Patents by Inventor Masahiro Imamura
Masahiro Imamura 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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Patent number: 10759304Abstract: A vehicle seat includes: a leg member, attached to a lower end portion of a seat main body movable between use and stowed positions and movable along with a seat main body, and a leg holding member, elastically deformable to hold a holding target portion of the leg member. The leg holding member includes separated first and second portions which are configured to hold the holding target portion having passed through an introduction opening of the leg holding member formed between the first and second portions with the holding target portion interposed between the first and second portions when the leg member moves along with the seat main body moving toward the use position. A deformation amount restriction portion restricts deformation generated when the leg holding member is elastically deformed so that the first and second portions are separated when the holding target portion passes through the introduction opening.Type: GrantFiled: August 27, 2018Date of Patent: September 1, 2020Assignees: TS Tech Co., Ltd., Honda Motor Co., Ltd.Inventors: Makoto Izumida, Yuji Ueno, Koki Sato, Masahiro Imamura
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Patent number: 10502937Abstract: A variable magnification optical system includes: in order from an object side, a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a third lens unit having a positive refractive power; and an image-side lens unit. The image-side lens unit includes a lens belonging to a first region and a lens belonging to a second region. At a time of changing magnification, the second lens unit and the third lens unit move.Type: GrantFiled: April 5, 2017Date of Patent: December 10, 2019Assignee: OLYMPUS CORPORATIONInventors: Kazuteru Kawamura, Koji Nakagawa, Masahiro Imamura
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Patent number: 10228843Abstract: An image processing apparatus includes a display for displaying operational information for executing image processing, an operation unit for giving an input instruction in association with a display region appearing on the display, and a controller for controlling the display in accordance with the input instruction on the operation unit. The controller is configured to determine whether an input instruction of a flick operation is given through the operation unit in association with a prescribed display region appearing on the display. If it is determined that the input instruction of the flick operation is given, the controller is configured to enlarge a range of the prescribed display region in which the input instruction is allowed, and to display the enlarged display region on the display.Type: GrantFiled: October 2, 2012Date of Patent: March 12, 2019Assignee: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.Inventors: Yoichi Kurumasa, Kenichi Sawada, Masahiro Imamura, Atsushi Tomita, Tetsuya Tokumoto, Ryosuke Nishimura, Takatsugu Kuno
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Publication number: 20190061560Abstract: A vehicle seat includes: a leg member, attached to a lower end portion of a seat main body movable between use and stowed positions and movable along with a seat main body, and a leg holding member, elastically deformable to hold a holding target portion of the leg member. The leg holding member includes separated first and second portions which are configured to hold the holding target portion having passed through an introduction opening of the leg holding member formed between the first and second portions with the holding target portion interposed between the first and second portions when the leg member moves along with the seat main body moving toward the use position. A deformation amount restriction portion restricts deformation generated when the leg holding member is elastically deformed so that the first and second portions are separated when the holding target portion passes through the introduction opening.Type: ApplicationFiled: August 27, 2018Publication date: February 28, 2019Inventors: Makoto Izumida, Yuji Ueno, Koki Sato, Masahiro Imamura
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Publication number: 20190022934Abstract: Provided are a manufacturing apparatus and method for a three-dimensional object, and a material supply unit to be used in the manufacturing apparatus for a three-dimensional object which make it possible to obtain an intended three-dimensional object formed by accumulating a shaping material and to hardly form an unnecessary portion on the surface of the three-dimensional object. A nozzle part (4) for ejecting a shaping material (81) is provided with a shut-off pin (5) for opening/closing a channel end part (41) from inside E1. When closing the channel end part (41), a stop position x (mm) of a tip (501) of the shut-off pin (5) with respect to the position of a tip (411) of the channel end part (41) satisfies a relation of ?3D?x?6D wherein an equivalent diameter of the channel end part (41) of the nozzle part 4 is represented as D (mm).Type: ApplicationFiled: September 2, 2016Publication date: January 24, 2019Applicant: JSR CORPORATIONInventors: Takashi KOBE, Toshikazu KURIKI, Reiji KAWASE, Masahiro IMAMURA
