Patents by Inventor Shintaro Takahashi
Shintaro Takahashi 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: 20150028193Abstract: A laser scanning type observation apparatus includes a pulsed-laser oscillation means irradiating pulsed laser to an object, a detector receiving light from the object to output a detection signal, a means detecting pulsed-laser oscillation to output a synchronous signal, a circuit delaying the synchronous signal for an optional amount of time to output a trigger signal, a means sampling the detection signal in synchronization with the trigger signal, a memory storing the sampled detection signal, a setting unit capable of setting delay time for delaying the synchronous signal in two or more stages within one period of the synchronous signal, and a decision unit determining an optimum delay stage for image formation using data on intensities of the detection signal at the respective delay stages, wherein the setting means fixes delay time for delaying the synchronous signal at delay time corresponding to the delay stage determined by the decision unit.Type: ApplicationFiled: August 13, 2014Publication date: January 29, 2015Applicant: OLYMPUS CORPORATIONInventors: Ken FUJINUMA, Shintaro TAKAHASHI
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Publication number: 20140363626Abstract: A method of manufacturing a glass substrate having a through hole, includes preparing a glass substrate having an average coefficient of thermal expansion in a range of 55×0?7/K to 120×10?7/K at 50° C. to 300° C., and a thickness of 0.2 mm or greater and 1 mm or less, and forming the through hole in the glass substrate using a laser-guided discharge technique.Type: ApplicationFiled: August 21, 2014Publication date: December 11, 2014Inventors: Shintaro TAKAHASHI, Leander Dittmann, Adrien Chaize
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Publication number: 20140246560Abstract: Provided is an optical scanning apparatus including: a deflector capable of deflecting an entering beam while switching an advancing direction thereof among a plurality of direction at a predetermined switching timing; a mirror array including a plurality of angle setting mirrors that are placed at angles different from one another on respective optical paths of the beams deflected by the deflector, each of the angle setting mirrors reflecting the beam while giving thereto a relative angle on the same plane for each optical path, and gathering the beam on the same point; and a first scanner that is provided so as to be swingable about an axial line perpendicular to the plane in synchronization with the switching timing, the first scanner reflecting each beam that is caused by the mirror array to enter the same point from a different direction and applying for scanning the beam along the same trajectory.Type: ApplicationFiled: May 16, 2014Publication date: September 4, 2014Applicant: OLYMPUS CORPORATIONInventor: Shintaro TAKAHASHI
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Publication number: 20140217075Abstract: A method including (a) preparing an insulating substrate, and (b) forming n (n is an integer equal to or greater than 9) through holes on the insulating substrate in a through hole density in a range of 1000 pieces/cm2 to 20000 pieces/cm2 at a pitch P (?m) in a range of 20 ?m to 300 ?m, wherein (b) is performed on a front surface of the insulating substrate and includes (b1) forming a first through hole at a first target position, (b2) forming a second through hole at a second target position, wherein a distance between the first target position and the second target position is greater than the pitch P (?m) . . . , and (bn) forming an n-th final through hole at an n-th target position, wherein a distance between the (n?1) target position and the n-th target position is greater than the pitch P (?m).Type: ApplicationFiled: April 14, 2014Publication date: August 7, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Shintaro TAKAHASHI, Satoshi MORI
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Publication number: 20130301096Abstract: A scanning rate is increased without causing the light utilization efficiency to decrease. An optical scanning device includes a polarization switching unit that switches the polarization direction of a beam at a predetermined switching timing; at least one polarization beam splitter that splits the beam into two optical paths in accordance with the polarization direction switched by the polarization switching unit; a reflecting optical system that causes the beams split by the polarization beam splitter to have relative angles in the same plane so as to make the beams meet at the same location; and a scanner that scans the beams made to meet at the same location by means of the reflecting optical system in a direction parallel to the plane in synchronization with the switching timing of the polarization switching unit.Type: ApplicationFiled: July 11, 2013Publication date: November 14, 2013Inventor: Shintaro TAKAHASHI
