Patents by Inventor Takeshi Okada
Takeshi Okada 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: 20150063762Abstract: An optical module with an improved coupling portion to couple an optical device with an external fiber is disclosed. The coupling portion includes a stub to secure a coupling fiber in a center thereof, a bush to support the stub, a sleeve to receive the stub in a portion thereof and an external ferrule in another portion, and a sleeve cover to cover the sleeve. The coupling portion further includes a latch put between the bush and the cover by being hooked with both the bush and the cover. The latch electrically isolates the bush from the cover even when the bush and the sleeve cover are made of metal.Type: ApplicationFiled: May 22, 2013Publication date: March 5, 2015Inventor: Takeshi Okada
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Patent number: 8955955Abstract: An image recording method has a feature such that a first ink, a second ink, and a third ink satisfy both the following relationships (1) and (2): (1) the film thickness of dots of the inks formed when one drop of each ink is applied to the recording medium is as follows: First ink>Second ink>Third ink; and (2) the penetration time of the clear ink when applying the inks to the recording medium, and then further applying one drop of the clear ink to the region to which each ink is applied is as follows: First ink?Second ink?Third ink.Type: GrantFiled: June 5, 2012Date of Patent: February 17, 2015Assignee: Canon Kabushiki KaishaInventors: Tomomi Mimura, Takeshi Okada, Akihiro Taya, Masanobu Ootsuka
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Patent number: 8931988Abstract: A plastic screw grommet includes a head portion provided with a screwing hole for a tapping screw, and a leg portion expanded or prevented from deflecting by screwing the tapping screw. A hole diameter of the screwing hole is made smaller than an outer diameter of the above-mentioned tapping screw and larger than a root diameter of the tapping screw. Also, a projecting portion for filling a screw groove of the tapping screw to be screwed is formed in an inner face of the screwing hole.Type: GrantFiled: March 19, 2009Date of Patent: January 13, 2015Assignee: Nifco Inc.Inventors: Toshiaki Shimizu, Takeshi Okada
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Patent number: 8926195Abstract: An optical module with an optical subassembly precisely aligned with an optical fiber is disclosed even when the optical axis of the optical subassembly and that of the optical fiber are perpendicular to each other. The optical module has an auxiliary with a knob and a flange each having a concentric circular periphery. The knob is held by chuck of the welding apparatus, while, the optical subassembly is fixed to the flange. Even when the optical subassembly is slid on the flange to align optically with the optical fiber, the positions of the laser beams for welding are kept on the periphery of the flange.Type: GrantFiled: March 12, 2013Date of Patent: January 6, 2015Assignee: Sumitomo Electric Device Innovations, Inc.Inventor: Takeshi Okada
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Publication number: 20140359972Abstract: An endoscope operation portion structure includes: a frame member inserted from an opening portion on an operation portion main body and arranged; a first fixing portion formed such that a length between a first apex protruded from one side of the frame member and a point on another side opposed to the first apex is longer than a long side of the opening portion; and a second fixing portion formed such that a length between a second apex protruded from the other side of the frame member and a point on the one side opposed to the second apex is longer than the long side of the opening portion, wherein the length between the first apex and the point on the other side and the length between the second apex and the point on the one side portion are shorter than a diagonal direction of the opening portion.Type: ApplicationFiled: July 11, 2014Publication date: December 11, 2014Applicant: OLYMPUS MEDICAL SYSTEMS CORP.Inventor: Takeshi OKADA
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Publication number: 20140301735Abstract: An optical module that installs a plurality of laser diodes (LDs) and a composite prism to condense optical beams emitted from the LDs is disclosed. The LDs are arranged on a line so as to level the optical beams within a plane. The composite prism includes input surfaces and output surfaces each corresponding to respective one of the input surfaces. The composite prism outputs optical beams whose intervals are narrowed compared with intervals of the optical beams entering therein.Type: ApplicationFiled: April 3, 2014Publication date: October 9, 2014Applicant: Sumitomo Electric Device Innovations, Inc.Inventor: Takeshi OKADA
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Patent number: 8850889Abstract: An acceleration sensor includes: a rectangular moving electrode; a pair of beams which connect to centers of two opposite sides of the moving electrode, and support the moving electrode freely swingably; and first and second fixed electrodes which are provided on one side and other side of a boundary line, respectively, and are arranged to be opposed to a front surface of the moving electrode at a predetermined interval. A straight line that connects the pair of beams to each other is taken as the boundary line. Then, on a back surface of the moving electrode, first and second recessed portions are formed on one side of the boundary line and the other side thereof, respectively.Type: GrantFiled: November 19, 2009Date of Patent: October 7, 2014Assignee: Panasonic CorporationInventors: Hitoshi Yoshida, Yuji Suzuki, Nobuyuki Ibara, Hideki Ueda, Takeshi Okada