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Patent number: 9798120Abstract: A zoom lens includes in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a negative refractive power, and includes an aperture stop which is disposed between the second lens unit and the fourth lens unit, and the first lens unit includes a negative lens and a plurality of positive lenses, and at the time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit and the second lens unit widens, a distance between the second lens unit and the third lens unit narrows, and a distance between the third lens unit and the fourth lens unit changes, and the zoom lens satisfies predetermined conditional expressions.Type: GrantFiled: September 2, 2015Date of Patent: October 24, 2017Assignee: OLYMPUS CORPORATIONInventors: Takayuki Mimura, Masahiro Imamura, Takahiro Amanai
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Publication number: 20170293122Abstract: A variable magnification optical system includes: in order from an object side, a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a third lens unit having a positive refractive power; and an image-side lens unit. The image-side lens unit includes a lens belonging to a first region and a lens belonging to a second region. At a time of changing magnification, the second lens unit and the third lens unit move.Type: ApplicationFiled: April 5, 2017Publication date: October 12, 2017Applicant: OLYMPUS CORPORATIONInventors: Kazuteru KAWAMURA, Koji NAKAGAWA, Masahiro IMAMURA
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Patent number: 9753250Abstract: A wide angle lens includes in order from an object side, a front lens unit having a positive refractive power, one focusing lens having a negative refractive power, and a rear lens unit having a positive refractive power, and at the time of focusing, the focusing lens moves on an optical axis, and the following conditional expressions (1) and (2) are satisfied. 0.1<f1/SSD<0.5??(1) 3.Type: GrantFiled: May 19, 2015Date of Patent: September 5, 2017Assignee: OLYMPUS CORPORATIONInventors: Akinori Nishio, Masahiro Imamura, Tomoyuki Satori, Koji Nakagawa
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Patent number: 9513469Abstract: A zoom lens comprises a first lens unit G1 having a positive refractive power, a second lens unit G2 having a negative refractive power, and a plurality of lens units G3 and G4. Zooming from a wide angle end to a telephoto end is carried out by changing a distance between the lens units. One of the first lens unit G1 and the second lens unit G2 has, or both the first lens unit G1 and the second lens unit G2 have a specific arrangement.Type: GrantFiled: December 23, 2014Date of Patent: December 6, 2016Assignee: Olympus CorporationInventors: Akinori Nishio, Masahiro Imamura
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Publication number: 20160344003Abstract: This storage battery apparatus (201) comprises at least one storage battery module (250); at least one control module (241) configured to monitor a status of the storage battery; and a frame (210), having a plurality of supporting columns(215) for accommodating the storage battery module (250) and the control module (241). The supporting column (215) is a hollow member being at the ground potential, and a signal cable (Ls) for transmitting signals between the control modules is disposed within the supporting column (215).Type: ApplicationFiled: January 28, 2015Publication date: November 24, 2016Applicant: NEC CorporationInventors: Yousuke YAMADA, Masahiro IMAMURA
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Patent number: 9383558Abstract: A zoom lens comprising, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, a fourth lens unit having a negative refractive power, and a fifth lens unit having a positive refractive power. Each distance between the first lens unit and the second lens unit, between the third lens unit and the fourth lens unit, and between the fourth lens unit and the fourth lens unit at the telephoto end is longer than at the wide angle end, and a distance between the second lens unit and the third lens unit at the telephoto end is shorter than at the wide angle end, and the following conditional expressions are satisfied. 2<mg3t/mg3w<6 1.2<mg5t/mg5w<4 0.02<f5/ft<0.Type: GrantFiled: August 27, 2015Date of Patent: July 5, 2016Assignee: Olympus CorporationInventors: Masaru Morooka, Toyoki Kon, Masahiro Imamura, Minoru Ueda
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Publication number: 20150370050Abstract: A zoom lens includes in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a negative refractive power, and includes an aperture stop which is disposed between the second lens unit and the fourth lens unit, and the first lens unit includes a negative lens and a plurality of positive lenses, and at the time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit and the second lens unit widens, a distance between the second lens unit and the third lens unit narrows, and a distance between the third lens unit and the fourth lens unit changes, and the zoom lens satisfies predetermined conditional expressions.Type: ApplicationFiled: September 2, 2015Publication date: December 24, 2015Inventors: Takayuki Mimura, Masahiro Imamura, Takahiro Amanai
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Publication number: 20150370051Abstract: A zoom lens comprising, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, a fourth lens unit having a negative refractive power, and a fifth lens unit having a positive refractive power. Each distance between the first lens unit and the second lens unit, between the third lens unit and the fourth lens unit, and between the fourth lens unit and the fourth lens unit at the telephoto end is longer than at the wide angle end, and a distance between the second lens unit and the third lens unit at the telephoto end is shorter than at the wide angle end, and the following conditional expressions are satisfied. 2<mg3t/mg3w<6 1.2<mg5t/mg5w<4 0.02<f5/ft<0.Type: ApplicationFiled: August 27, 2015Publication date: December 24, 2015Inventors: Masaru Morooka, Toyoki Kon, Masahiro Imamura, Minoru Ueda
