Patents by Inventor Toshio Takahashi
Toshio 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: 20160349505Abstract: A zoom lens includes a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a negative refractive power. At the time of zooming, distances between the lens units change, and a distance between the first lens unit and the second lens unit at a telephoto end is shorter than at a wide angle end. An aperture stop is disposed on the image side of an image-side surface of the first lens unit, and on the object side of an image-side surface of the second lens unit. The second lens unit includes two sub lens units. The object-side sub lens unit in the second lens unit includes one lens component. The following conditional expressions are satisfied. 3.0<?D12/ERS<4.5 1.05<|f3/fUN21|<2.Type: ApplicationFiled: August 10, 2016Publication date: December 1, 2016Inventors: Kazuteru Kawamura, Akiko Naito, Keitaro Yokoyama, Toshio Takahashi
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Patent number: 9473043Abstract: According to an exemplary implementation, an integrated circuit (IC) includes a logic circuit monolithically formed on the IC. The logic circuit is configured to generate modulation signals for controlling power switches of a power inverter. The logic circuit generates the modulation signals based on at least one input value. The IC further includes a voltage level shifter monolithically formed on the IC. The voltage level shifter is configured to shift the modulation signals to a voltage level suitable for driving the power switches of the power inverter. The logic circuit can be a digital logic circuit and the input value can be a digital input value. The IC can also include a sense circuit monolithically formed on the IC. The sense circuit is configured to generate the input value.Type: GrantFiled: March 31, 2015Date of Patent: October 18, 2016Assignee: Infineon Technologies Americas Corp.Inventors: Marco Giandalia, Toshio Takahashi, Massimo Grasso
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Patent number: 9465204Abstract: A zoom lens includes a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a negative refractive power. At the time of zooming, distances between the lens units change, and a distance between the first lens unit and the second lens unit at a telephoto end is shorter than at a wide angle end. An aperture stop is disposed on the image side of an image-side surface of the first lens unit, and on the object side of an image-side surface of the second lens unit. The second lens unit includes two sub lens units. The object-side sub lens unit in the second lens unit includes one lens component. The following conditional expressions are satisfied. 3.0<?D12/ERS<4.5 1.05<|f3/fUN21|<2.Type: GrantFiled: May 29, 2014Date of Patent: October 11, 2016Assignee: Olympus CorporationInventors: Kazuteru Kawamura, Akiko Naito, Keitaro Yokoyama, Toshio Takahashi
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Patent number: 9449957Abstract: According to an exemplary implementation, a power quad flat no-lead (PQFN) leadframe includes U-phase and W-phase power switches situated on the PQFN leadframe and respectively connected to a U-phase output strip and a W-phase output pad of the PQFN leadframe. The PQFN leadframe further includes a common integrated circuit (IC) including a driver circuit and a control circuit where the common IC is connected to the U-phase output strip and to the W-phase output pad of the PQFN leadframe. The PQFN leadframe can also include a V-phase power switch situated on the PQFN leadframe where the V-phase power switch is connected to a V-phase output strip of the PQFN leadframe.Type: GrantFiled: January 8, 2014Date of Patent: September 20, 2016Assignee: Infineon Technologies Americas Corp.Inventors: Dean Fernando, Roel Barbosa, Toshio Takahashi
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Publication number: 20160269582Abstract: An image reading apparatus including: an illumination device configured to illuminate an original; and a solid-state image sensor configured to receive and convert a reflected light from the original into an image signal, wherein the illumination device includes: a plurality of light emitting elements; and a light guide configured to guide light emitted from the light emitting elements toward the original, wherein the light guide includes: a deflection surface configured to deflect the light emitted from the light emitting elements to direct the light toward the original; and an emission surface configured to emit the light deflected by the deflection surface toward the original, wherein the deflection surface has a plurality of first curved optical surfaces provided side by side in a longitudinal direction of the light guide, and wherein the emission surface has a plurality of second curved optical surfaces provided side by side in the longitudinal direction.Type: ApplicationFiled: March 2, 2016Publication date: September 15, 2016Inventor: Toshio Takahashi
