Patents by Inventor Koki Ishida
Koki Ishida 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: 20240117842Abstract: A sealing device to be provided in a bearing device for sealing an annular gap between an outer member and a flange. The sealing device includes a slinger attached to the flange by bolts press-fitted into a plurality of bolt holes provided at the flange. The slinger includes a main body portion in a hollow disk shape having insertion portions into which the bolts are inserted, an elastic seal being made of an elastic member and being integrally formed around the insertion portions of the main body portion, and a slinger cylindrical portion extending from an inner diametrical side end portion of the main body portion into axial direction and forming a first labyrinth by a gap between the slinger cylindrical portion and an outer circumferential face of the outer member.Type: ApplicationFiled: October 6, 2023Publication date: April 11, 2024Inventor: Koki ISHIDA
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Publication number: 20230284951Abstract: The present invention is designed such that, even when inward currents cannot be calculated properly, it is possible to generate current waveforms that can appropriately evaluate the action of a target body tissue by calculating currents that are equivalent to inward currents. A biomagnetic field measurement system includes circuitry and a memory storing executable instructions which, when executed by the circuitry, cause the circuitry to: based on current components extracted from current signals calculated from a biomagnetic field signal, add up current waveforms of current components along a conduction pathway of an action current in a body tissue that is targeted for evaluation, and generate a current waveform for evaluating an intra-cellular current flowing in the conduction pathway, locations of the current components of the added current waveforms being predetermined set distances apart on the conduction pathway, in front of and behind a location of interest on the conduction pathway.Type: ApplicationFiled: March 6, 2023Publication date: September 14, 2023Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental UniversityInventors: Koki Ishida, Taishi Watanabe, Shigenori Kawabata, Yuta Tanaka
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Publication number: 20220369982Abstract: A biomagnetic field measurement processing apparatus includes circuitry; and a memory storing computer-executable instructions that cause the circuitry to execute reconfiguring a current signal from a biomagnetic field signal; extracting a current component from the current signal; and based on the extracted current component, adding to each other at least two current waveforms among current waveforms of a plurality of inward currents that are current components directed toward a nerve axon from around the nerve axon, or adding to each other at least two current waveforms among current waveforms of a plurality of inward currents that are current components directed toward a muscle fiber from around the muscle fiber, and generating a current waveform to be displayed on a display device, according to the at least two current waveforms added to each other.Type: ApplicationFiled: May 17, 2022Publication date: November 24, 2022Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental UniversityInventors: Koki ISHIDA, Taishi WATANABE, Shigenori KAWABATA, Jun HASHIMOTO
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Publication number: 20220296143Abstract: A biomagnetism measurement apparatus includes a memory and a processor configured to set a curved surface as a region-of-interest based on a morphological image including a portion to be evaluated of a subject, the morphological image being acquired by an image acquisition apparatus, and the curved surface being a surface on which an anterior-posterior position of the subject changes in a cranial-caudal direction and in a left-right direction along a position of a nerve to be evaluated. The processor is further configured to estimate current distribution in the region-of-interest based on magnetic data, the magnetic data being acquired by measuring a magnetic field with a magnetic measurement instrument, and the magnetic field being generated by an electrical activity of a nerve in the portion to be evaluated.Type: ApplicationFiled: March 14, 2022Publication date: September 22, 2022Applicants: Ricoh Company, Ltd., National University Corporation Tokyo Medical and Dental UniversityInventors: Koki ISHIDA, Taishi WATANABE, Shigenori KAWABATA, Jun HASHIMOTO
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Patent number: 10520036Abstract: A sealing device for sealing an annular space constituted by an inside member and an outside member which rotate relatively to each other includes a core metal having a cylindrical portion fitted to one of the inside member and the outside member, and a seal lip member fixed to the core metal and having a plurality of lip portions contacting the other of the inside member and the outside member. The lip portions includes a first lip portion provided at a position closest to the outside and blocking ventilation between the outside and a space existing between the lip portions, and another lip portion provided at a position farther from the outside than the first lip portion. The other lip portion is provided with a through-hole, which is open to front and rear surfaces and allow ventilation, at a position apart from a contact portion with the other member.Type: GrantFiled: October 2, 2018Date of Patent: December 31, 2019Assignee: UCHIYAMA MANUFACTURING CORP.Inventors: Koki Ishida, Wakana Kato
