Patents by Inventor Masahiro Seki
Masahiro Seki 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: 11975652Abstract: A notification device is provided which decreases notifications that passengers find annoying. This notification device is provided with: a notification unit which detects an object that is approaching the vehicle and notifies a passenger of the approach of said object; a water detection unit which detects water present around the vehicle; and a notification control unit which controls the notification unit such that in the case that water has been detected by the water detection unit, the frequency of notifications is suppressed more than in the case that water is not detected.Type: GrantFiled: January 29, 2021Date of Patent: May 7, 2024Assignee: Isuzu Motors LimitedInventors: Tomokazu Tojo, Hiroshi Yano, Masahiro Seki
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Publication number: 20240145356Abstract: A lead frame includes a plurality of lead portions. At least a part of an upper surface of the lead portion and a sidewall surface of the lead portion is a rough surface having been subjected to roughening treatment. A value of a* in a CIELab color space of the rough surface is within a range from 12 to 19, and a value of b* is within a range from 12 to 17.Type: ApplicationFiled: September 1, 2022Publication date: May 2, 2024Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Masahiro NAGATA, Kazuhiro SHINOZAKI, Masahiro YAMADA, Daisuke OKUYAMA, Chiaki HATSUTA, Kentarou SEKI, Hideto MATSUI, Kazunori OOUCHI
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Patent number: 11965558Abstract: A sealing device has two sealing members. A first sealing member has a cylindrical mounted part adapted to be mounted to an outer member and an annular part extending radially inward from the cylindrical mounted part toward the inner member. A second sealing member has a sleeve adapted to be mounted to an inner member, a flange extending radially outward from the sleeve, and a cylindrical protruding portion made from an elastic material extending along the axial direction from the flange. Multiple retaining protrusions are formed on the inner peripheral surface of the cylindrical mounted part of the first sealing member are arranged at intervals in a circumferential direction. On the outer peripheral surface of the cylindrical protruding portion of the second sealing member, circumferential groove extending continuously in a circumferential direction is formed, within which the retaining protrusions are placed.Type: GrantFiled: June 22, 2020Date of Patent: April 23, 2024Assignee: NOK CORPORATIONInventor: Masahiro Seki
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Publication number: 20240101142Abstract: An electronic device includes a first acquisition part that acquires a first set speed set on the basis of a speed limit which is (i) recognized on the basis of an image of a sign of a road on which a vehicle is located, captured by an imaging part or (ii) identified from map information of the road; a second acquisition part that acquires a second set speed set by a user of the vehicle; and a notification control part that causes a notification part to provide a first notification when a vehicle speed exceeds the first set speed, and causes the notification part to provide a second notification which is distinguishable from the first notification when the vehicle speed exceeds the second set speed.Type: ApplicationFiled: September 14, 2023Publication date: March 28, 2024Inventors: Takashi KAWANO, Ai TAKEDA, Masahiro SEKI
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Publication number: 20240092361Abstract: An electronic device includes a storage that stores the gross weight of the vehicle V, an identification part that identifies a plurality of speed limits on a road on which the vehicle V is traveling, and an output part that outputs a first speed limit among the plurality of speed limits as an applied speed limit when the gross weight stored in the storage is equal to or greater than a threshold, and output a second speed limit which is higher than the first speed limit among the plurality of speed limits as the applied speed limit when the gross weight is not equal to or greater than the threshold.Type: ApplicationFiled: September 12, 2023Publication date: March 21, 2024Inventors: Takashi KAWANO, Ai TAKEDA, Masahiro SEKI
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Publication number: 20240092381Abstract: An electronic device includes: a recognition part that recognizes a plurality of signs indicating content of the regulations relating to traveling of a vehicle on the basis of a captured image obtained by capturing a region ahead of the vehicle; a first identification part that identifies, as a corresponding sign, a sign corresponding to a lane in which the vehicle travels among the plurality of signs recognized by the recognition part; and an output part that outputs information corresponding to content of the regulations indicated by the corresponding sign.Type: ApplicationFiled: September 12, 2023Publication date: March 21, 2024Inventors: Takashi KAWANO, Ai TAKEDA, Masahiro SEKI
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Patent number: 11927218Abstract: A sealing device is disposed between an inner member and an outer member that rotate relative to each other to seal a gap between the inner member and the outer member of the sealing device, and includes a first sealing member including a cylindrical part to be mounted to the outer member, and an annular part that extends radially inward from the cylindrical part toward the inner member; and a second sealing member including a sleeve to be mounted to the inner member, and a flange that extends radially outward from the sleeve, the flange facing the annular part of the first sealing member. The first sealing member includes at least three axial lips made from an elastic material that extends from the annular part toward the flange of the second sealing member. An axial lip disposed radially outer side has an interference that is greater than that of an axial lip disposed radially inner side.Type: GrantFiled: November 5, 2019Date of Patent: March 12, 2024Assignee: NOK CORPORATIONInventors: Shintaro Sugawara, Masahiro Seki, Yuichi Tarukawa
