Patents Assigned to Chiba Institute of Technology
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Patent number: 11802779Abstract: Provided are a map generation system and a mobile object configured so that the map accuracy of an occupancy grid map can be ensured while a memory capacity and an arithmetic processing load can be reduced. The map generation system includes a storage (27) configured to store, as detection information, a detection value obtained for each detection unit by a detection device (4) in chronological order, a map producer (23) configured to produce the occupancy grid map based on the detection information stored in the storage (27) and cause the storage (27) to store the occupancy grid map, and an influence ratio calculator (24) configured to calculate an influence ratio for the occupancy grid map for each piece of detection information stored in the storage (27). The map producer (23) sorts the detection information based on the influence ratio calculated by the influence ratio calculator (24) to produce the occupancy grid map.Type: GrantFiled: July 30, 2018Date of Patent: October 31, 2023Assignee: CHIBA INSTITUTE OF TECHNOLOGYInventor: Masahiro Tomono
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Patent number: 11707850Abstract: An objective of the present invention is to reduce the downtime which occurs when changing a servo motor device. A servo motor device includes a motor section and a reduction gear configured to output a driving force by reducing a speed of rotation of the motor section, wherein a control device includes a detecting section configured to acquire detected information about operation of the motor section, and a computing section configured to generate an approximate curve based on a behavior for a time sequence of a parameter and to calculate predicted lifetime information of the servo motor device based on the approximate curve thus generated, wherein the parameter has been calculated by means of the detected information.Type: GrantFiled: July 26, 2021Date of Patent: July 25, 2023Assignees: Futaba Corporation, Chiba Institute of TechnologyInventors: Shotaro Kudo, Yasuyuki Suzuki, Toru Kono, Ryosei Kuramoto, Hidetoshi Muramatsu, Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato
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Patent number: 11409306Abstract: Provided is a movement robot configured so that various types of operation can be executed according to motion of other objects or a movement body and a utilization area can be expanded accordingly. The movement robot includes a robot body 1, a control unit 2, a traveling unit 3, and a detection unit 4.Type: GrantFiled: August 14, 2018Date of Patent: August 9, 2022Assignee: CHIBA INSTITUTE OF TECHNOLOGYInventors: Masahiro Tomono, Kiyoshi Irie, Hideaki Yamato, Masaharu Shimizu, Shunji Yamanaka, Takayuki Furuta
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Publication number: 20220220038Abstract: Porous ceramics that meet the demand for bone substitute materials and the like are provided. Solution is provided by porous ceramics and a method for producing the porous ceramics, which are ceramics having pores, the pores including open pores and closed pores, the open pores including a plurality of large-diameter open pores having a pore size within a range of 20 to 600 ?m and a plurality of micro-diameter open pores having a pore size within a range of 1.0 ?m or smaller, wherein the large-diameter open pores are distributed substantially uniformly all over the ceramics.Type: ApplicationFiled: June 2, 2020Publication date: July 14, 2022Applicants: CHIBA INSTITUTE OF TECHNOLOGY, DAIO PAPER CORPORATIONInventors: Kazuaki HASHIMOTO, Junya OKAWA, Hiroto SASAKI
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Patent number: 11337021Abstract: An object is to acquire a head-related transfer function reproducing features of a head-related transfer function of a listener without actually measuring the head-related transfer function of the listener.Type: GrantFiled: December 8, 2020Date of Patent: May 17, 2022Assignee: Chiba Institute of TechnologyInventor: Kazuhiro Ilda
