Patents by Inventor Yuji Adachi
Yuji Adachi 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: 8442714Abstract: An autonomous mobile device has its movement controlled by a control device and includes a first sensing unit for sensing an obstacle. The control device includes a first storage unit for storing information as to a temporary positional fluctuation of the obstacle and sets as a virtual obstacle region a region where it is predicted that the obstacle sensed by the first sensing unit travels following a predetermined time passage based on the information as to the temporary positional fluctuation of the obstacle stored in the first storage unit.Type: GrantFiled: April 14, 2008Date of Patent: May 14, 2013Assignee: Panasonic CorporationInventors: Yoshihiko Matsukawa, Soichiro Fujioka, Yuji Adachi, Toshio Inaji
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Publication number: 20120247249Abstract: A method of manufacturing a gear, and the resulting gear, the method resulting such that the surface layer portions of the tooth portions and a tooth root portion are made to be a carburized layer, the remaining portion of the tooth portions and a portion of a disk portion lying below the carburized layer be a quench-hardened layer, and a region of the disk portion lying deeper than the quench-hardened layer be an unquenched layer. The gear is manufactured using raw material steel having the following chemical composition: C: 0.1% to 0.40% (% by mass), Si: 0.35% to 3.0%, Mn: 0.1% to 3.0%, Cr: less than 0.2%, Mo: 0.1% or less, P: 0.03% or less, S: 0.15% or less, Al: 0.05% or less, N: 0.03% or less, and Fe and unavoidable impurities.Type: ApplicationFiled: April 8, 2011Publication date: October 4, 2012Applicants: NIPPON STEEL CORPORATION, AISIN AW CO., LTD.Inventors: Koji Obayashi, Keita Taguchi, Susumu Kato, Shuji Kozawa, Manabu Kubota, Yuji Adachi, Hirokazu Sato
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Publication number: 20120247619Abstract: A carburized steel member is manufactured by specific carburizing, cooling, and quenching steps. The steel member contains: C: 0.1% to 0.4%, Si: 0.35% to 3.0%, Mn: 0.1% to 3.0%, P: 0.03% or less, S: 0.15% or less, Al: 0.05% or less, and N: 0.03% or less, and a content of Cr is less than 0.2%, a content of Mo is 0.1% or less, and remainder is constituted of Fe and unavoidable impurities. A surface layer thereof includes: a first layer having a carbon concentration of 0.60 mass % to 0.85 mass % and including a martensitic structure in which no grain boundary oxide layer caused by Si exists; a second layer having a carbon concentration of 0.1 mass % to 0.4 mass % and including a martensitic structure; and a third layer having a carbon concentration of 0.1 mass % to 0.4 mass % and including no martensitic structure.Type: ApplicationFiled: April 8, 2011Publication date: October 4, 2012Applicants: NIPPON STEEL CORPORATION, AISIN AW CO., LTD.Inventors: Koji Obayashi, Keita Taguchi, Susumu Kato, Shuji Kozawa, Manabu Kubota, Yuji Adachi, Hirokazu Sato
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Publication number: 20120033303Abstract: A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets.Type: ApplicationFiled: October 11, 2011Publication date: February 9, 2012Applicant: PANASONIC CORPORATIONInventors: Eiichi NAGAOKA, Takayuki HAYASHI, Keiji SAKAMOTO, Kenichi HAYASHI, Daisuke ITO, Yuji ADACHI
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Publication number: 20110286115Abstract: A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets.Type: ApplicationFiled: August 3, 2011Publication date: November 24, 2011Applicant: PANASONIC CORPORATIONInventors: Eiichi Nagaoka, Keiji Sakamoto, Yuji Adachi
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Patent number: 7778732Abstract: A working robot arm and an object recognizing unit used for recognizing a moving body such as a person and an animal are prepared, and while an object recognized by the object recognizing unit is blocked by a shielding operation by the use of the robot arm or a trunk portion of a robot mechanism unit, a job is carried out by the working robot arm so that it becomes possible to actively ensure a working space of the robot mechanism unit, and consequently to continue the job safely.Type: GrantFiled: January 21, 2009Date of Patent: August 17, 2010Assignee: Panasonic CorporationInventors: Yuji Adachi, Yasunao Okazaki, Katsuhiko Asai, Kazuo Yokoyama
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Patent number: 7654595Abstract: A multi-joint drive mechanism includes a bone-member layer member (101) in which a plurality of bone members are arranged in arrays and in a generally planar fashion, the plurality of bone members being movably coupled at coupling portions (3A), and elastically expanding/contracting members (3) which are arranged so as to stretch over the coupling portions on one side or both sides of the bone-member layer member and moreover which are fixed between the plurality of bone members, wherein the multi-joint drive mechanism drives flexural motions of joints between the plurality of adjoining bone members by expanding or contracting the elastically expanding/contracting member.Type: GrantFiled: June 23, 2003Date of Patent: February 2, 2010Assignee: Panasonic CorporationInventors: Kazuo Yokoyama, Atsushi Ono, Katsuhiko Asai, Yuji Adachi, Masaki Yamamoto