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Publication number: 20120271111Abstract: While one beam is being branched into a plurality of beams with different optical path lengths, the beams can be converged on the same position in the optical-axis direction with a simple structure even when relative angles between the beams differ. Provided is a beam splitter apparatus including a beam splitter that branches an input pulsed beam into two optical paths with different optical path lengths; relay optical systems that are disposed in the respective branching optical paths and that relay pupils in the optical paths; a beam splitter that multiplexes the relayed pulsed beams in the two optical paths; and a reflection optical system that endows pulsed beams branching off via the beam splitter with a relative angle.Type: ApplicationFiled: May 1, 2012Publication date: October 25, 2012Applicant: OLYMPUS CORPORATIONInventors: Mitsuru NAMIKI, Yohei TANIKAWA, Yasunobu IGA, Shintaro TAKAHASHI
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Publication number: 20120250385Abstract: A temperature detecting apparatus includes a temperature detecting circuit configured to output a first pulse signal according to a temperature detected by a temperature sensor, and an insulating transformer configured to transmit the first pulse signal to an integrated circuit which is operated by an operation voltage different from that of the temperature detecting circuit. The insulating transformer is installed between the temperature detecting circuit and the integrated circuit. The temperature detecting circuit and the insulating transformer are mounted on a common substrate.Type: ApplicationFiled: March 30, 2012Publication date: October 4, 2012Applicant: Rohm Co., Ltd.Inventors: HIROTAKA TAKIHARA, SHINTARO TAKAHASHI
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Patent number: 7959385Abstract: A printed circuit board machining apparatus includes a spindle that holds a tool for machining a printed circuit board and a pressure unit for pressing the printed circuit board to a table in machining the printed circuit board. The pressure unit includes a pressure foot movable up an down along the spindle, a rotating member having a plurality of pressure pieces through which a through hole for passing the tool is formed and provided so as to select one among the plurality of pressure pieces, a motor for moving the rotating member, cylinders and electromagnetic valves for moving the pressure foot up and down and a control section for controlling the cylinders and electromagnetic valves. The control section rotates the motor so as to select the pressure piece and controls the cylinders and the electromagnetic valves to change force for pressing the printed circuit board.Type: GrantFiled: May 21, 2008Date of Patent: June 14, 2011Assignee: Hitachi Via Mechanics, Ltd.Inventors: Hirofumi Kado, Hiroyuki Kamata, Shintaro Takahashi, Katsuhiro Nagasawa
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Publication number: 20080292416Abstract: A printed circuit board machining apparatus includes a spindle that holds a tool for machining a printed circuit board and a pressure unit for pressing the printed circuit board to a table in machining the printed circuit board. The pressure unit includes a pressure foot movable up an down along the spindle, a rotating member having a plurality of pressure pieces through which a through hole for passing the tool is formed and provided so as to select one among the plurality of pressure pieces, a motor for moving the rotating member, cylinders and electromagnetic valves for moving the pressure foot up and down and a control section for controlling the cylinders and electromagnetic valves. The control section rotates the motor so as to select the pressure piece and controls the cylinders and the electromagnetic valves to change force for pressing the printed circuit board.Type: ApplicationFiled: May 21, 2008Publication date: November 27, 2008Inventors: Hirofumi Kado, Hiroyuki Kamata, Shintaro Takahashi, Katsuhiro Nagasawa
