Patents by Inventor Satoshi Ohara
Satoshi Ohara 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: 9921098Abstract: An optical unit includes an optical element serving as a light guide path, which includes an incident entrance, an emitter, a light coupler which is arranged in the case where a plurality of incident entrances are arranged, and which couples a primary light, and a light separator which is arranged in the case where a plurality of emitters are arranged, and which separates the primary light to each of the emitters. The optical unit further includes a detector which directly or indirectly detects a leakage light leaking outside of the light guide path from the light guide path.Type: GrantFiled: September 17, 2016Date of Patent: March 20, 2018Assignee: OLYMPUS CORPORATIONInventors: Yoshinori Tanaka, Satoshi Ohara
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Patent number: 9880380Abstract: An endoscope system has observation modes making observations with lights having optical characteristics different from each other. The system includes an endoscope including an insertion section provided with an illumination window, a light guide arranged in the insertion section, and including an entrance end on which the lights enter and a plurality of light guide areas that guide the lights entered on the entrance end, and an entrance area switching unit that switches between the light guide areas through which the entered lights are guided by switching between areas on which the lights enter at the entrance end in accordance with an observation mode.Type: GrantFiled: November 14, 2016Date of Patent: January 30, 2018Assignee: OLYMPUS CORPORATIONInventors: Bakusui Daidoji, Takeshi Ito, Satoshi Ohara, Motoki Tabata
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Publication number: 20170367569Abstract: An illumination apparatus includes a light converter disposed on a distal end surface of a light guide, the light converter being configured to emit illumination light, which is generated by converting optical characteristics of primary light that is guided by the light guide, in a forward direction which is on the light converter side of the distal end surface, and in a backward direction which is on the light guide side of the distal end surface. The illumination apparatus further includes a light collector configured to collect backward illumination light into the light guide such that the backward illumination light is guided backward by the light guide, and a heat exhauster configured to convert the backward illumination light, which is guided by the light guide, to heat, and to exhaust the heat.Type: ApplicationFiled: August 15, 2017Publication date: December 28, 2017Applicant: OLYMPUS CORPORATIONInventors: Satoshi OHARA, Takeshi ITO, Bakusui DAIDOJI
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Publication number: 20170340195Abstract: An illumination unit includes a light guide and a light converter. Wettability which a distal end side surface of the light guide has for an enclosing member of the light converter is lower than wettability which a distal end face has for the enclosing member.Type: ApplicationFiled: August 16, 2017Publication date: November 30, 2017Applicant: OLYMPUS CORPORATIONInventors: Bakusui DAIDOJI, Takeshi ITO, Satoshi OHARA
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Publication number: 20170245745Abstract: An endoscope light source system includes a light source module, an insertion module and a light guide path. The light source system further includes a light connector which is provided on the light guide path and optically connects an auxiliary light guide path to the light guide path, such that auxiliary light is guided to the light guide path from the auxiliary light guide path which guides the auxiliary light; and an irradiation module which emits at least one of light-source light which is guided by the light guide path and the auxiliary light which is guided by the light guide path, to an outside of an endoscope as illumination light, and radiates the illumination light to a to-be-illuminated part.Type: ApplicationFiled: May 16, 2017Publication date: August 31, 2017Applicant: OLYMPUS CORPORATIONInventor: Satoshi OHARA
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Patent number: 9746624Abstract: An optical connector for an endoscope has a first holding member which holds a first waveguide therein, a second holding member which holds a second waveguide therein and replaceable replacement members which intervenes between the first holding member and the second holding member so that replacement waveguides intervenes between the waveguides and is optically coupled to the waveguides. The optical connector has attachment members and a positioning mechanism which positions the holding members and the replacement members relative to one another.Type: GrantFiled: February 29, 2016Date of Patent: August 29, 2017Assignee: OLYMPUS CORPORATIONInventor: Satoshi Ohara
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Patent number: 9748313Abstract: The objective is to provide an organic electroluminescent element with an improved luminous efficiency. The organic electroluminescent element has a structure in which a first light-emitting unit containing a phosphorescent red light-emitting material, a second light-emitting unit containing a phosphorescent yellow light-emitting material, and a third light-emitting unit containing a fluorescent blue light-emitting material are stacked with interlayers in-between. A peak emission wavelength of the phosphorescent yellow light-emitting material is in a range of 530 nm to 570 nm. A peak emission wavelength of the fluorescent blue light-emitting material is in a range of 440 nm to 480 nm. The organic electroluminescent element has a ratio of a yellow emission intensity to a blue emission intensity in a range of 1.0 to 2.0. The organic electroluminescent element further has a ratio of a red emission intensity to the blue emission intensity in a range of 1.5 to 3.0.Type: GrantFiled: May 15, 2014Date of Patent: August 29, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hiroya Tsuji, Kazuyuki Yamae, Satoshi Ohara, Varutt Kittichungchit