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Patent number: 7635041Abstract: A two-wheeled inverted robot includes a body, two wheels coaxially arranged on the body, a drive device for driving each of the wheels, a first state detector for detecting at least one of an inclination angle and an inclination angular speed of the body, a second state detector for detecting at least one of a rotation angle and a rotational angular speed of the wheel, a body constraint recognizing device for detecting whether or not body rotation is constrained, and a controller for determining a command value to the drive device. Based on the detection result by the body constraint recognizing device, the controller determines the command value for changing a ratio of a torque contributing to the body rotation.Type: GrantFiled: April 27, 2007Date of Patent: December 22, 2009Assignee: Panasonic CorporationInventor: Yuji Adachi
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Publication number: 20090153985Abstract: A lens barrel includes a fourth lens, a prism, and a sixth lens. The fourth lens receives a light flux incident along a first optical axis. The prism includes a reflecting surface reflecting the light flux passing through the fourth lens to a direction along a second optical axis intersecting with the first optical axis. The sixth lens receives the light flux reflected by the prism. A second group frame includes an opening portion, a prism retaining frame that is arranged in a more inner position than the opening portion and in which the prism is contained, and a plurality of adhesive pockets arranged on an area around the prism retaining frame and being open to the side of the opening portion. Adhesive agent is filled in the adhesive pockets.Type: ApplicationFiled: January 15, 2009Publication date: June 18, 2009Applicant: PANASONIC CORPORATIONInventors: Eiichi Nagaoka, Takayuki Hayashi, Keiji Sakamoto, Kenichi Hayashi, Daisuke Ito, Yuji Adachi
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Patent number: 7539558Abstract: A working robot arm and an object recognizing unit used for recognizing a moving body such as a person and an animal are prepared, and while an object recognized by the object recognizing unit is blocked by a shielding operation by the use of one portion of a robot mechanism unit, a job is carried out by the working robot arm so that it becomes possible to actively ensure a working space of the robot mechanism unit, and consequently to continue the job safely.Type: GrantFiled: April 10, 2007Date of Patent: May 26, 2009Assignee: Panasonic CorporationInventors: Yuji Adachi, Yasunao Okazaki, Katsuhiko Asai, Kazuo Yokoyama
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Publication number: 20090125145Abstract: A working robot arm and an object recognizing unit used for recognizing a moving body such as a person and an animal are prepared, and while an object recognized by the object recognizing unit is blocked by a shielding operation by the use of the robot arm or a trunk portion of a robot mechanism unit, a job is carried out by the working robot arm so that it becomes possible to actively ensure a working space of the robot mechanism unit, and consequently to continue the job safely.Type: ApplicationFiled: January 21, 2009Publication date: May 14, 2009Inventors: Yuji Adachi, Yasunao Okazaki, Katsuhiko Asai, Kazuo Yokoyama
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Publication number: 20090043440Abstract: An autonomous mobile device has its movement controlled by a control device and includes a first sensing unit for sensing an obstacle. The control device includes a first storage unit for storing information as to a temporary positional fluctuation of the obstacle and sets as a virtual obstacle region a region where it is predicted that the obstacle sensed by the first sensing unit travels following a predetermined time passage based on the information as to the temporary positional fluctuation of the obstacle stored in the first storage unit.Type: ApplicationFiled: April 14, 2008Publication date: February 12, 2009Inventors: Yoshihiko MATSUKAWA, Soichiro Fujioka, Yuji Adachi, Toshio Inaji
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Publication number: 20080173493Abstract: A two-wheeled inverted robot of the present invention includes a body, two wheels coaxially arranged on the body, a drive device for driving each of the wheels, first state detection means for detecting at least one of an inclination angle and an inclination angular speed of the body, second state detection means for detecting at least one of a rotation angle and a rotational angular speed of the wheel, body constraint recognizing means for detecting whether or not body rotation is constrained, and control means for determining a command value to the drive device. Based on the detection result by the body constraint recognizing means, the control means determines the command value for changing a ratio of a torque contributing to the body rotation.Type: ApplicationFiled: April 27, 2007Publication date: July 24, 2008Inventor: Yuji Adachi
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Publication number: 20080161970Abstract: A working robot arm and an object recognizing unit used for recognizing a moving body such as a person and an animal are prepared, and while an object recognized by the object recognizing unit is blocked by a shielding operation by the use of one portion of a robot mechanism unit, a job is carried out by the working robot arm so that it becomes possible to actively ensure a working space of the robot mechanism unit, and consequently to continue the job safely.Type: ApplicationFiled: April 10, 2007Publication date: July 3, 2008Inventors: Yuji Adachi, Yasunao Okazaki, Katsuhiko Asai, Kazuo Yokoyama
