Patents Assigned to Pigeon Corporation
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Patent number: 11207450Abstract: A breast pump according to the present invention includes a variable pressure generating unit, the variable pressure generating unit including a power driving unit including a stepping motor that is capable of rotating both normally and in reverse, and a negative pressure forming unit that creates a negative pressure state periodically by causing an elastic body to deform in accordance with a cycle period formed by the power driving unit, wherein the negative pressure forming unit is coupled to the expressing unit, and the stepping motor is capable of modifying an amplitude of the cycle period and the cycle period during negative pressure formation as desired. Hence, a suction pressure and a pressure increase/decrease cycle can both be set as desired, and moreover, a breast pump that uses electric power can be constructed compactly.Type: GrantFiled: November 11, 2016Date of Patent: December 28, 2021Assignee: PIGEON CORPORATIONInventor: Yuichiro Tanaka
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Patent number: 11168800Abstract: [Problem] To provide a check-valve in which the occurrence of damage such as tearing, deformation, etc., can be suppressed. [Solution] A check-valve opens and closes an opening provided in a main body and prevents a backflow of a fluid passing through the opening; and the check-valve includes a base part 71 which is flexible, and a valve part 72 which opens and closes the opening, has a thickness thinner than a thickness of the base part 71, and is connected to the base part 71 in a state in which a periphery of the valve part 72 is surrounded with the base part 71. The valve part 72 seals the opening in a normal state of the valve part 72 being pre-urged toward the main body by an elasticity of the base part 71, and opens the opening when the fluid passes through the opening in one direction.Type: GrantFiled: June 22, 2018Date of Patent: November 9, 2021Assignee: PIGEON CORPORATIONInventors: Yukifumi Ochiai, Yuichiro Tanaka, Yoshihito Sugiyama
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Patent number: 11123462Abstract: A manual breast pump includes: a body having a communicating part that communicates with space surrounded by a hood placed on a breast; a diaphragm that deforms to generate a negative pressure in the communicating part; and a handle for operation that approaches and separates from the body, wherein a colliding part, against which at least the handle and the body collide before directly contacting each other, is provided in at least a region of any of the handle, the body, and the diaphragm, the colliding part is integrally made of a same material as a material of a region in which the colliding part is arranged, and has a damper structure that absorbs an impulsive force or reduces propagation of the impulsive force and/or a cover structure in which the colliding part is covered via a gap so as not to be exposed to an outside.Type: GrantFiled: May 11, 2017Date of Patent: September 21, 2021Assignee: PIGEON CORPORATIONInventor: Yukifumi Ochiai
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Patent number: 9724454Abstract: [Problem] To provide a manual breast pump which can be disassembled and assembled easily for cleaning purposes, and which can easily change a negative pressure during expression of milk which is generated by an operating section. [Means for Solving] It is provided an accommodating vessel 11 for storing breast milk, a breast pump main body 21, and a manual operating section 61 attached to the breast pump main body and deforming a negative pressure generating member 30 installed on the breast pump main body. The manual operating section 61 has a lever shape, and has an engagement structure 80 which engages with the engaging section 38 on the breast pump main body 21 side. The engagement structure 80 tilts down the extending section erected in the form of a pillar, the extending section being a part of the negative pressure generating member, and is selectively engaged with a plurality of engaging sections provided in the middle of the extending section upon erecting the extending section.Type: GrantFiled: January 17, 2013Date of Patent: August 8, 2017Assignee: PIGEON CorporationInventor: Daisuke Yamashita
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Patent number: 9220360Abstract: A beverage container includes a container main body, an inner lid portion that covers the container main body, a spout portion which is formed on the inner lid portion and through which a beverage is discharged, a spout blocking portion 3a that blocks the spout portion, an outer lid portion disposed so as to be able to engage with and disengage from the inner lid portion, a ventilation portion that allows air to flow between the inside and the outside of the container main body, and a vent blocking portion formed on the outer lid portion or the inner lid portion to block the ventilation portion when the outer lid portion is placed to close the inner lid portion. A cancellation operation portion which cancels engagement between the outer lid portion and the inner lid portion is formed, and the beverage container further includes a ventilation adjusting protruding portion.Type: GrantFiled: May 31, 2011Date of Patent: December 29, 2015Assignee: PIGEON CORPORATIONInventors: Keisuke Arai, Masakazu Yoshida, Norio Kimura
