Patents by Inventor Masaaki Kasai
Masaaki Kasai 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: 20020106744Abstract: The present invention provides a process for preparing a phospholipid in an aqueous system in which hydrolysis is extremely controlled, and the synthetic yield is improved.Type: ApplicationFiled: January 11, 2002Publication date: August 8, 2002Applicant: RINORU OIL MILLS CO., LTD.Inventors: Tsuneo Yamane, Yugo Iwasaki, Yukiko Mizumoto, Masaaki Kasai, Takahiro Okada
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Patent number: 6358998Abstract: There is provided an agent for reducing body fat, comprising as an active ingredient a dioxabicyclo[3.3.0]octane derivative represented by formula (I): wherein R1 to R6 each independently represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, provided that R1 and R2 and/or R4 and R5 combine together to form a methylene or ethylene group; and n, m, and l are each 0 or 1.Type: GrantFiled: April 28, 2000Date of Patent: March 19, 2002Assignee: Rinoru Oil Mills Co., LTDInventors: Michihiro Sugano, Masanobu Sakono, Kazunori Koba, Hitoshi Okuyama, Masaaki Kasai, Toshio Iwata
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Publication number: 20020015771Abstract: There is provided an agent for increasing brown fat, comprising a conjugated linoleic acid as an active ingredient.Type: ApplicationFiled: April 28, 2000Publication date: February 7, 2002Inventors: Michihiro Sugano, Masanobu Sakuno, Kazunori Koba, Hitoshi Okuyama, Masaaki Kasai, Toshio Iwata
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Patent number: 5986116Abstract: There is provided a method for producing conjugated linoleic acid, comprising subjecting a fat or oil containing linoleic acid to alkali isomerization reaction in an alkali-propylene glycol solution.Type: GrantFiled: October 24, 1997Date of Patent: November 16, 1999Assignee: Rinoru Oil Mills Co., Ltd.Inventors: Toshio Iwata, Takeshi Kamegai, Yoshie Sato, Kazumasa Watanabe, Masaaki Kasai
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Patent number: 5637399Abstract: A synthetic resin needle of reinforced with combustible fibers whose longitudinal directions are arrayed straight or curvilinearly along the axial length of the needle. The reinforcing fibers may be dispersed uniformly in the synthetic resin of the needle, or in such a non-uniform manner that the concentration of the fibers in some portion around the peripheral wall of the needle is so scarce that the inner passage of the needle can be observed from outside.Type: GrantFiled: October 25, 1996Date of Patent: June 10, 1997Assignee: Terumo Kabushiki KaishaInventors: Makoto Yoshikawa, Koichi Tachikawa, Masaaki Kasai
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Patent number: 5213765Abstract: A blood collection tube includes a bottom and an open end that is hermetically sealed by a plug. A supporting film having an anticoagulant coated thereon is positioned within the tube. The anticoagulant-coated surface of the supporting member is provided with a large number of fine convexes.Type: GrantFiled: April 26, 1991Date of Patent: May 25, 1993Assignee: Terumo Kabushiki KaishaInventors: Masaaki Kasai, Sakae Yamazaki
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Patent number: 5201794Abstract: In sampling a blood specimen inside a blood-collecting tube equipped with a film stopper at an opening thereof, a needle capable of sampling a blood component is made to pierce the film stopper and the tip of the needle is situated in the blood specimen. The blood specimen is sampled via the needle while the interior of the blood-collecting tube is kept cut off from the exterior thereof.Type: GrantFiled: February 5, 1992Date of Patent: April 13, 1993Assignee: Terumo Kabushiki KaishaInventors: Masaaki Kasai, Sakae Yamazaki
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Patent number: 5033476Abstract: The blood collecting tube of the present invention has a tubular body that is opened at one end and closed at the other end and a sealing member which is bonded to the peripheral edge of the opening of the tubular body so as to seal this opening.Type: GrantFiled: August 4, 1989Date of Patent: July 23, 1991Assignee: Terumo Kabushiki KaishaInventor: Masaaki Kasai