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Patent number: 11013824Abstract: An adhesive for hard tissue bonding which has a sufficient pot life and excellent biocompatibility and is replaced with bone over time, and an adhesive kit for hard tissue bonding are provided. In addition, bone cement is provided which has excellent biocompatibility and is replaced with bone over time. An adhesive for hard tissue bonding includes: a cyanoacrylate monomer; and beta-tricalcium phosphate or hydroxyapatite. An adhesive kit for hard tissue bonding includes: a liquid agent containing a cyanoacrylate monomer; and a powdery agent containing beta-tricalcium phosphate or hydroxyapatite. Bone cement includes: a cyanoacrylate polymer; and beta-tricalcium phosphate or hydroxyapatite.Type: GrantFiled: March 27, 2018Date of Patent: May 25, 2021Assignees: Chiba Institute of Technology, Fukuyamaika CorporationInventors: Kazuaki Hashimoto, Hirobumi Shibata, Syuhei Aida, Shigeo Fukuyama, Takashi Meguro, Shinya Tanaka
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Patent number: 10883572Abstract: A cycloid speed reducer has a housing for accommodating a piece of equipment. Outer pins in meshing engagement with cycloid gears of a reduction gear portion are incorporated into the housing as a sliding bearing. A lubrication ring for lubricating the outer pins is slidably incorporated into the housing. The outer pins are lubricated by the outer pin lubricating ring. Inner pins are lubricated by a lubricating ring. The pair of cycloid gears are lubricated via the outer pins and the inner pins. As a result, friction between components is reduced, whereby frictional resistance decreases and durability is enhanced. In addition, the cycloid speed reducer can be manufactured as a small, compact unit.Type: GrantFiled: March 5, 2019Date of Patent: January 5, 2021Assignees: NIPPON THOMPSON CO., LTD., CHIBA INSTITUTE OF TECHNOLOGYInventors: Satoshi Sasaki, Hideaki Yamato, Takayuki Furuta
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Patent number: 10724604Abstract: One object is to provide a speed reducer provided with a buffer mechanism for reducing an external force and capable of reliably measuring a load torque during an operation. A speed reducing device includes a speed reducing mechanism for reducing a rotation speed of an output with respect to an input between an input rotary shaft and an output rotary shaft, a housing that houses the speed reducing mechanism, and a buffer unit formed of an elastic member and having a cushion force acting mainly in a substantially rotational tangential direction. An amount of displacement of the housing generated by the buffer unit is measured by a measurement device.Type: GrantFiled: April 3, 2018Date of Patent: July 28, 2020Assignees: NABTESCO CORPORATION, CHIBA INSTITUTE OF TECHNOLOGYInventors: Yasuo Hayashibara, Kazuyoshi Makisumi, Fumihiro Kawasaki, Hideshi Shimada, John Verzemnieks
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Publication number: 20200023095Abstract: An adhesive for hard tissue bonding which has a sufficient pot life and excellent biocompatibility and is replaced with bone over time, and an adhesive kit for hard tissue bonding are provided. In addition, bone cement is provided which has excellent biocompatibility and is replaced with bone over time. An adhesive for hard tissue bonding includes: a cyanoacrylate monomer; and beta-tricalcium phosphate or hydroxyapatite. An adhesive kit for hard tissue bonding includes: a liquid agent containing a cyanoacrylate monomer; and a powdery agent containing beta-tricalcium phosphate or hydroxyapatite. Bone cement includes: a cyanoacrylate polymer; and beta-tricalcium phosphate or hydroxyapatite.Type: ApplicationFiled: March 27, 2018Publication date: January 23, 2020Applicants: Chiba Institute of Technology, Fukuyamaika CorporationInventors: Kazuaki Hashimoto, Hirobumi Shibata, Syuhei Aida, Shigeo Fukuyama, Takashi Meguro, Shinya Tanaka
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Patent number: 9636265Abstract: A single passenger carrying mobile robot, includes a single operated member that is operated by a passenger to instruct both a moving direction and a moving speed of the passenger carrying mobile robot, a moving member configured to move the passenger carrying mobile robot and a controller configured to control the moving member based on input information input to the operated member by the passenger, wherein the passenger carrying mobile robot further includes a sensor that acquires obstacle information of a surrounding of the passenger carrying mobile robot, and the controller predicts an expected course of the passenger carrying mobile robot based on the input information and determines based on the obstacle information whether or not an obstacle is located in the expected course, and changes a control of the moving member when determining that the obstacle is located.Type: GrantFiled: March 2, 2015Date of Patent: May 2, 2017Assignees: Chiba Institute Of Technology, Aisin Seiki Kabushiki KaishaInventors: Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Kengo Toda, Takashi Kodachi, Mitsuhiro Ando, Noboru Nagamine, Seongjun Yang, Hirotoshi Ochiai, Wataru Takayanagi