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Publication number: 20170231471Abstract: A light source illumination unit has operation modes including at least a normal electric power mode to operate with first electric power consumption, and a low electric power mode to operate with second electric power consumption lower than the first electric power consumption. A controller selects at least one of the operation modes in accordance with a use schedule, and controls the light source illumination unit in accordance with the selected operation mode.Type: ApplicationFiled: May 1, 2017Publication date: August 17, 2017Applicant: OLYMPUS CORPORATIONInventors: Masahiro NISHIO, Takeshi ITO, Satoshi OHARA, Motoki TABATA
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Publication number: 20170231472Abstract: A light source illumination unit has operation modes including at least a normal electric power mode to operate with first electric power consumption, and a low electric power mode to operate with second electric power consumption lower than the first electric power consumption. A controller selects at least one of the operation modes in accordance with the current usage, and controls the light source illumination unit in accordance with the selected operation mode.Type: ApplicationFiled: May 3, 2017Publication date: August 17, 2017Applicant: OLYMPUS CORPORATIONInventors: Masahiro NISHIO, Takeshi ITO, Satoshi OHARA, Motoki TABATA
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Patent number: 9666644Abstract: Three light-emitting units are included. Two light-emitting units of the three light-emitting units are similar-color light-emitting units that emit light in a similar color, and have mutually different luminance lives. A remaining light-emitting unit of the three light-emitting units is a different-color light-emitting unit that emits light in a color that is different from the similar color, and has a luminance life that is shorter than each luminance life of the two similar-color light-emitting units.Type: GrantFiled: May 8, 2014Date of Patent: May 30, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Satoshi Ohara, Hiroya Tsuji, Kazuyuki Yamae
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Publication number: 20170095144Abstract: An endoscope light source apparatus includes a first light source section that emits first light, a second light source section that emits second light, and an optical path combiner that combines an optical path of the first light and an optical path of the second light. The etendue of the first light source section is smaller than the etendue of the second light source section. The optical path combiner has an optical deflection surface that deflects the second light, and has an aperture that allows the first light to pass through it within an area of the optical deflection surface. The optical path combiner deflects the second light so that a center axis of the optical path of the second light deflected by the optical deflection surface corresponds to a center axis of the optical path of the first light that has passed through the aperture.Type: ApplicationFiled: December 15, 2016Publication date: April 6, 2017Applicant: OLYMPUS CORPORATIONInventors: Motoki Tabata, Takeshi Ito, Satoshi Ohara
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Publication number: 20170086648Abstract: An endoscope includes an observation mode switch to switch observation modes. The observation modes include a dye valid observation mode allowed to acquire an image in which the dye is visually recognized well, and a dye invalid observation mode allowed to acquire an image in which the dye is substantially not visually recognized.Type: ApplicationFiled: December 12, 2016Publication date: March 30, 2017Applicant: OLYMPUS CORPORATIONInventors: Hiroyuki Kamee, Satoshi Ohara, Motoki Tabata
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Publication number: 20170059849Abstract: An endoscope system has observation modes making observations with lights having optical characteristics different from each other. The system includes an endoscope including an insertion section provided with an illumination window, a light guide arranged in the insertion section, and including an entrance end on which the lights enter and a plurality of light guide areas that guide the lights entered on the entrance end, and an entrance area switching unit that switches between the light guide areas through which the entered lights are guided by switching between areas on which the lights enter at the entrance end in accordance with an observation mode.Type: ApplicationFiled: November 14, 2016Publication date: March 2, 2017Applicant: OLYMPUS CORPORATIONInventors: Bakusui Daidoji, Takeshi Ito, Satoshi Ohara, Motoki Tabata
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Publication number: 20170003164Abstract: An optical unit includes an optical element serving as a light guide path, which includes an incident entrance, an emitter, a light coupler which is arranged in the case where a plurality of incident entrances are arranged, and which couples a primary light, and a light separator which is arranged in the case where a plurality of emitters are arranged, and which separates the primary light to each of the emitters. The optical unit further includes a detector which directly or indirectly detects a leakage light leaking outside of the light guide path from the light guide path.Type: ApplicationFiled: September 17, 2016Publication date: January 5, 2017Applicant: OLYMPUS CORPORATIONInventors: Yoshinori TANAKA, Satoshi OHARA