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Patent number: 6224334Abstract: A steam turbine comprising a rotor shaft integrating high and low pressure portions provided with blades at the final stage thereof having a length not less than 30 inches, wherein a steam temperature at first stage blades is 530° C., a ratio (L/D) of a length (L) defined between bearings of the rotor shaft to a diameter (D) measured between the terminal ends of final stage blades is 1.4 to 2.3. This rotor shaft is composed of heat resisting steel containing by weight 0.15 to 0.4% C, not more than 0.1% Si, 0.05 to 0.25% Mn, 1.5 to 2.5% Ni, 0.8 to 2.5% Cr, 0.8 to 2.5% Mo and 0.15 to 0.35% V and, further, the heat resisting steel may contain at least one of Nb, Ta, W, Ti, Al, Zr, B, Ca, and rare earth elements.Type: GrantFiled: January 8, 1997Date of Patent: May 1, 2001Assignee: Hitachi, Ltd.Inventors: Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko, Takeshi Onoda, Hidefumi Kajiwara, Yasuo Watanabe, Shintaro Takahashi, Toshimi Tan
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Patent number: 5923268Abstract: An improvement on a universal type remote controller having a plurality of target device modes corresponding in number to a plurality of devices to be controlled. In response to one key operation of a key on a keyboard, a microcomputer in one selected target device mode generates a main remote control signal and an additional remote control signal. The main remote control signal has a code format decodable by the target device, and the additional remote control signal has a code format decodable by a predetermined device other than the target device. The additional remote control signal is used for instructing the predetermined device to display the control contents of the target device.Type: GrantFiled: January 29, 1997Date of Patent: July 13, 1999Assignee: Kabushiki Kaisha KenwoodInventors: Shintaro Takahashi, Hidehiro Ohashi, Satoshi Kimura, Brian D. Towne
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Patent number: 5624235Abstract: The present invention relates to a steam turbine comprising a rotor shaft integrating high and low pressure portions provided with blades at the final stage thereof having a length not less than 30 inches, wherein a steam temperature at first stage blades is 530.degree. C., a ratio (L/D) of a length (L) defined between bearings of the rotor shaft to a diameter (D) measured between the terminal ends of final stage blades is 1.4 to 2.3. This rotor shaft is composed of heat resisting steel containing by weight 0.15 to 0.4 % C, not more than 0.1 % Si, 0.05 to 0.25 % Mn, 1.5 to 2.5 % Ni, 0.8 to 2.5 % Cr, 0.8 to 2.5 % Mo and 0.15 to 0.35 % V and, further, the heat resisting steel may contain at least one of Nb, Ta, W, Ti, Al, Zr, B, Ca, and rare earth elements.Type: GrantFiled: September 20, 1995Date of Patent: April 29, 1997Assignee: Hitachi, Ltd.Inventors: Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko, Takeshi Onoda, Hidefumi Kajiwara, Yasuo Watanabe, Shintaro Takahashi, Toshimi Tan
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Patent number: 5569338Abstract: The present invention relates to a steam turbine comprising a rotor shaft integrating high and low pressure portions provided with blades at the final stage thereof having a length not less than 30 inches, wherein a steam temperature at first stage blades is 530.degree. C., a ratio (L/D) of a length (L) defined between bearings of the rotor shaft to a diameter (D) measured between the terminal ends of final stage blades is 1.4 to 2.3. This rotor shaft is composed of heat resisting steel containing by weight 0.15 to 0.4% C, not more than 0.1% Si, 0.05 to 0.25% Mn, 1.5 to 2.5% Ni, 0.8 to 2.5% Cr, 0.8 to 2.5% Mo and 0.15 to 0.35% V and, further, the heat resisting steel may contain at least one of Nb, Ta, W, Ti, Al, Zr, B, Ca, and rare earth elements.Type: GrantFiled: June 5, 1995Date of Patent: October 29, 1996Assignee: Hitachi, Ltd.Inventors: Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko, Takeshi Onoda, Hidefumi Kajiwara, Yasuo Watanabe, Shintaro Takahashi, Toshimi Tan