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Patent number: 9443795Abstract: According to an exemplary implementation, a power quad flat no-lead (PQFN) package includes a multi-phase inverter situated on a leadframe. The PQFN package further includes drivers situated on the leadframe and configured to drive the multi-phase inverter. The PQFN package also includes bootstrap diodes respectively coupled to the drivers. The bootstrap diodes are in a common integrated circuit (IC) that is situated on the leadframe. The common IC can include the drivers. The drivers can be high side drivers that are coupled to high side power switches of the multi-phase inverter. Also, the bootstrap diodes can be coupled to a supply voltage terminal of the PQFN package. Furthermore, the PQFN package can include wirebonds coupling the common IC to bootstrap supply voltage terminals of the PQFN package.Type: GrantFiled: December 24, 2013Date of Patent: September 13, 2016Assignee: Infineon Technologies Americas Corp.Inventors: Dean Fernando, Roel Barbosa, Toshio Takahashi
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Patent number: 9392161Abstract: An imaging apparatus includes: an imaging optical system having a variable power lens and a focus lens; an imaging element that generates image data via the imaging optical system; a movable frame that holds the focus lens and is movable along an optical axis of the imaging optical system; a first driving unit that causes the movable frame to move toward an in-focus position along the optical axis direction; a focus sensitivity determination unit that, based on a zoom position of the variable power lens, determines whether a focus sensitivity indicating a ratio of a change amount of the in-focus position to a movement amount of the focus lens is equal to or smaller than a specified value; and a driving controller that drives the first driving unit to move the movable frame to the in-focus position if the focus sensitivity is larger than the specified value.Type: GrantFiled: July 21, 2014Date of Patent: July 12, 2016Assignee: OLYMPUS CORPORATIONInventors: Sumio Kawai, Toshio Takahashi, Kunio Yamamiya
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Patent number: 9386182Abstract: A document reading apparatus includes a sensor configured to receive light from a document, an imaging lens configured to form an image of light from the document on the sensor, a first holding member to which the imaging lens is fixed, and a second holding member to which the sensor is fixed, wherein the first holding member and the second holding member are fixed using an adhesive and solder.Type: GrantFiled: February 25, 2015Date of Patent: July 5, 2016Assignee: Canon Kabushiki KaishaInventor: Toshio Takahashi
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Patent number: 9376938Abstract: The waste heat power generator (G) includes: an evaporator (1) configured to produce steam of a working medium; a power-generating device (2, 2a, 2b) configured to generate electric power while expanding the steam; a condenser (3) configured to condense the steam which has passed through the power-generating device (2, 2a, 2b); and a pump (5) configured to send the condensed working medium to the evaporator (1). A bottom portion (BT) of the power-generating device (2, 2a, 2b) is provided with a discharge port (8) configured to discharge the working medium liquefied inside the power-generating device (2, 2a, 2b), to the outside thereof. A discharge pipe (6) is provided in which one end thereof is connected to the discharge port (8) and the other end thereof is disposed in a channel for the working medium between the condenser (3) and the pump (5).Type: GrantFiled: June 21, 2012Date of Patent: June 28, 2016Assignee: IHI CORPORATIONInventors: Toshio Takahashi, Hirohisa Wakisaka, Kouichi Machida
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Patent number: 9363411Abstract: A data certification system includes a proof information generation unit that generates certification information for certifying non-falsification of raw data, and generates proof information including the certification information and time information representing the time of the generation of the certification information. A server transmission unit transmits the proof information which is received by a client reception unit. A time information acquisition unit acquires the time information representing the time of the generation of the certification information from the proof information. A report generation unit generates report data in which the time information and publishing destination information representing a publishing destination are included in the raw data. A transfer unit transfers the raw data, the proof information, and the report data to a publishing server which releases the report data. An output unit outputs the report data.Type: GrantFiled: April 27, 2012Date of Patent: June 7, 2016Assignee: SEIKO INSTRUMENTS INC.Inventors: Shinichi Murao, Masakazu Uehata, Hitoshi Yoshida, Toshio Takahashi