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Patent number: 9216245Abstract: The invention provides a manual breast pump which can be disassembled and assembled easily for cleaning purposes, and which can readily modify a negative pressure during expression of milk generated by a lever-type operating section. A breast pump having an accommodating vessel for collecting breast milk, a breast pump main body, and an operating section attached to the breast pump main body and for deforming a negative pressure generating member installed on the breast pump main body, wherein the operating section has a lever form and includes an engagement opening as an engaged section for engaging with an engaging section provided on the breast pump main body, and the engagement opening is selectively engaged with engaging sections in a plurality of positions provided midway on an extending section erected in a pillar shape as one portion of the negative pressure generating member.Type: GrantFiled: April 20, 2012Date of Patent: December 22, 2015Assignee: Pigeon CorporationInventors: Daisuke Yamashita, Mitsuo Tashiro
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Patent number: 9078962Abstract: The invention provides a breast pump capable of effectively preventing the occurrence of leaking of breast milk from a milk expressing section having an enlarged diameter during expression of milk, and also effectively preventing the loss of negative pressure due to leaking. A breast pump has an accommodating vessel for collecting breast milk; a breast pump main body which generates negative pressure for expressing milk; an enlarged-diameter milk expressing section having an enlarged diameter for abutting against a breast of a user; and a shock absorbing section, at least a portion of which abuts against a breast of a user by being formed in a substantially circular trumpet shape following an opening section of the enlarged-diameter milk expressing section, wherein the shock absorbing section includes an abutting section which abuts against an areola of the user and a tight contact section which makes tight contact with the user's breast.Type: GrantFiled: April 25, 2012Date of Patent: July 14, 2015Assignee: Pigeon CorporationInventors: Naoko Hirata, Satoru Saito, Daisuke Yamashita, Mitsuo Tashiro
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Patent number: 8992467Abstract: A nipple coating member and a milking device for gathering mother's milk effectively. The pad of a milking device comprises a tubular frame having a large diameter side opening for inserting the nipple formed on one end side and a small diameter side opening formed on the other end side, a first flexible portion provided at a part in the circumferential direction between the large diameter side opening and the small diameter side opening of the tubular frame, and a second flexible portion provided at a position opposing the first flexible portion independently thereof. The first flexible portion can be deformed inward of the tubular frame by a pressing force from the outside of the pad, and the second flexible portion can be deformed outward of the tubular frame by a pressing force from the inside of the pad.Type: GrantFiled: January 25, 2008Date of Patent: March 31, 2015Assignee: Pigeon CorporationInventors: Hiroshi Kobayashi, Hiroshi Kawamura, Yukinari Awano, Katsumi Mizuno, Zenichi Onuki, Aki Ishimaru
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Publication number: 20140166679Abstract: A beverage container includes a container main body, an inner lid portion that covers the container main body, a spout portion which is formed on the inner lid portion and through which a beverage is discharged, a spout blocking portion 3a that blocks the spout portion, an outer lid portion disposed so as to be able to engage with and disengage from the inner lid portion, a ventilation portion that allows air to flow between the inside and the outside of the container main body, and a vent blocking portion formed on the outer lid portion or the inner lid portion to block the ventilation portion when the outer lid portion is placed to close the inner lid portion. A cancellation operation portion which cancels engagement between the outer lid portion and the inner lid portion is formed, and the beverage container further includes a ventilation adjusting protruding portion.Type: ApplicationFiled: May 31, 2011Publication date: June 19, 2014Applicant: Pigeon CorporationInventors: Keisuke Arai, Masakazu Yoshida, Norio Kimura