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Patent number: 9364913Abstract: In a method for brazing a sheet material without use of flux, an inert gas is firstly introduced into an oxygen pump to reduce an oxygen partial pressure in the inert gas to 1×10?10 Pa or less, and the sheet material is heated in a brazing furnace in an atmosphere of the inert gas discharged from the oxygen pump. A core alloy of the sheet material or a brazing filler alloy cladded to a surface of the core alloy contains Mg. Both the core alloy and the brazing filler alloy may contain Mg. Accordingly, brazability of the sheet material is sufficiently improved.Type: GrantFiled: April 29, 2014Date of Patent: June 14, 2016Assignees: DENSO CORPORATION, Chiba Institute of Technology, Canon Machinery Inc., UACJ CorporationInventors: Shin Takewaka, Shogo Yamada, Shumpei Ozawa, Tohru Nagasawa, Haruhiko Matsushita, Yasunaga Itoh, Tomoki Yamayoshi
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Publication number: 20140329109Abstract: In a method for brazing a sheet material without use of flux, an inert gas is firstly introduced into an oxygen pump to reduce an oxygen partial pressure in the inert gas to 1×10?10 Pa or less, and the sheet material is heated in a brazing furnace in an atmosphere of the inert gas discharged from the oxygen pump. A core alloy of the sheet material or a brazing filler alloy cladded to a surface of the core alloy contains Mg. Both the core alloy and the brazing filler alloy may contain Mg. Accordingly, brazability of the sheet material is sufficiently improved.Type: ApplicationFiled: April 29, 2014Publication date: November 6, 2014Applicants: DENSO CORPORATION, Chiba Institute of Technology, Canon Machinery Inc., UACJ CorporationInventors: Shin Takewaka, Shogo Yamada, Syumpei Ozawa, Tohru Nagasawa, Haruhiko Matsushita, Yasunaga Itoh, Tomoki Yamayoshi
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Patent number: 8561734Abstract: A car having a rotatable wheel, the car being able to run by rotating the wheel, the car having a leg used by the car for walking, and an attitude stabilization section for stabilizing an attitude of the car.Type: GrantFiled: February 4, 2010Date of Patent: October 22, 2013Assignee: Chiba Institute of TechnologyInventors: Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Yu Okumura, Tetsuo Tawara, Masaki Shimomura, Ken Endo
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Patent number: 8544572Abstract: A car having a rotatable wheel, the car being able to run by rotating the wheel, the car having a leg used by the car for walking, and an attitude stabilization section for stabilizing an attitude of the car.Type: GrantFiled: February 4, 2010Date of Patent: October 1, 2013Assignee: Chiba Institute of TechnologyInventors: Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Yu Okumura, Tetsuo Tawara, Masaki Shimomura, Ken Endo
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Publication number: 20120189663Abstract: The present invention aims to produce a safe and reliable medical composition, which efficiently boosts nonspecific immunity of antigen-presenting cells and thereby promotes an antitumor activity. To produce the medical composition, antigen-presenting cells such as dendritic cells are exposed to an activating reagent containing baculoviruses. Then, the antigen-presenting cells are separated from the activating reagent. The antigen-presenting cells are optionally cultured after the separation. Furthermore, an absence of the baculoviruses in the composition are optionally checked. The medical composition produced by the present invention is expected to have an outstanding therapeutic effect.Type: ApplicationFiled: September 10, 2010Publication date: July 26, 2012Applicant: Chiba Institute of TechnologyInventors: Hiroshi Takaku, Tomoyuki Suzuki, Myint Oo Chang, Norio Yamamoto, Kazuo Wakabayashi
