refill for a correction pen is constructed of a molded article of a polyamide resin obtained from monomers having an aromatic ring or a naphthene ring, a molded article of a blend of two or more kinds of polyamide resins, or a molded article having a multi-layered structure of two or more layers whose innermost layer in contact with the correction fluid is constituted of a polyamide resin. The applying part of a refill unit mounted on a ballpoint type applicator having a pressurizing mechanism in linkage with clicking action is formed by press fitting the rear end of a ballpoint pen tip having a rotatable ball to the attachment portion at the front end of an ink reservoir and a metal tube is squeezed to cover the outer periphery of the attachment portion at the front end of the ink reservoir to which the tip is fitted.Type: GrantFiled: March 3, 2004Date of Patent: October 13, 2009Assignee: Mitsubishi Pencil Co., Ltd.Inventors: Kyoko Kobayashi, Makoto Ono, Akira Fukai, Takao Koyama, Hitoshi Nakamura, Kei Omoto, Tadashi Koriki
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Publication number: 20090253549Abstract: A structure is given where the automatic transmission includes a planetary gear unit, a plurality of engagement elements to disconnect or fix elements of the planetary gear unit, a variable speed control that selects a low-speed forward gear as the vehicle first starts to move, a high-speed forward gear when the vehicle is moving forward, and a reverse gear when the vehicle is moving reverse by disconnecting or fixing the plurality of engagement elements. Embodiments may provide an advantage in layout by reducing a high-torque starting element and a forward/reverse shift element into a single planetary gear unit.Type: ApplicationFiled: May 27, 2009Publication date: October 8, 2009Applicant: NISSAN MOTOR CO., LTD.Inventors: Takao Koyama, Yukio Nagahori, Katsuya Tanoue, Yousuke Hori, Yusuke Miyamoto
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Patent number: 7520874Abstract: A disposable diaper comprising a fluid-permeable topsheet, a fluid-impermeable backsheet and a fluid-retentive absorbent core interposed between the topsheet and the backsheet, the disposable diaper being formed in a substantially vertically elongated configuration and having a stomach side, a back side and a crotch region positioned between the stomach side and the back side, wherein a second absorbent core is disposed at an outside region of each opposite side edge of the absorbent core at the crotch region along a longitudinal direction of the diaper, and an elastic member is disposed at the region where the second absorbent core is disposed along a longitudinal direction of the diaper.Type: GrantFiled: November 20, 2006Date of Patent: April 21, 2009Assignee: Kao CorporationInventors: Takao Koyama, Hidekazu Ito, Ken Nemoto, Kenji Ishiguro
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Publication number: 20080312626Abstract: A disposable diaper comprising a liquid permeable topsheet 2, a liquid impermeable backsheet 3, and a liquid retentive absorbent member 4 and having a substantially oblong shape, the absorbent member 4 in the crotch portion having a middle absorbent portion 42 which occupies the middle 3/7 of the width of the absorbent member 4 and side absorbent portions 43 which each occupy the outermost 1/7 of the width of the absorbent member 4, wherein each side absorbent portion 43 has a larger unit absorption capacity than the middle absorbent portion 42, hydrophobic sheets 3 and 21 are disposed on the lateral outer edge of each side absorbent portion 43 to cover from the upper to lower surfaces of the edge, and an elastic member 71 is disposed in the part having each side absorbent portion 43 in the longitudinal direction of the side absorbent portion 43.Type: ApplicationFiled: June 24, 2008Publication date: December 18, 2008Inventors: Takao KOYAMA, Hidekazu Ito, Hiroshi Inada, Takahiro Arimura
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Publication number: 20080261766Abstract: A structure is given where the automatic transmission includes a planetary gear unit, a plurality of engagement elements to disconnect or fix elements of the planetary gear unit, a variable speed control that selects a low-speed forward gear as the vehicle first starts to move, a high-speed forward gear when the vehicle is moving forward, and a reverse gear when the vehicle is moving reverse by disconnecting or fixing the plurality of engagement elements. Embodiments may provide an advantage in layout by reducing a high-torque starting element and a forward/reverse shift element into a single planetary gear unit.Type: ApplicationFiled: November 1, 2005Publication date: October 23, 2008Applicant: Nissan Motor Co., Ltd.Inventors: Takao Koyama, Yukio Nagahori, Katsuya Tanoue, Yousuke Hori, Yusuke Miyamoto