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Publication number: 20140100520Abstract: The invention provides a manual breast pump which can be disassembled and assembled easily for cleaning purposes, and which can readily modify a negative pressure during expression of milk generated by a lever-type operating section. A breast pump having an accommodating vessel for collecting breast milk, a breast pump main body, and an operating section attached to the breast pump main body and for deforming a negative pressure generating member installed on the breast pump main body, wherein the operating section has a lever form and includes an engagement opening as an engaged section for engaging with an engaging section provided on the breast pump main body, and the engagement opening is selectively engaged with engaging sections in a plurality of positions provided midway on an extending section erected in a pillar shape as one portion of the negative pressure generating member.Type: ApplicationFiled: April 20, 2012Publication date: April 10, 2014Applicant: PIGEON CORPORATIONInventors: Daisuke Yamashita, Mitsuo Tashiro
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Publication number: 20140094747Abstract: The invention provides a breast pump capable of effectively preventing the occurrence of leaking of breast milk from a milk expressing section having an enlarged diameter during expression of milk, and also effectively preventing the loss of negative pressure due to leaking. A breast pump has an accommodating vessel for collecting breast milk; a breast pump main body which generates negative pressure for expressing milk; an enlarged-diameter milk expressing section having an enlarged diameter for abutting against a breast of a user; and a shock absorbing section, at least a portion of which abuts against a breast of a user by being formed in a substantially circular trumpet shape following an opening section of the enlarged-diameter milk expressing section, wherein the shock absorbing section includes an abutting section which abuts against an areola of the user and a tight contact section which makes tight contact with the user's breast.Type: ApplicationFiled: April 25, 2012Publication date: April 3, 2014Applicant: PIGEON CORPORATIONInventors: Naoko Hirata, Satoru Saito, Daisuke Yamashita, Mitsuo Tashiro
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Patent number: 8657135Abstract: An artificial nipple can include a nipple tip section that can sufficiently reach the sucking fossa and can be appropriately squashed The artificial nipple can have a base section that widens to match an attachment object, an areola section formed contiguously to the base section and that extends while narrowing gradually, and a nipple section that extends from the areola section and that narrows more than the areola section. A flange section can be provided in the base section with a predetermined thickness. A check valve can be formed with a valve body so as to be entirely accommodated within the thickness dimension of the flange, and provided in the base section.Type: GrantFiled: October 29, 2010Date of Patent: February 25, 2014Assignee: Pigeon CorporationInventors: Daisuke Yamashita, Norio Kimura, Masakazu Yoshida, Mitsuo Tashiro
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Patent number: D744086Type: GrantFiled: May 12, 2014Date of Patent: November 24, 2015Assignee: PIGEON CORPORATIONInventor: Daisuke Yamashita
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Patent number: D785169Type: GrantFiled: October 16, 2015Date of Patent: April 25, 2017Assignee: PIGEON CORPORATIONInventors: Koji Matsutori, Hidekazu Okuno
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Patent number: D785787Type: GrantFiled: October 16, 2015Date of Patent: May 2, 2017Assignee: PIGEON CORPORATIONInventors: Koji Matsutori, Hidekazu Okuno
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Patent number: D914894Type: GrantFiled: January 30, 2019Date of Patent: March 30, 2021Assignee: Pigeon CorporationInventors: Satoshi Koyama, Satoru Saito, Masatomo Ohara, Chikako Mori
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Patent number: D967397Type: GrantFiled: January 22, 2021Date of Patent: October 18, 2022Assignee: PIGEON CORPORATIONInventor: Xiangling Chen
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Patent number: D979740Type: GrantFiled: January 7, 2021Date of Patent: February 28, 2023Assignee: PIGEON CORPORATIONInventor: Xiangling Chen
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Patent number: D988500Type: GrantFiled: May 13, 2021Date of Patent: June 6, 2023Assignee: Pigeon CorporationInventor: Tatsuyuki Ishikawa
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Patent number: D1008471Type: GrantFiled: June 22, 2021Date of Patent: December 19, 2023Assignee: PIGEON CORPORATIONInventors: Satoru Saito, Akiko Munezawa, Megumi Fujiwara, Satoshi Koyama