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Patent number: 9324646Abstract: According to an exemplary implementation, a power quad flat no-lead (PQFN) leadframe includes U-phase, V-phase, and W-phase power switches situated on the PQFN leadframe. A drain of the U-phase power switch is connected to a U-phase output strip of the PQFN leadframe. A source of the U-phase power switch is connected to a U-phase current sense terminal. The U-phase output strip can substantially traverse across the PQFN leadframe. Another U-phase power switch is situated on the PQFN leadframe with a source of the another U-phase power switch connected to the U-phase output strip of the PQFN leadframe. The PQFN leadframe can include a leadframe island within the U-phase output strip. At least one wirebond may be connected to the U-phase output strip.Type: GrantFiled: December 10, 2013Date of Patent: April 26, 2016Assignee: Infineon Technologies America Corp.Inventors: Dean Fernando, Roel Barbosa, Toshio Takahashi
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Publication number: 20160077318Abstract: A zoom lens includes in order from an object side to an image side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a negative refractive power. At the time of zooming, distances between the lens units change, and a distance between the first lens unit and the second lens unit at a telephoto end is shorter than a distance between the first lens unit and the second lens unit at a wide angle end, and an aperture stop is disposed on an image side of an image-side surface of the first lens unit, and on an object side of an image-side surface of the second lens unit, and the zoom lens satisfies the conditional expressions.Type: ApplicationFiled: November 24, 2015Publication date: March 17, 2016Inventors: Kazuteru Kawamura, Akiko Naito, Keitaro Yokoyama, Toshio Takahashi
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Publication number: 20160069825Abstract: It is an object of the present invention to provide a method and an apparatus for measuring a scattering intensity distribution capable of measuring a scattering intensity distribution in a reciprocal space in a short time.Type: ApplicationFiled: December 10, 2013Publication date: March 10, 2016Applicant: Inter-University Research Institute Corporation High Energy Accelerator Research OrganizationInventors: Tadashi Matsushita, Wolfgang Voegeli, Tetsuro Shirasawa, Toshio Takahashi, Etsuo Arakawa
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Patent number: 9249336Abstract: Provided is a curable composition for inkjet capable of improving uniformity of a cured product film and heat resistance of a cured product. The curable composition for inkjet according to the present invention contains a compound having a (meth)acryloyl group and a cyclic ether group, a photoreactive compound, a compound having a cyclic ether group, a photopolymerization initiator, and a potential curing agent, the photoreactive compound and the compound having a cyclic ether group each are a compound other than the compound having a (meth)acryloyl group and a cyclic ether group, the compound having a (meth)acryloyl group and a cyclic ether group has one or two (meth)acryloyl groups, and the viscosity at 25° C. of the curable composition for inkjet according to the present invention is 160 mPa·s or more and 1200 mPa·s or less.Type: GrantFiled: September 20, 2011Date of Patent: February 2, 2016Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Michihisa Ueda, Takashi Watanabe, Shigeru Nakamura, Shuuji Kage, Toshio Takahashi, Takanori Inoue
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Patent number: 9235037Abstract: A zoom lens includes in order from an object side to an image side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a negative refractive power. At the time of zooming, distances between the lens units change, and a distance between the first lens unit and the second lens unit at a telephoto end is shorter than a distance between the first lens unit and the second lens unit at a wide angle end, and an aperture stop is disposed on an image side of an image-side surface of the first lens unit, and on an object side of an image-side surface of the second lens unit, and the zoom lens satisfies the conditional expressions.Type: GrantFiled: June 19, 2014Date of Patent: January 12, 2016Assignee: OLYMPUS CORPORATIONInventors: Kazuteru Kawamura, Akiko Naito, Keitaro Yokoyama, Toshio Takahashi