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Patent number: 9535225Abstract: An optical device includes a light guiding member that guides light an optical element that functions by being irradiated with the light guided by the light guiding member and a holding member that internally includes a first housing portion housing the light guiding member and a second housing portion housing the optical element and internally holds the light guiding member and the optical element by the first housing portion and the second housing portion so that the light guiding member and the optical element are internally coupled optically. The first housing portion and the second housing portion are communicatively connected inside the holding member and the light guiding member housed in the first housing portion and the optical element housed in the second housing portion are in contact with each other inside the holding member.Type: GrantFiled: April 24, 2014Date of Patent: January 3, 2017Assignee: OLYMPUS CORPORATIONInventor: Satoshi Ohara
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Patent number: 9500812Abstract: A photoelectric composite connector includes a first fitting member including a first holding member holding at least one first optical fiber, and at least one first electric connecting portion, and a second fitting member including a second holding member holding at least one second optical fiber, and at least one second electric connecting portion. The first and second fitting members are constituted as to fit into and onto each other so that the first and second optical fibers are optically connected and the first and second electric connecting portions are electrically connected. The first and second fitting members includes a protecting section to prevent foreign materials generated during fitting of the first and second fitting members from entering into at least the first and second holding members.Type: GrantFiled: December 23, 2014Date of Patent: November 22, 2016Assignee: OLYMPUS CORPORATIONInventors: Yoshinori Tanaka, Satoshi Ohara
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Publication number: 20160324409Abstract: A first light source module and an irradiation module are mutually combined. By the combination, illumination light corresponding to a purpose of use is emitted. A relative distance between a light source-side emitter and an irradiation-side incidence entrance in an optical axis direction is adjusted as desired in accordance with the irradiation module, which is connected to the first light source module.Type: ApplicationFiled: July 21, 2016Publication date: November 10, 2016Applicant: OLYMPUS CORPORATIONInventors: Motoki TABATA, Bakusui DAIDOJI, Satoshi OHARA, Sho SHINJI, Kazunari HANANO
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Publication number: 20160324408Abstract: A first light source module includes a light source-side connection hole to which a irradiation-side connector of a irradiation module is mechanically detachably attached. The light source-side connection hole is made common to the first irradiation-side connector, which is mounted in the first irradiation module, and the second irradiation-side connector, which is mounted in the second irradiation module, such that the light source-side connection hole is connectable to the first irradiation-side connector and the second irradiation-side connector.Type: ApplicationFiled: July 21, 2016Publication date: November 10, 2016Applicant: OLYMPUS CORPORATIONInventors: Satoshi OHARA, Eiji YAMAMOTO, Takeshi ITO, Masahiro NISHIO, Hiroyuki KAMEE, Motoki TABATA
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Patent number: 9431624Abstract: An organic electroluminescent element includes electrodes and organic light-emitting layers that are between the electrodes. The organic light-emitting layers contain at least three colors of luminescent materials. A first luminescent material has a maximum light emission wavelength within a range of 430 nm to 480 nm. A second luminescent material has a maximum light emission wavelength within a range of 510 nm to 610 nm. A third luminescent material has a maximum light emission wavelength within a range of 580 nm to 630 nm. An average value of average color rendering indexes in a wide angle region of 30° to 60° with respect to a front direction of a light emission surface is higher than an average color rendering index in the front direction.Type: GrantFiled: July 8, 2013Date of Patent: August 30, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Hiroya Tsuji, Satoshi Okutani, Satoshi Ohara
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Publication number: 20160178860Abstract: An optical connector for an endoscope has a first holding member which holds a first waveguide therein, a second holding member which holds a second waveguide therein and replaceable replacement members which intervenes between the first holding member and the second holding member so that replacement waveguides intervenes between the waveguides and is optically coupled to the waveguides. The optical connector has attachment members and a positioning mechanism which positions the holding members and the replacement members relative to one another.Type: ApplicationFiled: February 29, 2016Publication date: June 23, 2016Applicant: OLYMPUS CORPORATIONInventor: Satoshi OHARA