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Patent number: 11796004Abstract: A sealing device adapted to be disposed between an inner member and an outer member that rotate relative to each other includes a first sealing member including a cylindrical part adapted to be mounted to the outer member, and an annular part that extends radially inward from the cylindrical part; and a second sealing member including a sleeve adapted to be mounted to the inner member, and a flange. The first sealing member includes a lip that extends toward the flange of the second sealing member. An annular first clearance is provided between the flange and the cylindrical part of the first sealing member. The second sealing member includes a labyrinth lip extending from the flange radially outward and extending toward the atmosphere side more than the cylindrical part of the first sealing member, and a second clearance is provided between the labyrinth lip and the outer member.Type: GrantFiled: April 24, 2020Date of Patent: October 24, 2023Assignee: NOK CORPORATIONInventor: Masahiro Seki
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Publication number: 20230193998Abstract: A sealing device has a first sealing member and a second sealing member. The first sealing member has a cylindrical part mounted on an outer member, and a lip. The second sealing member has a sleeve into which an inner member is fitted, and a flange extending radially outward. The flange has a rigid flange portion connected to the sleeve, and a circular annular elastic flange portion that adheres to the rigid flange portion. An annular protrusion is formed on an inner periphery of the elastic flange portion, and is in contact with an outer peripheral surface of the inner member. In an initial state, the inner peripheral surface of the protrusion has a cylindrical portion having an inner diameter that is less than that of the sleeve. The cylindrical portion has a length of at least 0.15 mm in the initial state.Type: ApplicationFiled: June 2, 2021Publication date: June 22, 2023Inventor: Masahiro SEKI
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Publication number: 20230073562Abstract: A notification device is provided which decreases notifications that passengers find annoying. This notification device is provided with: a notification unit which detects an object that is approaching the vehicle and notifies a passenger of the approach of said object; a water detection unit which detects water present around the vehicle; and a notification control unit which controls the notification unit such that in the case that water has been detected by the water detection unit, the frequency of notifications is suppressed more than in the case that water is not detected.Type: ApplicationFiled: January 29, 2021Publication date: March 9, 2023Applicant: Isuzu Motors LimitedInventors: Tomokazu TOJO, Hiroshi YANO, Masahiro SEKI
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Publication number: 20230062678Abstract: Disclosed is a notification device that reduces notifications which an occupant would find irritating. This notification device comprises: a notification unit that detects an object approaching a vehicle, and notifies an occupant of the approach of the object; and a notification control unit that is connected to a wiper of the vehicle, determines the quantity of water present in the vehicle surroundings on the basis of a wiper operation quantity, and when the quantity of water is greater than a prescribed threshold value, controls the notification unit such that the degree of notification is suppressed compared to when the quantity of water is less than or equal to the threshold value.Type: ApplicationFiled: January 29, 2021Publication date: March 2, 2023Applicant: Isuzu Motors LimitedInventors: Tomoharu AOKI, Naoki TAKAHASHI, Masashi IMAMURA, Yoshihira KANAZAWA, Masahiro SEKI, Hirotaka UEDA
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Publication number: 20220333649Abstract: A sealing device has two sealing members. A first sealing member has a cylindrical mounted part adapted to be mounted to an outer member and an annular part extending radially inward from the cylindrical mounted part toward the inner member. A second sealing member has a sleeve adapted to be mounted to an inner member, a flange extending radially outward from the sleeve, and a cylindrical protruding portion made from an elastic material extending along the axial direction from the flange. Multiple retaining protrusions are formed on the inner peripheral surface of the cylindrical mounted part of the first sealing member are arranged at intervals in a circumferential direction. On the outer peripheral surface of the cylindrical protruding portion of the second sealing member, circumferential groove extending continuously in a circumferential direction is formed, within which the retaining protrusions are placed.Type: ApplicationFiled: June 22, 2020Publication date: October 20, 2022Applicant: NOK CORPORATIONInventor: Masahiro SEKI
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Patent number: 11448320Abstract: A sealing device is located between an inner member and an outer member that rotate relative to each other. The sealing device includes a tubular part that is to be mounted on a cylindrical end portion of the outer member, an annular part connected to an end of the tubular part and having a portion located radially inside the end portion of the outer member, at least one lip extending from the annular part toward the inner member. Each of the annular part and the tubular part includes an elastic part and a rigid part. At least one of an upper surface of the annular part that is opposite to the tubular part and a lower surface of the tubular part that is opposite to the annular part is formed of the elastic part. Multiple protrusions are formed on at least one of the upper surface of the annular part and the lower surface of the tubular part, the protrusions protruding along an axial direction of the sealing device.Type: GrantFiled: April 3, 2019Date of Patent: September 20, 2022Inventor: Masahiro Seki
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Publication number: 20220283523Abstract: A carrier can be used for forming an electrophotographic image. The carrier contains a core particle and a coating layer coating the core particle. The coating layer contains a chargeable particle. The carder has an internal void ratio of 0.0% or greater but less than 2.0%, and an apparent density of 2.0 g/cm3 or greater but less than 2.5 g/cm3.Type: ApplicationFiled: November 12, 2020Publication date: September 8, 2022Applicant: Ricoh Company, Ltd.Inventors: Masashi NAGAYAMA, Kousuke Suzuki, Masahiro Seki, Hiroyuki Kishida, Namie Suzuki