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Publication number: 20140296016Abstract: A shovel includes a turning drive unit. The turning drive unit includes a turning electric motor, a turning speed reducer configured to transmit the rotational driving force of the turning electric motor to a turnable body, a brake unit configured to maintain the turnable body in a state where the turning of the turnable body is stopped, a case forming a space in which the turning speed reducer and the brake unit are lubricated with lubricant oil and accommodated, a collar fixed around an output shaft of the turning speed reducer so as to rotate with the output shaft and covering at least a part of a relief part formed at a time of forming splines on the output shaft, and a sealing member provided between the collar and the case and hermetically sealing the lubricant oil inside the space.Type: ApplicationFiled: March 19, 2014Publication date: October 2, 2014Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Takeshi OKADA, Akihiko Inada, Terukazu Matsugi, Kazunori Hiranuma
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Publication number: 20140296015Abstract: A shovel includes a turning drive unit. The turning drive unit includes a turning electric motor, a turning speed reducer configured to transmit the rotational driving force of the turning electric motor to a turnable body, and a brake unit configured to maintain the turnable body in a state where the turning of the turnable body is stopped. The turning speed reducer includes a planetary speed reducer including a planetary carrier. The planetary carrier includes an output shaft part that forms an output shaft and a carrier part that holds a planetary gear in such a manner as to allow the rotation of the planetary gear. The output shaft part and the carrier part are fastened by a fastening member.Type: ApplicationFiled: March 19, 2014Publication date: October 2, 2014Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Takeshi OKADA, Akihiko Inada, Terukazu Matsugi, Kazunori Hiranuma
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Publication number: 20140296017Abstract: A shovel includes a turning drive unit. The turning drive unit includes a turning electric motor, a turning speed reducer configured to transmit the rotational driving force of the turning electric motor to a turnable body, a brake unit configured to maintain the turnable body in a state where the turning of the turnable body is stopped, and a case forming a space in which the turning speed reducer and the brake unit are lubricated with lubricant oil and accommodated. A recess is formed in part of the case that forms a bottom surface of the space.Type: ApplicationFiled: March 19, 2014Publication date: October 2, 2014Applicant: SUMITOMO HEAVY INDUSTRIES, LTD.Inventors: Takeshi OKADA, Akihiko Inada, Terukazu Matsugi, Kazunori Hiranuma
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Publication number: 20140240952Abstract: An optical assembly that installs red, green, blue laser diodes (LDs) within a single package is disclosed. The LDs are mounted on a base via respective sub-mounts. Light emitted from the LDs is collimated by collimating lenses and multiplexed by two wavelength filters so as to align optical axes of the light. The multiplexed light has an axis substantially leveled with the axes of the red, green, and blue light measured from the top of the base.Type: ApplicationFiled: February 27, 2014Publication date: August 28, 2014Applicant: Sumitomo Electric Industries, Ltd.Inventors: Hiromi NAKANISHI, Takeshi OKADA
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Publication number: 20140218156Abstract: A reactor includes: a bobbin including flanges at ends of a winding range of a winding, at least one of the flanges being provided with a slit or a hole; a coil formed in a shape in which the winding having a lead portion is wound around the bobbin, the coil being molded by resin, and the lead portion penetrating through the slit or the hole; and a plate through which the lead portion of the coil penetrates, the plate contacting with a circumferential edge of the slit or the hole of the flange so as to close the slit or the hole.Type: ApplicationFiled: January 31, 2014Publication date: August 7, 2014Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, TOKAI KOGYO CO., LTD.Inventors: Nobuki SHINOHARA, Shuichi HIRATA, Takeshi OKADA, Yoshikazu KAMIKAWA, Kazuo HIRASAWA
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Publication number: 20140160759Abstract: A light emitting device wherein discoloration of a reflective layer in an optical component can be prevented and a stable optical output power can be maintained, and a method of manufacturing an optical component used in the light emitting device. The optical component includes a supporting member defining a through-hole, a reflective layer formed on an inner wall defining the through-hole, a protective layer formed on the reflective layer, and a light transmissive member having a light incident surface, a light emitting surface, and an outer circumference side-surface, and disposed in the through hole. The light transmissive member is fixed in the through-hole with a joining portion where the outer circumference side-surface and the protective layer are joined, and an end portion at the light emitting side of the joining portion is covered with a second protective layer disposed continuously on the protective layer and the light transmissive member.Type: ApplicationFiled: December 6, 2013Publication date: June 12, 2014Applicant: NICHIA CORPORATIONInventors: Yukihiro HAYASHI, Naoto MORIZUMI, Takeshi OKADA
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Publication number: 20140002092Abstract: An electromagnetic opening/closing device comprises: a measurement part that measure a change associated with opening/closing of a contact (the number of times the contact has been opened or closed); a life determining part that determines a state of the contact, based on the change (the number of times the contact has been opened or closed) measured by the measurement part; and an output part that outputs the determined result by the life determining part to outside. Accordingly, differently from the conventional technique, an apparatus, equipped with the electromagnetic opening/closing device, has no need to count the number of times the contact has been opened or closed in order to manage the lifetime of the device, and it is possible to easily manage the lifetime compared with conventional devices.Type: ApplicationFiled: March 9, 2012Publication date: January 2, 2014Applicant: PANASONIC CORPORATIONInventors: Kazuhiro Kodama, Takeshi Okada