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Patent number: 7837811Abstract: The present invention provides a method for manufacturing a composite of a carbon nanomaterial and a metallic material which has a homogeneous composite metal structure and thixotropic properties by compositing a metallic material of a non-ferrous metal alloy with a carbon nanomaterial by using both stirring and ultrasonic vibration. The method comprises compositing the metallic material of the non-ferrous metal alloy with the carbon nanomaterial by adding the carbon nanomaterial in a state where the metallic material shows thixotropic properties by spheroidization of solid phase in a semi-solid state, and the compositing is performed by a process for stirring and kneading the semi-solid metallic material while keeping the temperature thereof at a solid-liquid coexisting temperature, and a process for dispersing the carbon nanomaterial to liquid phase between solid phases by ultrasonic vibration.Type: GrantFiled: May 11, 2007Date of Patent: November 23, 2010Assignees: Nissei Plastic Industrial Co., Ltd., Chiba Institute of TechnologyInventors: Tetsuichi Motegi, Fumi Tanabe, Masashi Suganuma, Kazuo Anzai
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Publication number: 20100230186Abstract: A car includes a car body having a bottom portion, a wheel that is rotatable, and a supporting member for supporting the wheel, the supporting member being provided to the bottom portion. At least eight pairs of the wheel and the supporting member are provided. The supporting member has a first supporting portion for supporting the wheel rotatably, a second supporting portion for supporting the first supporting portion so that a direction of the wheel supported by the first supporting portion can be changed, and a turning portion that is rotatable about a rotation axis with its axial direction along a direction orthogonal to the bottom portion, the turning portion being provided to the bottom portion. The turning portion supports the second supporting portion so that a distance between the wheel and the bottom portion can be changed, and a position of the wheel can be moved by a rotation of the turning portion in a state that the distance is maintained.Type: ApplicationFiled: February 19, 2010Publication date: September 16, 2010Applicants: LEADING EDGE DESIGN CORP., CHIBA INSTITUTE OF TECHNOLOGYInventors: Shunji Yamanaka, Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Yu Okumura, Tetsuo Tawara, Masaki Shimomura, Ken Endo
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Publication number: 20100198493Abstract: A car having a rotatable wheel, the car being able to run by rotating the wheel, the car having a leg used by the car for walking, and an attitude stabilization section for stabilizing an attitude of the car.Type: ApplicationFiled: February 4, 2010Publication date: August 5, 2010Applicant: Chiba Institute of TechnologyInventors: Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Yu Okumura, Tetsuo Tawara, Masaki Shimomura, Ken Endo
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Publication number: 20100193265Abstract: A car having a rotatable wheel, the car being able to run by rotating the wheel, the car having a leg used by the car for walking, and an attitude stabilization section for stabilizing an attitude of the car.Type: ApplicationFiled: February 4, 2010Publication date: August 5, 2010Applicant: CHIBA INSTITUTE OF TECHNOLOGYInventors: Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Yu Okumura, Tetsuo Tawara, Masaki Shimomura, Ken Endo
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Patent number: 7690448Abstract: A car includes a car body having a bottom portion, a wheel that is rotatable, and a supporting member for supporting the wheel, the supporting member being provided to the bottom portion. At least eight pairs of the wheel and the supporting member are provided. The supporting member has a first supporting portion for supporting the wheel rotatably, a second supporting portion for supporting the first supporting portion so that a direction of the wheel supported by the first supporting portion can be changed, and a turning portion that is rotatable about a rotation axis with its axial direction along a direction orthogonal to the bottom portion, the turning portion being provided to the bottom portion. The turning portion supports the second supporting portion so that a distance between the wheel and the bottom portion can be changed, and a position of the wheel can be moved by a rotation of the turning portion in a state that the distance is maintained.Type: GrantFiled: June 14, 2006Date of Patent: April 6, 2010Assignees: Chiba Institute of Technology, Leading Edge Design Corp.Inventors: Shunji Yamanaka, Takayuki Furuta, Masaharu Shimizu, Hideaki Yamato, Yu Okumura, Tetsuo Tawara, Masaki Shimomura, Ken Endo