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Publication number: 20160004054Abstract: A zoom lens comprises four lens unit, and at the time of zooming, each of a distance between a first positive lens unit and a first negative lens unit and a distance between a second negative lens unit and a second positive lens unit changes, and a distance between the first positive lens unit and the second negative lens unit widens more at the telephoto end than at the wide angle end, and the first positive lens unit includes an object-side sub-lens unit and an image-side sub-lens unit, and an aperture stop is disposed between the object-side sub-lens unit and the image-side sub-lens unit, and the first negative lens unit includes a negative lens and a positive lens, and a refracting surface nearest to an image in the first negative lens unit is concave toward the image side, and a refracting surface nearest to an object in the second positive lens unit is concave toward the object side, and a refracting surface nearest to the image in the second positive lens unit is convex toward the image side, and the zType: ApplicationFiled: September 17, 2015Publication date: January 7, 2016Inventors: Kazuteru Kawamura, Akiko Naito, Keitaro Yokoyama, Toshio Takahashi
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Publication number: 20150370049Abstract: The 1st positive lens unit is located closer to the object side at the telephoto end than at the wide angle end. The distance between the 1st negative lens unit and the 1st positive lens unit is larger at the telephoto end than at the wide angle end. The distance between the image side lens unit group and the 1st negative lens unit varies during zooming from the wide angle end to the telephoto end. The image side lens unit group comprises a 2nd positive lens unit and a 3rd positive lens unit. The distance between the 2nd positive lens unit and the 1st negative lens unit is smaller at the telephoto end than at the wide angle end. The distance between the 3rd positive lens unit and the 2nd positive lens unit varies during zooming from the wide angle end to the telephoto end.Type: ApplicationFiled: August 31, 2015Publication date: December 24, 2015Inventors: Toshio Takahashi, Hiroshi Kodama
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Publication number: 20150370053Abstract: In a zoom lens of a fixed total length, at the time of changing the magnification from the wide-angle end toward the telephoto end, the first lens group is anchored while the second lens group is moved, and the third and fourth lens groups are moved so as to be located at the object side of the telephoto end relative to the wide-angle end, such that: the interval between the second and third lens groups is decreased at the telephoto end relative to the wide-angle end; the interval between the third and fourth lens groups is increased at the telephoto end relative to the wide-angle end; and the interval between the fourth and fifth lens groups is increased at the telephoto end relative to the wide-angle end, and at the time of focusing a near object point from a remote object point, the second lens group is moved.Type: ApplicationFiled: June 23, 2015Publication date: December 24, 2015Inventors: Hirohiko Kimata, Yasuharu Yamada, Kenichi Nagasawa, Hiroshi Kodama, Toshio Takahashi, Kento Kokubu
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Patent number: 9219404Abstract: This waste heat power generator (G) includes: an evaporator (1) to recover heat energy and to produce a vapor of a working medium; a power-generating device (2) to generate electric power while expanding the vapor; a condenser (3) to condense the vapor which has passed through the power-generating device; a pump (4) to send the working medium which has been condensed at the condenser to the evaporator; and a grease supply device (5) to supply the power-generating device with a grease used to lubricate bearings provided in the power-generating device.Type: GrantFiled: August 18, 2011Date of Patent: December 22, 2015Assignee: IHI CORPORATIONInventors: Toshio Takahashi, Hirohisa Wakisaka
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Patent number: 9158098Abstract: The 1st positive lens unit is located closer to the object side at the telephoto end than at the wide angle end. The distance between the 1st negative lens unit and the 1st positive lens unit is larger at the telephoto end than at the wide angle end. The distance between the image side lens unit group and the 1st negative lens unit varies during zooming from the wide angle end to the telephoto end. The image side lens unit group comprises a 2nd positive lens unit and a 3rd positive lens unit. The distance between the 2nd positive lens unit and the 1st negative lens unit is smaller at the telephoto end than at the wide angle end. The distance between the 3rd positive lens unit and the 2nd positive lens unit varies during zooming from the wide angle end to the telephoto end.Type: GrantFiled: July 5, 2013Date of Patent: October 13, 2015Assignee: OLYMPUS CORPORATIONInventors: Toshio Takahashi, Hiroshi Kodama