Patents by Inventor Tomonori Nakazawa
Tomonori Nakazawa 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).
-
Patent number: 11448942Abstract: A rotational mechanism includes a frame, a plurality of rotational units, an inner ring rotatably supported on the frame via the plurality of rotational units, and a rotation driving unit configured to generate power for rotating the inner ring. The inner ring is provided with a protrusion portion on an outer periphery. Each of the plurality of rotational units includes two bearings and a first pressing unit. The first pressing unit is configured to apply pressing forces to the two bearings in opposite directions in a rotational axis direction of the inner race. The protrusion portion is held between the two bearings due to the pressing forces.Type: GrantFiled: October 25, 2019Date of Patent: September 20, 2022Assignee: Canon Kabushiki KaishaInventors: Takeaki Yokoi, Tomonori Nakazawa, Jun Kawata
-
Publication number: 20210231998Abstract: A display apparatus includes: a display panel configured to transmit light applied to a back side thereof to display an image; an optical member provided behind the back side of the display panel such that a first space is formed between the display panel and the optical member; a light-emitting member provided behind a back side of the optical member to apply light to the back side of the display panel through the optical member; and a flow-path forming member forming a flow path that allows air to flow from one of outside of the display apparatus and a part of the first space corresponding to at least one of four outer edges of the display panel to the other.Type: ApplicationFiled: January 27, 2021Publication date: July 29, 2021Inventors: Shinnosuke Noso, Ryo Ohtomo, Takuma Kanno, Masahiro Kamiyoshihara, Tetsuya Ishida, Yasuhiro Matsuura, Jun Kawata, Tomonori Nakazawa
-
Publication number: 20200133100Abstract: A rotational mechanism includes a frame, a plurality of rotational units, an inner ring rotatably supported on the frame via the plurality of rotational units, and a rotation driving unit configured to generate power for rotating the inner ring. The inner ring is provided with a protrusion portion on an outer periphery. Each of the plurality of rotational units includes two bearings and a first pressing unit. The first pressing unit is configured to apply pressing forces to the two bearings in opposite directions in a rotational axis direction of the inner race. The protrusion portion is held between the two bearings due to the pressing forces.Type: ApplicationFiled: October 25, 2019Publication date: April 30, 2020Inventors: Takeaki Yokoi, Tomonori Nakazawa, Jun Kawata
-
Patent number: 10120230Abstract: An image display apparatus includes a display module that displays an image, a cooling fan that rotates to cool the display module, an ambient temperature sensor that acquires an ambient temperature of the display module, and a fan control circuit board that controls a speed of rotation of the cooling fan. In response to acquisition of a mode change signal by the fan control circuit board, the fan control circuit board controls the speed of rotation of the cooling fan from a first speed of rotation to a second speed of rotation lower than the first speed of rotation and, in response to a lapse of a first period determined based on the ambient temperature, controls the speed of rotation of the cooling fan from the second speed of rotation to a third speed of rotation higher than the second speed of rotation.Type: GrantFiled: August 18, 2016Date of Patent: November 6, 2018Assignee: Canon Kabushiki KaishaInventor: Tomonori Nakazawa
-
Publication number: 20170059920Abstract: An image display apparatus includes a display module that displays an image, a cooling fan that rotates to cool the display module, an ambient temperature sensor that acquires an ambient temperature of the display module, and a fan control circuit board that controls a speed of rotation of the cooling fan. In response to acquisition of a mode change signal by the fan control circuit board, the fan control circuit board controls the speed of rotation of the cooling fan from a first speed of rotation to a second speed of rotation lower than the first speed of rotation and, in response to a lapse of a first period determined based on the ambient temperature, controls the speed of rotation of the cooling fan from the second speed of rotation to a third speed of rotation higher than the second speed of rotation.Type: ApplicationFiled: August 18, 2016Publication date: March 2, 2017Inventor: Tomonori Nakazawa
-
Patent number: 9557592Abstract: Provided is a display device including: a display panel; a support member that is in contact with at least a part of a lower side of the display panel; and a panel holder that has a first member supporting via the support member the lower side of the display panel. The support member is an elastic body that, in a case where the display panel is deformed, deforms accordingly as a result of a part thereof moving relative to the first member.Type: GrantFiled: January 23, 2015Date of Patent: January 31, 2017Assignee: Canon Kabushiki KaishaInventors: Tomonori Nakazawa, Masashi Morishita
