Patents by Inventor Masafumi Aramata
Masafumi Aramata 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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Publication number: 20150136723Abstract: This invention provides a glass container (in particular, a medical glass container) that is excellent in water repellency, powder repellency, heat resistance, water resistance, alkali resistance, etc., and a method for producing the container. This invention relates to a method for producing a glass container (in particular, a medical glass container), the method comprising the steps of (1) treating the inner surface of a glass container with a silane coupling agent and/or a partial hydrolysate thereof and (2) treating the treated surface obtained in step (1) with an amorphous fluorine-containing resin. The invention also relates to a glass container obtained by using the production method.Type: ApplicationFiled: November 26, 2012Publication date: May 21, 2015Applicant: NAMICOS CORPORATIONInventors: Takao Bamba, Masafumi Aramata, Jotaro Kishimoto
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Patent number: 7128731Abstract: A syringe-type container for liquid medicine which includes a barrel provided with an easily breakable piercing needle at a distal end of a needle-connecting portion thereof; a gasket inserted and held in the barrel; and a guide means fitted on the barrel from the distal side wherein. The syringe-type container is so constructed that turning of the guide means relative to the barrel breaks off the piercing needle from the needle-connecting portion.Type: GrantFiled: December 16, 2002Date of Patent: October 31, 2006Assignee: Nipro CorporationInventors: Masafumi Aramata, Hideki Yagi, Hitoshi Futagawa, Satoru Igarashi
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Patent number: 7041087Abstract: A pre-filled syringe comprising a glass barrel (1), a sealing member (5) fitted in a medical liquid discharge port (11) of the barrel (1), a tip member (2) mounted around the sealing member (5) on the medical liquid discharge port (11) of the barrel (1), a closing member (4), a cap member (3), and a holding member (6); the sealing member (5) having a through-hole (51) formed in the axial direction; the tip member (2) including a skirt (24) provided with an engagement pawl (25) on the inner wall of a lower end thereof, a top wall (23), a needle mounting portion (21), and a medical liquid deriving portion (22), and being provided with a medical liquid passage (28); the closing member (4) being inserted into the medical liquid passage (28) and the through-hole (51) to close the through-hole (51) and so prevent oxygen contamination and deterioration of the medical liquid.Type: GrantFiled: March 28, 2001Date of Patent: May 9, 2006Assignee: Astrazeneca UK LimitedInventors: Malcolm John Henderson, Toshikazu Hirayama, Masafumi Aramata
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Patent number: 6901975Abstract: The drug solution container with a connector for communicating contains a drug solution container having at a tip end thereof an injection needle connecting part, and a hollow connector for communicating attached to a tip end of the drug solution container, and the connector for communicating contains a cylindrical guide part with a bottom capable of being slidably attached to an opening of a vial, and a hollow penetrating member provided at a center of the bottom of the guide part to penetrate the bottom. The penetrating member contains a penetrating needle at a tip end side with respect to the bottom, and a connecting part at a base end side with respect to the bottom, and the connecting part is connected to the injection needle connecting part through a fragile portion. According to the drug solution container with a connector for communicating, an operation for preparation of a drug solution can be easily carried out in a short period of time without causing injury of an operator or coring.Type: GrantFiled: June 30, 2003Date of Patent: June 7, 2005Assignee: Nipro CorporationInventors: Masafumi Aramata, Hideki Yagi, Toshikazu Hirayama, Satoru Igarashi, Yoshihisa Murai, Teruhisa Hirobe
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Publication number: 20040087906Abstract: A pre-filled syringe comprising a glass barrel (1), a sealing member (5) fitted in a medical liquid discharge port (11) of the barrel (1), a tip member (2) mounted around the sealing member (5) on the medical liquid discharge port (11) of the barrel (1), a closing member (4), a cap member (3), and a holding member (6); the sealing member (5) having a through-hole (51) formed in the axial direction; the tip member (2) including a skirt (24) provided with an engagement pawl (25) on the inner wall of a lower end thereof, a top wall (23), a needle mounting portion (21), and a medical liquid deriving portion (22), and being provided with a medical liquid passage (28); the closing member (4) being inserted into the medical liquid passage (28) and the through-hole (51) to close the through-hole (51) and so prevent oxygen contamination and deterioration of the medical liquid.Type: ApplicationFiled: February 5, 2003Publication date: May 6, 2004Inventors: Malcolm John Henderson, Toshikazu Hirayama, Masafumi Aramata
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Publication number: 20040039365Abstract: The drug solution container with a connector for communicating contains a drug solution container having at a tip end thereof an injection needle connecting part, and a hollow connector for communicating attached to a tip end of the drug solution container, and the connector for communicating contains a cylindrical guide part with a bottom capable of being slidably attached to an opening of a vial, and a hollow penetrating member provided at a center of the bottom of the guide part to penetrate the bottom. The penetrating member contains a penetrating needle at a tip end side with respect to the bottom, and a connecting part at a base end side with respect to the bottom, and the connecting part is connected to the injection needle connecting part through a fragile portion. According to the drug solution container with a connector for communicating, an operation for preparation of a drug solution can be easily carried out in a short period of time without causing injury of an operator or coring.Type: ApplicationFiled: June 30, 2003Publication date: February 26, 2004Inventors: Masafumi Aramata, Hideki Yagi, Toshikazu Hirayama, Satoru Igarashi, Yoshihisa Murai, Teruhisa Hirobe