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Patent number: 7260450Abstract: An internal pressure of a hydropneumatic drive actuator is measured by a pressure measurement device, a displacement amount of a movable mechanism is measured, a desired value and a measurement value of the displacement are inputted so that a position error is compensated by a position error compensation device, a desired value of a pressure difference of the actuator to which antagonistic driving is performed by the desired value is calculated by a desired pressure difference calculation device, outputs from the position error compensation device, the desired pressure difference calculation device, and the pressure measurement device are inputted, and a pressure difference error is compensated by pressure difference error compensation device.Type: GrantFiled: January 18, 2007Date of Patent: August 21, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yasunao Okazaki, Masaki Yamamoto, Yuji Adachi, Katsuhiko Asai
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Publication number: 20070118252Abstract: An internal pressure of a hydropneumatic drive actuator is measured by a pressure measurement device, a displacement amount of a movable mechanism is measured, a desired value and a measurement value of the displacement are inputted so that a position error is compensated by a position error compensation device, a desired value of a pressure difference of the actuator to which antagonistic driving is performed by the desired value is calculated by a desired pressure difference calculation device, outputs from the position error compensation device, the desired pressure difference calculation device, and the pressure measurement device are inputted, and a pressure difference error is compensated by pressure difference error compensation device.Type: ApplicationFiled: January 18, 2007Publication date: May 24, 2007Inventors: Yasunao Okazaki, Masaki Yamamoto, Yuji Adachi, Katsuhiko Asai
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Patent number: 7184858Abstract: An internal pressure of a hydropneumatic drive actuator is measured by a pressure measurement device, a displacement amount of a movable mechanism is measured, a desired value and a measurement value of the displacement are inputted so that a position error is compensated by a position error compensation device, a desired value of a pressure difference of the actuator to which antagonistic driving is performed by the desired value is calculated by a desired pressure difference calculation device, outputs from the position error compensation device, the desired pressure difference calculation device, and the pressure measurement device are inputted, and a pressure difference error is compensated by pressure difference error compensation device.Type: GrantFiled: March 21, 2006Date of Patent: February 27, 2007Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yasunao Okazaki, Masaki Yamamoto, Yuji Adachi, Katsuhiko Asai
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Patent number: 7116359Abstract: An image acquired by an image sensor is recorded, and the blur amount of the recorded image is changed in accordance with a blur amount determined beforehand.Type: GrantFiled: November 15, 2001Date of Patent: October 3, 2006Assignee: Minolta Co., Ltd.Inventors: Masahiro Kitamura, Kazuchika Sato, Noriyuki Okisu, Mutsuhiro Yamanaka, Yuji Adachi, Keiji Tamai
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Publication number: 20060210265Abstract: A lens-interchangeable digital camera having a body, a taking lens that is detachably attached to the body and is driven by a motor provided in the taking lens or a motor provided in the body, a lens determining unit configured to determine a kind of the taking lens attached to the body, an electronic viewfinder that displays a live view image captured by an image sensor provided in the body, and a display controller configured to control display of the live view image by the electronic viewfinder based on determination by the lens determining unit.Type: ApplicationFiled: March 14, 2006Publication date: September 21, 2006Inventor: Yuji Adachi
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Publication number: 20060207419Abstract: An internal pressure of a hydropneumatic drive actuator is measured by a pressure measurement device, a displacement amount of a movable mechanism is measured, a desired value and a measurement value of the displacement are inputted so that a position error is compensated by a position error compensation device, a desired value of a pressure difference of the actuator to which antagonistic driving is performed by the desired value is calculated by a desired pressure difference calculation device, outputs from the position error compensation device, the desired pressure difference calculation device, and the pressure measurement device are inputted, and a pressure difference error is compensated by pressure difference error compensation device.Type: ApplicationFiled: March 21, 2006Publication date: September 21, 2006Inventors: Yasunao Okazaki, Masaki Yamamoto, Yuji Adachi, Katsuhiko Asai