-
Publication number: 20150212363Abstract: Provided is a display device including: a display panel; a support member that is in contact with at least a part of a lower side of the display panel; and a panel holder that has a first member supporting via the support member the lower side of the display panel. The support member is an elastic body that, in a case where the display panel is deformed, deforms accordingly as a result of a part thereof moving relative to the first member.Type: ApplicationFiled: January 23, 2015Publication date: July 30, 2015Inventors: Tomonori Nakazawa, Masashi Morishita
-
Patent number: 8641858Abstract: A manufacturing method provides an airtight container having a first plate structure, a second plate structure having a wiring formed on a surface facing the first plate structure, a frame arranged between the first plate structure and the second plate structure, a first bonding material arranged between the first plate structure and the frame, and a second bonding material arranged between the second plate structure and the frame. The method includes the steps of bonding the first plate structure and the frame by irradiating a first energy beam to the first bonding material by transmitting the first energy beam through the first plate structure, and bonding the second plate structure and the frame by irradiating a second energy beam to the second bonding material by transmitting the second energy beam through the first plate structure and the frame. The first energy beam and the second energy beam are scanned in close proximity to each other and at the same speed.Type: GrantFiled: January 29, 2009Date of Patent: February 4, 2014Assignee: Canon Kabushiki KaishaInventors: Yasuo Ohashi, Tomonori Nakazawa, Kosuke Kurachi, Masahiro Tagawa, Mitsutoshi Hasegawa
-
Patent number: 8476550Abstract: A manufacturing method of a hermetic container includes steps of bonding a frame member to a first substrate, by pressing the first substrate and the second substrate to each other by an electrostatic force generated between a first electrode and a second electrode by applying a potential difference between the first electrode and the second electrode, and softening and melting the bonding material. Additional steps include cooling and solidifying the bonding material by simultaneously heating the bonding material with a local heating unit and moving the local heating unit, and increasing the potential difference between the first electrode and a segment of the second electrode, which is in a position at which the segment is heated by the local heating unit.Type: GrantFiled: July 27, 2011Date of Patent: July 2, 2013Assignee: Canon Kabushiki KaishaInventors: Nobuhiro Ito, Akihiro Kimura, Tomonori Nakazawa
-
Patent number: 8341836Abstract: An airtight container manufacturing method includes the steps of (a) exhausting an inside of a container through the through-hole; (b) arranging a spacer along a periphery of the through-hole on an outer surface of the container the inside of which has been exhausted; (c) arranging a plate so that the spacer and the through-hole are covered by the plate and a gap is formed along a side surface of the spacer between the plate and the container outer surface; and (d) arranging the cover to cover the plate and bonding the cover and the container outer surface via sealant positioned between the cover and the container outer surface. The sealing includes hardening the sealant after deforming the sealant by pressing the plate with the cover so that the gap is infilled with the sealant.Type: GrantFiled: January 19, 2010Date of Patent: January 1, 2013Assignee: Canon Kabushiki KaishaInventors: Tomonori Nakazawa, Kinya Kamiguchi, Toshimitsu Kawase, Nobuhiro Ito, Mitsutoshi Hasegawa, Koichiro Nakanishi, Kazuo Koyanagi
-
Publication number: 20120048453Abstract: A manufacturing method of a hermetic container comprises steps of: bonding the frame member 130 to the first substrate 110, by pressing the first substrate and the second substrate to each other by an electrostatic force generated between the first electrode and the second electrode by applying a potential difference between the first electrode 116 and the second electrode 132; softening and melting the bonding material, and then cooling and solidifying the bonding material, by simultaneously heating the bonding material with a locally heating unit 150 and moving the locally heating unit; and increasing the potential difference between the first electrode and the segment of the second electrode, which is in a position at which the segment is heated by the locally heating unit.Type: ApplicationFiled: July 27, 2011Publication date: March 1, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Nobuhiro Ito, Akihiro Kimura, Tomonori Nakazawa