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Publication number: 20190107154Abstract: A sealing device for sealing an annular space constituted by an inside member and an outside member which rotate relatively to each other includes a core metal having a cylindrical portion fitted to one of the inside member and the outside member, and a seal lip member fixed to the core metal and having a plurality of lip portions contacting the other of the inside member and the outside member. The lip portions includes a first lip portion provided at a position closest to the outside and blocking ventilation between the outside and a space existing between the lip portions, and another lip portion provided at a position farther from the outside than the first lip portion. The other lip portion is provided with a through-hole, which is open to front and rear surfaces and allow ventilation, at a position apart from a contact portion with the other member.Type: ApplicationFiled: October 2, 2018Publication date: April 11, 2019Inventors: Koki ISHIDA, Wakana KATO
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Patent number: 9328770Abstract: A cap for bearing device is attached to one end portion of an outer race member in a bearing device to block an opening portion, and includes: a cylindrical part that is fitted to the outer race member; a lid part configured to block an end portion of the cylindrical part; an annular seal part configured to, when being fitted to the outer race member, be compressed between the cap for the bearing device and the outer race member; and a ventilation part, which, in the course of fitting the cylindrical part to the outer race member, allows air to pass between inside and outside of a bearing space, and in the state where the cylindrical part is fitted to the outer race member, the ventilation is shut down.Type: GrantFiled: January 24, 2013Date of Patent: May 3, 2016Assignee: UCHIYAMA MANUFACTURING CORP.Inventor: Koki Ishida
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Publication number: 20150010255Abstract: A cap for bearing device is attached to one end portion of an outer race member in a bearing device to block an opening portion, and includes: a cylindrical part that is fitted to the outer race member; a lid part configured to block an end portion of the cylindrical part; an annular seal part configured to, when being fitted to the outer race member, be compressed between the cap for the bearing device and the outer race member; and a ventilation part, which, in the course of fitting the cylindrical part to the outer race member, allows air to pass between inside and outside of a bearing space, and in the state where the cylindrical part is fitted to the outer race member, the ventilation is shut down.Type: ApplicationFiled: January 24, 2013Publication date: January 8, 2015Inventor: Koki Ishida
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Patent number: 8828178Abstract: A sealing device which comprises a slinger fixedly fitted to the rotary side member, a core member fixedly fitted to the stationary side member, and an elastic sealing member fixed to the core member and having a seal lip which elastically and slidably contacts the slinger. The slinger comprises a fitting cylindrical portion to be fitted into the rotary side member, a brim portion extending its radial direction at one end of its outside relative to a sealed portion of the fitting cylindrical portion, and a rotary side fixing member fixed to the brim portion. Further, the slinger is made in such a manner that an adhesive layer is formed on its whole surface including a contacting side surface where the seal lip contacts by applying adhesive agent thereon, then the fixing member is integrally fixed thereto, thereafter the adhesive layer is partially removed only in the contacting side surface.Type: GrantFiled: March 12, 2012Date of Patent: September 9, 2014Assignee: Uchiyama Manufacturing Corp.Inventors: Hironori Yamamoto, Koki Ishida, Tatsuo Katayama, Tadashi Kasamoto, Yoshihiko Yamaguchi, Chihiro Asanuma
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Patent number: 8567789Abstract: A sealing device for sealing space between two members concentrically and relatively rotating comprising a core member fixedly fitted into one of the two members, a metal slinger fixedly fitted into the other of the two members, and an elastic seal member fixedly attached to the core member and having a seal lip which elastically and slidably contacts the slinger. The slinger has a slidably contacting treated surface for the seal lip as is processed such a surface-treatment as defined by the following parameters: arithmetic mean roughness Ra in the range from 0.5 ?m to 1.5 ?m, root-mean-square roughness Rq in the range from 0.6 ?m to 2.0 ?m, mean surface irregularity interval Sm in the range from 0.05 mm to 0.17 mm and peak count Pc (50%) in the range from 20 to 60.Type: GrantFiled: August 14, 2009Date of Patent: October 29, 2013Assignee: Uchiyama Manufacturing Corp.Inventor: Koki Ishida