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Publication number: 20220213931Abstract: A sealing device adapted to be disposed between an inner member and an outer member that rotate relative to each other includes a first sealing member including a cylindrical part adapted to be mounted to the outer member, and an annular part that extends radially inward from the cylindrical part; and a second sealing member including a sleeve adapted to be mounted to the inner member, and a flange. The first sealing member includes a lip that extends toward the flange of the second sealing member. An annular first clearance is provided between the flange and the cylindrical part of the first sealing member. The second sealing member includes a labyrinth lip extending from the flange radially outward and extending toward the atmosphere side more than the cylindrical part of the first sealing member, and a second clearance is provided between the labyrinth lip and the outer member.Type: ApplicationFiled: April 24, 2020Publication date: July 7, 2022Applicant: NOK CORPORATIONInventor: Masahiro SEKI
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Publication number: 20210355995Abstract: A sealing device is disposed between an inner member and an outer member that rotate relative to each other to seal a gap between the inner member and the outer member of the sealing device, and includes a first sealing member including a cylindrical part to be mounted to the outer member, and an annular part that extends radially inward from the cylindrical part toward the inner member; and a second sealing member including a sleeve to be mounted to the inner member, and a flange that extends radially outward from the sleeve, the flange facing the annular part of the first sealing member. The first sealing member includes at least three axial lips made from an elastic material that extends from the annular part toward the flange of the second sealing member. An axial lip disposed radially outer side has an interference that is greater than that of an axial lip disposed radially inner side.Type: ApplicationFiled: November 5, 2019Publication date: November 18, 2021Applicant: NOK CORPORATIONInventors: Shintaro SUGAWARA, Masahiro SEKI, Yuichi TARUKAWA
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Patent number: 11106150Abstract: A carrier for forming an electrophotographic image is provided. The carrier includes a core particle comprising a manganese-based ferrite particle having an apparent density of from 2.0 to 2.2 g/cm3 and a magnetization of from 44 to 52 emu/g in a magnetic field of 500 Oe; and a coating layer coating a surface of the core particle. The coating layer contains a carbon black, an inorganic particle A, and an inorganic particle B. The inorganic particle A and the carbon black each have a concentration gradient in a thickness direction of the coating layer. A concentration of the inorganic particle A increases toward a surface of the coating layer, and a concentration of the carbon black decreases toward the surface of the coating layer.Type: GrantFiled: November 14, 2019Date of Patent: August 31, 2021Assignee: RICOH COMPANY, LTD.Inventors: Masashi Nagayama, Hiroyuki Kishida, Masahiro Seki, Yoshimichi Ishikawa, Saori Yamada
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Patent number: 11031832Abstract: According to one embodiment, a stator includes spacing strips disposed to be interposed in the electromagnetic steel plates for each predetermined set of plates of the electromagnetic steel plates, each of the spacing strips extending in a radial direction of the stator iron core to form ventilation ducts, a spacing strip attachment plate which is disposed between the spacing strips and the set of plates of the electromagnetic steel plates to fix the spacing strips, and an insulating layer which covers the entirety of the spacing strip attachment plate and the spacing strips fixed to the spacing strip attachment plate.Type: GrantFiled: April 8, 2019Date of Patent: June 8, 2021Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Shunsuke Ishizaki, Ken Nagakura, Yuichiro Gunji, Norio Takahashi, Masahiro Seki
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Publication number: 20210116034Abstract: A sealing device disposed between inner and outer members that rotate relative to each other for sealing a gap between the inner and outer members, includes a first sealing member to be mounted on the outer member and a second sealing member to be mounted on the inner member. Water-discharging protrusions protrude in a space between the second sealing member and the first sealing member. The water-discharging protrusions are arranged in a circumferential direction. Each protrusion has an inclined side surface intersecting at an acute angle with a rotational direction in which at least one of the inner and outer members rotates. The first sealing member has an annular labyrinth lip protruding toward the flange part of the second sealing member and is not in contact with the second sealing member, the labyrinth lip overlapping the water-discharging protrusions in radial directions and being disposed radially inside the water-discharging protrusions.Type: ApplicationFiled: August 9, 2019Publication date: April 22, 2021Applicant: NOK CORPORATIONInventors: Masahiro SEKI, Yuya SAKANO, Toshiki ISAWA
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Publication number: 20200362967Abstract: A sealing device is located between an inner member and an outer member that rotate relative to each other. The sealing device includes a tubular part that is to be mounted on a cylindrical end portion of the outer member, an annular part connected to an end of the tubular part and having a portion located radially inside the end portion of the outer member, at least one lip extending from the annular part toward the inner member. Each of the annular part and the tubular part includes an elastic part and a rigid part. At least one of an upper surface of the annular part that is opposite to the tubular part and a lower surface of the tubular part that is opposite to the annular part is formed of the elastic part. Multiple protrusions are formed on at least one of the upper surface of the annular part and the lower surface of the tubular part, the protrusions protruding along an axial direction of the sealing device.Type: ApplicationFiled: April 3, 2019Publication date: November 19, 2020Inventor: Masahiro SEKI