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Patent number: 7405865Abstract: A medium for electrophoretic display using a liquid for electrophoretic display which can reversibly change a visible state by action of an electric field includes a medium comprising each independent structures of microcapsules or cells filled with a liquid for electrophoretic display comprising at least alkylpolyetheramine having a structural unit represented by a specific structural formula, one or more kinds of fine particles, a dispersant and a dispersion liquid medium, wherein the fine particles contain fine particles subjected to surface treatment for making lipophilic. Also, an electrophoretic display device includes a display device comprising a pair of substrates in which a light-transmitting electrode is formed on at least one substrate and the medium for electrophoretic display described above between the substrates.Type: GrantFiled: August 31, 2004Date of Patent: July 29, 2008Assignee: Mitsubishi Pencil Co., Ltd.Inventors: Yasuaki Ogiwara, Atsushi Sato, Takahiro Osada, Takao Koyama
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Publication number: 20070093772Abstract: A disposable diaper comprising a fluid-permeable topsheet, a fluid-impermeable backsheet and a fluid-retentive absorbent core interposed between the topsheet and the backsheet, the disposable diaper being formed in a substantially vertically elongated configuration and having a stomach side, a back side and a crotch region positioned between the stomach side and the back side, wherein a second absorbent core is disposed at an outside region of each opposite side edge of the absorbent core at the crotch region along a longitudinal direction of the diaper, and an elastic member is disposed at the region where the second absorbent core is disposed along a longitudinal direction of the diaper.Type: ApplicationFiled: November 20, 2006Publication date: April 26, 2007Inventors: Takao Koyama, Hidekazu Ito, Ken Nemoto, Kenji Ishiguro
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Publication number: 20070002427Abstract: A medium for electrophoretic display using a liquid for electrophoretic display which can reversibly change a visible state by action of an electric field includes a medium comprising each independent structures of microcapsules or cells filled with a liquid for electrophoretic display comprising at least alkylpolyetheramine having a structural unit represented by a specific structural formula, one or more kinds of fine particles, a dispersant and a dispersion liquid medium, wherein the fine particles contain fine particles subjected to surface treatment for making lipophilic. Also, an electrophoretic display device includes a display device comprising a pair of substrates in which a light-transmitting electrode is formed on at least one substrate and the medium for electrophoretic display described above between the substrates.Type: ApplicationFiled: August 31, 2004Publication date: January 4, 2007Inventors: Yasuaki Ogiwara, Atsushi Sato, Takahiro Osada, Takao Koyama
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Patent number: 7156830Abstract: A disposable diaper comprising a fluid-permeable topsheet, a fluid-impermeable backsheet and a fluid-retentive absorbent core interposed between the topsheet and the backsheet, the disposable diaper being formed in a substantially vertically elongated configuration and having a stomach side, a back side and a crotch region positioned between the stomach side and the back side, wherein a second absorbent core is disposed at an outside region of each opposite side edge of the absorbent core at the crotch region along a longitudinal direction of the diaper, and an elastic member is disposed at the region where the second absorbent core is disposed along a longitudinal direction of the diaper.Type: GrantFiled: February 28, 2005Date of Patent: January 2, 2007Assignee: Kao CorporationInventors: Takao Koyama, Hidekazu Ito, Ken Nemoto, Kenji Ishiguro
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Publication number: 20060276293Abstract: A split type continuously variable transmission (CVT) includes a rotation transmitting mechanism which comprises a plurality of rotating elements whose revolution speeds are represented by a lever in a lever diagram, and a CVT mechanism which continuously varies a CVT mechanism transmission ratio. The rotating element located at an intermediate portion of the lever is employed as an input element of receiving an input rotation, one of the two rotating elements located at both end portions of the lever is employed as an output element of outputting an output rotation. The CVT mechanism is connected to the two rotating elements located at both end portions of the lever.Type: ApplicationFiled: May 25, 2006Publication date: December 7, 2006Inventor: Takao Koyama