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Publication number: 20130335174Abstract: An electromagnetic opening/closing device A1 includes a detector 5 for detecting an opened or closed state of a contact unit 1; a malfunction determination unit 6 configured to determine presence or absence of malfunction based on the opened or closed state of the contact unit 1 detected through the detector 5 and an opened or closed state of the contact unit 1 corresponding to an exterior command; and an output unit 8 configured to supply an exterior with a determination result by the malfunction determination unit 6.Type: ApplicationFiled: March 7, 2012Publication date: December 19, 2013Applicant: PANASONIC CORPORATIONInventors: Kazuhiro Kodama, Takeshi Okada
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Publication number: 20130294726Abstract: An optical module to emit light is disclosed where the optical module enhances the coupling efficiency between an LD and the optical fiber without increasing complexity in the optical alignment. The optical module includes a first aspheric lens and a second aspheric lens, where the first lens is implemented with a cap of the module; while, the second lens is supported in the holder on the cap. The holder may align with the cap. The lens system of the optical module shows the magnification of about 4 to 7, and the NA in a side of the optical fiber is equal to or greater than 0.13, while, that in the opposite side is equal to or greater than 0.65.Type: ApplicationFiled: February 7, 2012Publication date: November 7, 2013Applicant: SUMITOMO ELECTRIC DEVICE INNOVATIONS, INC.Inventor: Takeshi Okada
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Publication number: 20130289458Abstract: A knee brace capable of correction only in a required angle range and of reproducing a normal screw-home movement in a knee joint of a knee osteoarthritis patient having outer and inner leg joints including first and second couplings coupled at coupling portions. The coupling portion includes a cam groove, a long groove, a rotation fulcrum shaft, and a cam shaft. When flexing the knee, the rotation fulcrum shaft and the cam shaft slide in the long groove and the cam groove and the second coupling rotates around the coupling portion with respect to the first coupling to flex the leg joints, and when extending the leg joints, the rotation fulcrum shaft and the cam shaft slide in the long groove and the cam groove to move the second coupling on the outer leg side upward and rearward and the second coupling on the inner leg side downward and forward.Type: ApplicationFiled: September 14, 2011Publication date: October 31, 2013Applicant: AITORINO CO., LTD.Inventors: Takeshi Okada, Seiji Inoue
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Publication number: 20130251316Abstract: An optical module with an optical subassembly precisely aligned with an optical fiber is disclosed even when the optical axis of the optical subassembly and that of the optical fiber are perpendicular to each other. The optical module has an auxiliary with a knob and a flange each having a concentric circular periphery. The knob is held by chuck of the welding apparatus, while, the optical subassembly is fixed to the flange. Even when the optical subassembly is slid on the flange to align optically with the optical fiber, the positions of the laser beams for welding are kept on the periphery of the flange.Type: ApplicationFiled: March 12, 2013Publication date: September 26, 2013Applicant: Sumitomo Electric Device Innovations, Inc.Inventor: Takeshi OKADA
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Patent number: 8539668Abstract: An apparatus for manufacturing a temporary substrate includes a jig having a table, a holding guide for positioning constituent members of the temporary substrate, a holding unit for holding the laminated constituent members, and a heater unit for performing a temporary bonding on the laminated constituent members, and further includes a drive mechanism for moving each member constituting the jig between a standby position and an in-use position. The holding guide has a plurality of step portions formed in such a manner that peripheries of the step portions define areas corresponding to outer sizes of the respective constituent members when the holding guide is moved to the in-use position. The temporary substrate has as the constituent members, a prepreg, inner metal foils respectively stacked on both surfaces of the prepreg and each having a smaller outer size than the prepreg, and outer metal foils respectively stacked on the inner metal foils and each having a larger outer size than the prepreg.Type: GrantFiled: May 25, 2011Date of Patent: September 24, 2013Assignee: Shinko Electric Industries Co., Ltd.Inventors: Takeshi Okada, Kazuhiro Kobayashi
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Publication number: 20130229193Abstract: An electrostatic capacitance sensor 1 includes a semiconductor substrate 4. A first fixing plate 2 is joined to a one-side surface 4a of the semiconductor substrate 4, and a second fixing plate 3 is joined to other-side surface 4b of the semiconductor substrate 4, whereby a space portion S is formed. Then, static electricity suppressing means 70 for suppressing static electricity from being generated in the space portion S is provided in the electrostatic capacitance sensor 1.Type: ApplicationFiled: March 1, 2013Publication date: September 5, 2013Applicant: PANASONIC CORPORATIONInventors: Katsumi KAKIMOTO, Hitoshi YOSHIDA, Nobuyuki IBARA, Shinichi KISHIMOTO, Hideki UEDA, Takeshi OKADA, Takeshi MORI, Masatoshi NOMURA, Jun OGIHARA