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Publication number: 20120223484Abstract: A sealing device which comprises a slinger fixedly fitted to the rotary side member, a core member fixedly fitted to the stationary side member, and an elastic sealing member fixed to the core member and having a seal lip which elastically and slidably contacts the slinger. The slinger comprises a fitting cylindrical portion to be fitted into the rotary side member, a brim portion extending its radial direction at one end of its outside relative to a sealed portion of the fitting cylindrical portion, and a rotary side fixing member fixed to the brim portion. Further, the slinger is made in such a manner that an adhesive layer is formed on its whole surface including a contacting side surface where the seal lip contacts by applying adhesive agent thereon, then the fixing member is integrally fixed thereto, thereafter the adhesive layer is partially removed only in the contacting side surface.Type: ApplicationFiled: March 12, 2012Publication date: September 6, 2012Applicant: Uchiyama Manufacturing Corp.Inventors: Hironori Yamamoto, Koki Ishida, Tatsuo Katayama, Tadashi Kasamoto, Yoshihiko Yamaguchi, Chihiro Asanuma
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Publication number: 20100090411Abstract: A sealing device for sealing a space between a rotary side member and a stationary side member which comprises a slinger with a specific structure is disclosed.Type: ApplicationFiled: September 25, 2009Publication date: April 15, 2010Applicant: Uchiyama Manufacturing Corp.Inventors: Hironori Yamamoto, Koki Ishida, Tatsuo Katayama, Tadashi Kasamoto, Yoshihiko Yamaguchi, Chihiro Asanuma
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Publication number: 20100052262Abstract: A sealing device for sealing space between two members concentrically and relatively rotating comprising a core member fixedly fitted into one of the two members, a metal slinger fixedly fitted into the other of the two members, and an elastic seal member fixedly attached to the core member and having a seal lip which elastically and slidably contacts the slinger. The slinger has a slidably contacting treated surface for the seal lip as is processed such a surface-treatment as defined by the following parameters: arithmetic mean roughness Ra in the range from 0.5 ?m to 1.5 ?m, root-mean-square roughness Rq in the range from 0.6 ?m to 2.0 ?m, mean surface irregularity interval Sm in the range from 0.05 mm to 0.17 mm and peak count Pc (50%) in the range from 20 to 60.Type: ApplicationFiled: August 14, 2009Publication date: March 4, 2010Applicant: Uchiyama Manufacturing Corp.Inventor: Koki Ishida
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Patent number: 5402250Abstract: A document processing system which is capable of forming an open document architecture (ODA) document and processing document information related to the ODA document, where each page of the ODA document is made up of one or a plurality of blocks in which character information, raster information or geometric information is arranged. The document processing system includes a first part for generating a raster block when a predetermined character modification function is used to modify a character which is to be displayed by superimposing a predetermined pattern on the character, where the raster block includes block position information corresponding to a display range of the predetermined pattern and raster data for displaying the predetermined pattern as a text unit, and a second part for adding the raster block generated by the first means to the document information.Type: GrantFiled: February 22, 1994Date of Patent: March 28, 1995Assignee: Ricoh Company, Ltd.Inventors: Koki Ishida, Nozomi Sawada, Hiroshi Tamura, Yukikazu Mori
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Patent number: 5367618Abstract: A document processing apparatus with a transmitting unit and a receiving unit, the transmitting unit capable of making document data by using a plurality of font data sets, the receiving unit capable of outputting document data received from the transmitting unit. The apparatus includes a transmission part for transmitting the document data to the receiving unit by executing a given transmission control procedure, a first control part for selecting font data corresponding to character codes contained in the document data from among a font data set included in the font data sets when it is determined that the font data set is not installed in the receiving unit, and for transmitting the selected font data to the receiving unit.Type: GrantFiled: July 3, 1991Date of Patent: November 22, 1994Assignee: Ricoh Company, Ltd.Inventor: Koki Ishida
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Patent number: 5041918Abstract: An adapter unit for use with a host apparatus for sending and receiving document information to and from a remote terminal via a communication network. The host apparatus creates document information which may be facsimile data, teletex data or mixed mode data. The adapter unit comprises an interface unit connected to the host apparatus, a bit map conversion unit for converting teletex and mixed code data into bitmap data, a facsimile encoding unit, a facsimile decoding unit, a print interface unit connected to the host apparatus, a communication control unit, and a system control unit which controls transmission of the document information from the host apparatus to a remote terminal and reception of the document information from the communication network such that the document information from the host apparatus is transmitted in a form which the remote terminal is capable of processing.Type: GrantFiled: June 29, 1990Date of Patent: August 20, 1991Assignee: Ricoh Company, Ltd.Inventors: Koki Ishida, Nozomi Sawada