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Publication number: 20030125671Abstract: A syringe-type container for liquid medicine comprises a barrel (1) provided with an easily breakable piercing needle (13) at a distal end (111) of a needle-connecting portion (11) thereof; a gasket (2) inserted and held in the barrel (1); and a guide means (3) fitted on the barrel (1) from the distal side thereof. The syringe-type container is so constructed that turning of the guide means (3) relative to the barrel (1) breaks off the piercing needle (13) from the needle-connecting portion (11).Type: ApplicationFiled: December 16, 2002Publication date: July 3, 2003Inventors: Masafumi Aramata, Hideki Yagi, Hitoshi Futagawa, Satoru Igarashi
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Publication number: 20010056272Abstract: A solution kit includes a prefilled syringe and a container containing a solvent charged therein. The prefilled syringe comprises a barrel provided at a distal end thereof with a tip closed by a twist-off type closing member, while the solvent container having a mouth portion closed by a twist-off type closing member. The tip of the prefilled syringe and the mouth portion of the solvent container are configured to engage with one another in liquid-tight engagement.Type: ApplicationFiled: June 22, 2001Publication date: December 27, 2001Inventors: Hideki Yagi, Yoshihisa Hama, Masafumi Aramata, Kensuke Natsui
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Patent number: 5899889Abstract: A prefilled syringe comprises a barrel having at a distal end a needle-connecting portion and at the proximal end an open end, a plastic tubular container having a mouth and a flexible hollow cylindrical body and containing a liquid medicament previously charged therein, and a plunger inserted into the barrel through the open end thereof and slidably held therein. The tubular container is held in the barrel so that the mouth thereof is placed in a lumen of the needle-connecting portion of the barrel. The cylindrical body is peeled off from the inner wall of the barrel and squeezed into a space between the barrel and the plunger when the plunger is pushed into the barrel.Type: GrantFiled: February 13, 1998Date of Patent: May 4, 1999Assignee: Nissho CorporationInventors: Hitoshi Futagawa, Mitsuo Murakami, Masafumi Aramata, Toshikazu Hirayama, Yohji Arifuku
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Patent number: 5827233Abstract: A prefilled syringe comprises a barrel (1) having at a distal end a needle-connecting portion (11) and at the proximal end an open end; a plastic tubular container (3) having a mouth (31) and a flexible hollow cylindrical body (32) and containing a liquid medicament (S) previously charged therein, and a plunger (2) inserted into the barrel (1) through the open end thereof and slidably held therein. The tubular container (3) is held in the barrel (1) so that the mouth (31) thereof is placed in a lumen of the needle-connecting portion (11) of the barrel (1) and that the cylindrical body (32) is peeled off from the inner wall of the barrel (1) and squeezed into a space between the barrel (1) and plunger (2) when the plunger (2) is pushed into the barrel.Type: GrantFiled: December 24, 1996Date of Patent: October 27, 1998Assignee: Nissno CorporationInventors: Hitoshi Futagawa, Mitsuo Murakami, Masafumi Aramata, Toshikazu Hirayama, Yohji Arifuku
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Patent number: 5720731Abstract: Prefilled syringe for injection of two liquids includes a syringe body with an injection port at a closed end thereof, first and second gaskets fluid-tightly fitted into the syringe body to separate two medical solutions filled therein, and a closing member for closing the injection port. The syringe body is provided with bypassing grooves extending in the longitudinal direction of the syringe from a position adjacent to the closed end thereof. Liquid communication means is provided between the closed end and the first gasket. By pushing a plunger, the first and second gaskets are forced to move forward so that two medical solutions are injected one after another.Type: GrantFiled: April 12, 1996Date of Patent: February 24, 1998Assignee: Nissho CorporationInventors: Masafumi Aramata, Hitoshi Futagawa, Hideki Yagi
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Patent number: 5624405Abstract: A prefilled syringe comprising a syringe body of glass; a sealing member with a through-hole extending in the axial direction of said syringe body; a tip member including a top wall, a skirt portion extending therefrom and a tubular projection passing through said top wall, said tubular projection including an outwardly extending projection and an inwardly extending projection; a covering means for closing the outwardly extending projection of said tip member; and a holding member for holding said covering member along with said tip member in place on the mouth portion of said syringe body, said tip member being liquid-tightly fixed to the mouth portion of the syringe body by said holding member.Type: GrantFiled: May 24, 1995Date of Patent: April 29, 1997Assignee: Nissho CorporationInventors: Hitoshi Futagawa, Masafumi Aramata, Yoji Arifuku, Kenji Himeshima
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Patent number: D506256Type: GrantFiled: May 23, 2003Date of Patent: June 14, 2005Assignees: Nipro Corporation, Schering AktiengesellschaftInventors: Jun Miyoshi, Masafumi Aramata, Makoto Iwaike, Hidetoshi Tanaka