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Patent number: 5020220Abstract: A film-like closure opener opens a film-like closure such as a cap or lid which closes an open end of a bottomed tubular container such as a blood collecting tube. The film-like closure opener includes a cutter having a circular cutting edge for cutting off at least a substantial portion of the film-like closure along the open end of the tubular container. The opener may have a needle for piercing an elastic member on the film-like closure, so that the cut-off closure can be removed with the needle. The opener also has a gripper which is manually held and pushed to force the cutter into the tubular container while cutting off the film-like closure.Type: GrantFiled: January 25, 1990Date of Patent: June 4, 1991Assignee: Terumo Kabushiki KaishaInventors: Sanae Miyake, Masaaki Kasai, Sakae Yamazaki, Takato Murashita
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Patent number: 4991601Abstract: A blood sample tube holder for holding a blood sample tube includes a holder body having a needle joint on one end for connection to a blood sample collecting needle, the holder body having an open opposite end. The holder body has a plurality of elastic and flexible lands on an inner wall surface thereof. The lands have radially innermost surfaces arranged such that when the blood sample tube is inserted into the holder body through the open opposite end, the lands are engaged and elastically deformed by the blood sample tube for an increased area of contact with the blood sample tube for holding the blood sample tube in the holder body.Type: GrantFiled: May 11, 1989Date of Patent: February 12, 1991Assignee: Terumo Kabushiki KaishaInventors: Masaaki Kasai, Sakae Yamazaki, Kazuhisa Sensyu
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Patent number: 4985026Abstract: A blood collecting tube comprises a tubular member made of synthetic resin which has an open end and a closed bottom, and a closure member which is for closing the open end of the tubular member and allows a puncture needle to pierce therethrough, the interior of said blood collecting tube being kept under reduced pressure, said tubular member being essentially made of a polyester resin mixture of a polyester resin mainly based on a ethylene glycol and terephthalic acid and a polyester resin mainly based on ethylene glycol and isopthalic acid. The tubular member of this blood collecting tube can be suitably made by injection molding and has high gas barrier properties so that the capability of collecting blood decreases little with time.Type: GrantFiled: July 28, 1989Date of Patent: January 15, 1991Assignee: Terumo Kabushiki KaishaInventors: Masaaki Kasai, Sakae Yamazaki, Sanae Miyake
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Patent number: 4936314Abstract: An evacuated blood collecting device for collecting a blood sample of predetermined volume comprises: a cylindrical member having one open end and one closed end; a puncturable stopper member closing tightly the open end of the cylindrical member so as to seal the space within said cylindrical member; and a gas sealed in the space within the cylindrical member. The cylindrical member and the stopper member are made of materials having a characteristic such that the permeation coefficient of the gas sealed inside the space to at least one of the cylindrical member and stopper member is higher than that of the gas around the outside of the blood collecting device, whereby the interior of the space is retained under reduced pressure relative to the gas around the outside of the blood collecting device in proportion to the blood sampling volume.Type: GrantFiled: December 9, 1988Date of Patent: June 26, 1990Assignee: Terumo Kabushiki KaishaInventors: Masaaki Kasai, Yoshimitsu Asada, Kenji Ishikawa
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Patent number: 4787981Abstract: A process for purification of crude glyceride oil compositions which comprises diluting a crude glyceride oil composition containing gum material and wax as main components of impurities with an organic solvent, bringing the diluted crude glyceride oil composition into contact with a semipermeable membrane composed of polyimide consisting essentially of a repeating unit represented by the general formula: ##STR1## wherein R.sup.1 represents a divalent organic group, under pressure to obtain a semipermeable membrane permeable liquid in which the gum material in the glyceride oil after removal of said organic solvent is 100 ppm or less, carrying out bleaching of the glyceride oil obtained from said semipermeable membrane permeable liquid with at least one kind of an adsorbent selected from the group consisting of clay, activated clay, activated carbon and bone black, and then carrying out deodorizing to obtain a purified glyceride oil.Type: GrantFiled: November 10, 1986Date of Patent: November 29, 1988Assignees: Pinoru Oil Mills Co., Nitto Electric Industrial Co., Ltd.Inventors: Seiichi Tanahashi, Kaoru Nagano, Masaaki Kasai, Fujihiko Tsubone, Akio Iwama, Yoshitaka Kazuse, Kentaro Tasaka, Yutaka Isooka