-
Patent number: 8123582Abstract: An airtight container manufacturing method includes the steps of exhausting an inside of a container through a through-hole provided in the container, arranging a plate member having, at its periphery, grooves penetrating the plate member in its plate thickness direction, on an outer surface of the exhausted container, so as to close up the through-hole, and providing a sealant on the plate member. In addition, a cover member covers the plate member via the sealant, and the container is sealed by closing the cover member on the plate member. In the sealing step the sealant is deformed and flows from the adjacent grooves to form a continuous shape and fill a space between the cover member and the outer surface of the container and along the periphery of the plate member.Type: GrantFiled: January 19, 2010Date of Patent: February 28, 2012Assignee: Canon Kabushiki KaishaInventors: Kinya Kamiguchi, Tomonori Nakazawa, Toshimitsu Kawase, Nobuhiro Ito, Mitsutoshi Hasegawa, Koichiro Nakanishi, Kazuo Koyanagi
-
Publication number: 20110285686Abstract: A display apparatus includes: a first insulating substrate provided with a cathode and a through hole; a second insulating substrate provided with an anode to which a voltage for accelerating the electron emitted from the cathode is applied; a voltage application structure connected to the anode through the through hole, configured to apply the voltage to the anode; and a first potential regulation structure that is provided in such a manner to enclose the through hole on a first face of the first insulating substrate and regulated at a lower potential than that of the anode. A second potential regulation structure that is in contact with a wall surface constituting the through hole therein and regulates a potential of a contact portion with the wall surface at a voltage same as that of the voltage application structure.Type: ApplicationFiled: May 4, 2011Publication date: November 24, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Tomonori Nakazawa, Kinya Kamiguchi
-
Patent number: 8033886Abstract: An airtight container manufacturing method includes the steps of exhausting an inside of a container through a through-hole provided in the container, and arranging a spacer member along a periphery of the through-hole on an outer surface of the container. Additional steps include arranging a plate member having, at its periphery, grooves penetrating the plate member in its plate thickness direction so that a sealant will flow from the grooves to a side surface of the spacer member, with the spacer member and the through-hole covered by the plate member, and a gap is formed along the side surface of the spacer member between the plate member and the outer surface of the container, and sealing the container by arranging a cover member to cover the plate member via a sealant.Type: GrantFiled: January 19, 2010Date of Patent: October 11, 2011Assignee: Canon Kabushiki KaishaInventors: Kinya Kamiguchi, Tomonori Nakazawa, Toshimitsu Kawase, Nobuhiro Ito, Mitsutoshi Hasegawa, Koichiro Nakanishi, Kazuo Koyanagi
-
Patent number: 7815760Abstract: A method of manufacturing a hermetically sealed container including a pair of substrates disposed in opposition to each other, a frame member disposed between the pair of substrates, and a bonding member bonding the substrate to the frame member, includes a bonding step of heating the bonding member for bonding the substrate to the frame member. The bonding step includes a measuring process for measuring a height of the bonding member in a direction perpendicular to the substrate, and a heating and pressing process for partially pressing the substrate to the bonding member while partially heating the bonding member. The heating and pressing process is conducted by scanning, along the bonding member, an area of the bonding member partially heated and an area of the substrate partially pressed.Type: GrantFiled: September 9, 2008Date of Patent: October 19, 2010Assignee: Canon Kabushiki KaishaInventors: Akihiro Kimura, Masahiro Tagawa, Nobuhiro Ito, Takayuki Ogawara, Tomonori Nakazawa
-
Publication number: 20100190409Abstract: In an airtight container manufacturing method including sealing a through-hole by a cover, it secures sealing performance and restrains a sealant from flowing into the through-hole. The method comprises: (a) exhausting the inside of a container through the through-hole provided on the container; (b) arranging a plate member having, at its periphery, grooves penetrating the plate member in its plate thickness direction on the outer surface of the container the inside of which has been exhausted, so as to close up the through-hole; and (c) arranging the cover so as to cover the plate member via the sealant and bonding the cover and the outer surface of the container via the sealant, wherein the sealing includes hardening the sealant after deforming the sealant as pressing the plate member by the cover so that the sealant is positioned between the cover and the outer surface of the container via the grooves.Type: ApplicationFiled: January 19, 2010Publication date: July 29, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Kinya Kamiguchi, Tomonori Nakazawa, Toshimitsu Kawase, Nobuhiro Ito, Mitsutoshi Hasegawa, Koichiro Nakanishi, Kazuo Koyanagi