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Patent number: 5536146Abstract: The present invention relates to a steam turbine comprising a rotor shaft integrating high and low pressure portions provided with blades at the final stage thereof having a length not less than 30 inches, wherein a steam temperature at first stage blades is 530.degree. C., a ratio (L/D) of a length (L) defined between bearings of the rotor shaft to a diameter (D) measured between the terminal ends of final stage blades is 1.4 to 2.3. This rotor shaft is composed of heat resisting steel containing by weight 0.15 to 0.4% C, not more than 0.1% Si, 0.05 to 0.25% Mn, 1.5 to 2.5% Ni, 0.8 to 2.5% Cr, 0.8 to 2.5% Mo and 0.15 to 0.35% V and, further, the heat resisting steel may contain at least one of Nb, Ta, W, Ti, Al, Zr, B, Ca, and rare earth elements.Type: GrantFiled: September 13, 1994Date of Patent: July 16, 1996Assignee: Hitachi, Ltd.Inventors: Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko, Takeshi Onoda, Hidefumi Kajiwara, Yasuo Watanabe, Shintaro Takahashi, Toshimi Tan
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Patent number: 5383768Abstract: The present invention relates to a steam turbine comprising a rotor shaft integrating high and low pressure portions provided with blades at the final stage thereof having a length not less than 30 inches, wherein a steam temperature at first stage blades is 530.degree. C., a ratio (L/D) of a length (L) defined between bearings of the rotor shaft to a diameter (D) measured between the terminal ends of final stage blades is 1.4 to 2.3. This rotor shaft is composed of heat resisting steel containing by weight 0.15 to 0.4% C, not more than 0.1% Si, 0.05 to 0.25% Mn, 1.5 to 2.5% Ni, 0.8 to 2.5% Cr, 0.8 to 2.5% Mo and 0.15 to 0.35% V and, further, the heat resisting steel may contain at least one of Nb, Ta, W, Ti, Al, Zr, B, Ca, and rare earth elements.Type: GrantFiled: June 3, 1992Date of Patent: January 24, 1995Assignee: Hitachi, Ltd.Inventors: Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Yoshimi Maeno, Masateru Suwa, Ryoichi Kaneko, Takeshi Onoda, Hidefumi Kajiwara, Yasuo Watanabe, Shintaro Takahashi, Toshimi Tan
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Patent number: 5008072Abstract: A heat resistant steel of the present invention contains 0.05 to 0.2 wt. % of C, less than 0.5 wt. % of Si, less than 0.6 wt. % of Mn, 8 to 13 wt. % of Cr, 1.5 to 3 wt. % of Mo, 2 to 3 wt. % of Ni, 0.05 to 0.3 wt. % of V, 0.02 to 0.2 wt. % in total of either or both of Nb and Ta, 0.02 to 0.1 wt. % of N and the balance substantially Fe. Since a gas turbine of the present invention is constituted by members, such as discs, blades, shafts and so forth, made of alloys of this kind, the gas turbine has a structure in which it is possible to achieve a high level of creep rupture strength and Charpy impact value.Type: GrantFiled: May 16, 1989Date of Patent: April 16, 1991Assignee: Hitachi, Ltd.Inventors: Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Soichi Kurosawa, Katsumi Iijima, Nobuyuki Iizuka, Yosimi Maeno, Shintaro Takahashi, Yasuo Watanabe, Ryo Hiraga
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Patent number: 4850187Abstract: A heat resistant steel of the present invention contains 0.05 to 0.2 wt. % of C, less than 0.5 wt. % of Si, less than 0.6 wt. % of Mn, 8 to 13 wt. % of Cr, 1.5 to 3 wt. % of Mo, 2 to 3 wt. % of Ni, 0.05 to 0.3 wt. % of V, 0.02 to 0.2 wt. % in total of either or both of Nb and Ta, 0.02 to 0.1 wt. % of N and the balance substantially Fe. Since a gas turbine of the present invention is constituted by members, such as discs, blades, shafts and so forth, made of alloys of this kind, the gas turbine has a structure in which it is possible to achieve a high level of creep rupture strength and Charpy impact value.Type: GrantFiled: February 4, 1987Date of Patent: July 25, 1989Assignee: Hitachi, Ltd.Inventors: Masao Siga, Yutaka Fukui, Mitsuo Kuriyama, Soichi Kurosawa, Katsumi Iijima, Nobuyuki Iizuka, Yosimi Maeno, Shintaro Takahashi, Yasuo Watanabe, Ryo Hiraga
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Patent number: 4414024Abstract: This invention discloses martensitic heat-resistant steel consisting essentially of 0.1 to 0.2 wt. % of C, up to 0.4 wt. % of Si, up to 1 wt. % of Mn, 9 to 12 wt. % of Cr, 0.1 to 0.3 wt. % of V, 0.02 to 0.25 wt. % of Nb, 0.03 to 0.1 wt. % of N, up to 1 wt. % of Ni, molybdenum and tungsten in amounts falling within the range encompassed by lines connecting a point A (0.7 wt. % of Mo and 1.1 wt. % of W), a point B (1.2 wt. % of Mo and 1.1 wt. % of W), a point C (1.6 wt. % of Mo and 0.33 wt. % of W) and a point D (0.7 wt. % of Mo and 0.33 and wt. % of W) as shown in FIG. 1 and the balance of iron.The martensitic heat-resistant steel in accordance with the present invention is suitable for use in steam turbine blades and rotor shafts.Type: GrantFiled: August 26, 1982Date of Patent: November 8, 1983Assignee: Hitachi, Ltd.Inventors: Masao Siga, Seishin Kirihara, Mitsuo Kuriyama, Takatoshi Yosioka, Shintaro Takahashi, Takehiko Yoshida