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Patent number: 4776959Abstract: A hydrophilic porous membrane comprises a porous membrane made of a hydrophobic polymer and a coating formed on at least one surface of the porous membrane and on the inner surface of pores of the membrane with a water-insoluble hydrophilic polymer soluble in a solvent exhibiting satisfactory stability and a satisfactory wetting property with respect to the hydrophobic polymer and a method for the manufacture of the hydrophilic porous membrane.Type: GrantFiled: April 13, 1987Date of Patent: October 11, 1988Assignee: Terumo CorporationInventors: Masaaki Kasai, Noriyuki Koyama
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Patent number: 4682703Abstract: A stopper for a medical container which can tightly close an opening in said medical container and can be pierced with a syringe, which stopper is characterized by the fact that at least part of the portion thereof which possibly comes into contact with a piercing needle during the removal of said piercing needle therefrom is formed of a material containing a highly water absorbable macromolecular compound.Type: GrantFiled: April 24, 1986Date of Patent: July 28, 1987Assignee: Terumo Kabushiki KaishaInventors: Masaaki Kasai, Kenji Ishikawa
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Patent number: 4664275Abstract: A stopper for hermetically sealing an opening of a medical container. The stopper is made of a composition comprising 30 to 80% by weight of a partially cross-linked butyl rubber, 10 to 40% by weight of a thermoplastic resin, and 5 to 50% by weight of an inorganic powder.Type: GrantFiled: September 5, 1985Date of Patent: May 12, 1987Assignee: Terumo Kabushiki KaishaInventors: Masaaki Kasai, Kenji Ishikawa
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Patent number: 4507415Abstract: Irradiation-sterilizable medical articles molded from a propylene polymer composition in which stabilizers are incorporated. Said composition comprises from 0.01 to 0.4 part by weight of each of a specific hindered amine and a specific phenol or its phosphite ester compound incorporated per 100 parts by weight of a propylene polymer with a weight-average molecular-weight to number-average molecular-weight ratio of 5 or below. The above-mentioned composition may additionally contain a sorbitol derivative as the nucleating agent. Medical articles produced from said composition by molding, for example, syringes are suitable for irradiation sterilization. Said medical articles when irradiated undergo little reduction in quality of the material and are accompanied by little bleeding or degradation of the incorporated stabilizers and nucleating agent.Type: GrantFiled: March 23, 1983Date of Patent: March 26, 1985Assignee: Terumo Kabushiki KaishaInventors: Masaaki Kasai, Toshiji Ichikawa, Kimiho Kosegaki
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Patent number: 4444330Abstract: A stopper for hermetically sealing the opening of a medical container is made of an injection-moldable polymeric material containing a blend of 30 to 90% by weight of a butyl-based rubber and 70 to 10% by weight of a thermoplastic elastomer.Type: GrantFiled: July 27, 1982Date of Patent: April 24, 1984Assignee: Terumo Kabushiki KaishaInventors: Masaaki Kasai, Toshiji Ichikawa
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Patent number: D311249Type: GrantFiled: October 14, 1987Date of Patent: October 9, 1990Assignee: Terumo Kabushiki KaishaInventor: Masaaki Kasai
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Patent number: D323710Type: GrantFiled: June 29, 1988Date of Patent: February 4, 1992Assignee: Terumo Kabushiki KaishaInventors: Masaaki Kasai, Sakae Yamazaki, Kazuhisa Senshu