-
Publication number: 20100186350Abstract: In airtight container manufacturing method including sealing a through-hole by a cover, it secures sealing performance and restrains sealant from flowing into the through-hole. The method comprises: (a) exhausting inside of a container through the through-hole; (b) arranging a spacer along periphery of the through-hole on an outer surface of the container the inside of which has been exhausted; (c) arranging a plate so that the spacer and the through-hole are covered by the plate and gap is formed along a side surface of the spacer between the plate and the container outer surface; and (d) arranging the cover to cover the plate and bonding the cover and the container outer surface via sealant positioned between the cover and the container outer surface, wherein the sealing includes hardening the sealant after deforming the sealant as pressing the plate by the cover so that the gap is infilled with the sealant.Type: ApplicationFiled: January 19, 2010Publication date: July 29, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Tomonori Nakazawa, Kinya Kamiguchi, Toshimitsu Kawase, Nobuhiro Ito, Mitsutoshi Hasegawa, Koichiro Nakanishi, Kazuo Koyanagi
-
Publication number: 20100190408Abstract: In an airtight container manufacturing method including sealing a through-hole by a cover, it secures sealing performance and restrains a sealant from flowing into the through-hole. The method comprises: (a) exhausting the inside of a container through the through-hole provided on the container; (b) arranging a plate member having, at its periphery, grooves penetrating the plate member in its plate thickness direction on the outer surface of the container the inside of which has been exhausted, so as to close up the through-hole; and (c) arranging the cover so as to cover the plate member via the sealant and bonding the cover and the outer surface of the container via the sealant, wherein the sealing includes hardening the sealant after deforming the sealant as pressing the plate member by the cover so that the sealant is positioned between the cover and the outer surface of the container via the grooves.Type: ApplicationFiled: January 19, 2010Publication date: July 29, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Kinya Kamiguchi, Tomonori Nakazawa, Toshimitsu Kawase, Nobuhiro Ito, Mitsutoshi Hasegawa, Koichiro Nakanishi, Kazuo Koyanagi
-
Publication number: 20090199963Abstract: An airtight container manufacturing method capable of effectively utilizing an energy beam and improving a “takt time” as acquiring desired bonding intensity is provided. That is, a first bonding material is arranged between a first plate structure and a frame, a second bonding material is arranged between a second plate structure and the frame. The energy beam is irradiated to the first bonding material through the first plate structure to bond the first plate structure and the frame. The energy beam is irradiated to the second bonding material through the frame so that the beam transmits through the first plate structure and the surface of the frame on the side of the first plate structure, to bond the second plate structure and the frame. Such bonding processes are performed after an arrangement step.Type: ApplicationFiled: January 29, 2009Publication date: August 13, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Yasuo Ohashi, Tomonori Nakazawa, Kosuke Kurachi, Masahiro Tagawa, Mitsutoshi Hasegawa
-
Publication number: 20090071588Abstract: The method of manufacturing a hermetically sealed container improved is provided. The height of each location of a bonding member is measured across all the extending directions of the bonding member. The control computer decides a pressing force of a pressing cylinder for pressing and deforming the substrate so that a constant pressure is applied between a substrate and the bonding member based on the height of the bonding member of the position heated by a heater. Next, a rotating body, the heater, and the pressing cylinder, which are integrally fixed, are scanned along the bonding member. By the pressing force calculated by the control computer, the pressing cylinder is driven and the rotating body is pressed to the substrate side, while being rotationally driven, so that the light beam by the heater such as a laser device is irradiated.Type: ApplicationFiled: September 9, 2008Publication date: March 19, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Akihiro Kimura, Masahiro Tagawa, Nobuhiro Ito, Takayuki Ogawara, Tomonori Nakazawa