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Patent number: 9207441Abstract: A zoom lens includes, in order from the object 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 positive refractive power. The first lens unit includes a negative lens and a positive lens. The zoom lens satisfies the following conditional expression (1): ?d13/ft<0.4??(1) where ?d13 is the total sum of the thickness of the lenses included in the first to third lens units of the zoom lens on the optical axis, and ft is the focal length of the entire zoom lens system at the telephoto end.Type: GrantFiled: September 24, 2014Date of Patent: December 8, 2015Assignee: Olympus CorporationInventors: Minoru Ueda, Masahito Watanabe, Masahiro Imamura, Mayu Miki
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Publication number: 20150338605Abstract: A wide angle lens includes in order from an object side, a front lens unit having a positive refractive power, one focusing lens having a negative refractive power, and a rear lens unit having a positive refractive power, and at the time of focusing, the focusing lens moves on an optical axis, and the following conditional expressions (1) and (2) are satisfied. 0.1<f1/SSD<0.5??(1) 3.Type: ApplicationFiled: May 19, 2015Publication date: November 26, 2015Inventors: Akinori Nishio, Masahiro Imamura, Tomoyuki Satori, Koji Nakagawa
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Patent number: 9158099Abstract: A zoom lens includes in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, and a fourth lens unit having a negative refractive power, and includes an aperture stop which is disposed between the second lens unit and the fourth lens unit, and the first lens unit includes a negative lens and a plurality of positive lenses, and at the time of zooming from a wide angle end to a telephoto end, a distance between the first lens unit and the second lens unit widens, a distance between the second lens unit and the third lens unit narrows, and a distance between the third lens unit and the fourth lens unit changes, and the zoom lens satisfies predetermined conditional expressions.Type: GrantFiled: October 15, 2013Date of Patent: October 13, 2015Assignee: OLYMPUS CORPORATIONInventors: Takayuki Mimura, Masahiro Imamura, Takahiro Amanai
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Patent number: 9154705Abstract: A zoom lens comprising, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a positive refractive power, a fourth lens unit having a negative refractive power, and a fifth lens unit having a positive refractive power. Each distance between the first lens unit and the second lens unit, between the third lens unit and the fourth lens unit, and between the fourth lens unit and the fourth lens unit at the telephoto end is longer than at the wide angle end, and a distance between the second lens unit and the third lens unit at the telephoto end is shorter than at the wide angle end, and the following conditional expressions are satisfied. 2<mg3t/mg3w<6 1.2<mg5t/mg5w<4 0.02<f5/ft<0.Type: GrantFiled: June 13, 2014Date of Patent: October 6, 2015Assignee: OLYMPUS CORPORATIONInventors: Masaru Morooka, Toyoki Kon, Masahiro Imamura, Minoru Ueda
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Patent number: 9088724Abstract: During zooming from the wide angle end to the telephoto end, the distance between the first lens unit having a positive refractive power and the second lens unit having a negative refractive power, the distance between the second lens unit and the third lens unit having a positive refractive power, and the distance between the third lens unit and the fourth lens unit having a negative refractive power vary. In zooming from the wide angle end to the telephoto end, the first lens unit is located closer to the object side at the telephoto end than at the wide angle end. The first lens unit consists of two lenses including a negative lens and a positive lens. The first lens unit has at least one aspheric surface in the optical path. The zoom lens satisfies the following conditional expression (1): 0.5<(LTLt/?rear)/FLG1<1.0??(1).Type: GrantFiled: August 29, 2013Date of Patent: July 21, 2015Assignees: OLYMPUS CORPORATION, OLYMPUS IMAGING CORP.Inventors: Takayuki Mimura, Masahiro Imamura, Takahiro Amanai
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Publication number: 20150130970Abstract: A zoom lens comprises a first lens unit G1 having a positive refractive power, a second lens unit G2 having a negative refractive power, and a plurality of lens units G3 and G4. Zooming from a wide angle end to a telephoto end is carried out by changing a distance between the lens units. One of the first lens unit G1 and the second lens unit G2 has, or both the first lens unit G1 and the second lens unit G2 have a specific arrangement.Type: ApplicationFiled: December 23, 2014Publication date: May 14, 2015Inventors: Akinori Nishio, Masahiro Imamura
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Patent number: RE47204Abstract: A zoom lens includes, in order from the object 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 positive refractive power. The first lens unit includes a negative lens and a positive lens. The zoom lens satisfies the following conditional expression (1): ?d13/ft<0.4??(1) where ?d13 is the total sum of the thickness of the lenses included in the first to third lens units of the zoom lens on the optical axis, and ft is the focal length of the entire zoom lens system at the telephoto end.Type: GrantFiled: March 22, 2016Date of Patent: January 15, 2019Assignee: OLYMPUS CORPORATIONInventors: Minoru Ueda, Masahito Watanabe, Masahiro Imamura, Mayu Miki