Patents by Inventor Masahiko Dohi
Masahiko Dohi 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: 8206748Abstract: A powdery composition for nasal administration, where (1) the composition contains (i) a drug, (ii) a water-absorbing and gel-forming base material such as hydroxypropyl cellulose or hydroxypropylmethyl cellulose and (iii) a water-absorbing and water-insoluble base material such as crystalline cellulose or ?-cellulose, (2) wherein the amount of the water-absorbing and gel-forming base material is about 5-40 wt % based on the total of the water-absorbing and gel-forming base material and the water-absorbing and water-insoluble base material, and (3) wherein the drug is unevenly dispersed more on/in the water-absorbing and water-insoluble base material than on/in the water-absorbing and gel-forming base material.Type: GrantFiled: November 2, 2009Date of Patent: June 26, 2012Assignee: Teijin LimitedInventors: Masahiko Dohi, Yoshihisa Nishibe, Yuji Makino, Takao Fujii
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Publication number: 20110041011Abstract: The present invention is to provide a test signal generating apparatus which can generate a test signal for testing a device that dynamically change its operational state in response to a signal or the like. The test signal generating apparatus includes: a pattern storage unit 20 having patterns; a pattern selecting unit 23 for selecting a pattern from among the patterns; a test signal generating unit 25 for generating a test signal having a pattern selected by the pattern selecting unit 23, a trigger signal receiving unit 21 for receiving at least one trigger signal, and a pattern map storage unit 22 having a pattern map defining the number of repetitions for each pattern and a pattern corresponding to a test signal to be generated by the test signal generating unit after the test signal generating unit repeats the test signal on the basis of the number of repetitions.Type: ApplicationFiled: March 6, 2007Publication date: February 17, 2011Applicant: ANRITSU CORPORATIONInventors: Takeshi Wada, Masahiko Dohi
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Patent number: 7890830Abstract: The present invention is to provide a test signal generating apparatus which can generate a test signal for testing a device that dynamically change its operational state in response to a signal or the like. The test signal generating apparatus includes: a pattern storage unit 20 having patterns; a pattern selecting unit 23 for selecting a pattern from among the patterns; a test signal generating unit 25 for generating a test signal having a pattern selected by the pattern selecting unit 23, a trigger signal receiving unit 21 for receiving at least one trigger signal, and a pattern map storage unit 22 having a pattern map defining the number of repetitions for each pattern and a pattern corresponding to a test signal to be generated by the test signal generating unit after the test signal generating unit repeats the test signal on the basis of the number of repetitions.Type: GrantFiled: March 6, 2007Date of Patent: February 15, 2011Assignee: Anritsu CorporationInventors: Takeshi Wada, Masahiko Dohi
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Patent number: 7731990Abstract: A powdery composition for nasal administration, where (1) the composition contains (i) a drug, (ii) a water-absorbing and gel-forming base material such as hydroxypropyl cellulose or hydroxypropylmethyl cellulose and (iii) a water-absorbing and water-insoluble base material such as crystalline cellulose or ?-cellulose, (2) wherein the amount of the water-absorbing and gel-forming base material is about 5-40 wt % based on the total of the water-absorbing and gel-forming base material and the water-absorbing and water-insoluble base material, and (3) wherein the drug is unevenly dispersed more on/in the water-absorbing and water-insoluble base material than on/in the water-absorbing and gel-forming base material.Type: GrantFiled: June 4, 2004Date of Patent: June 8, 2010Assignee: Teijin LimitedInventors: Masahiko Dohi, Yoshihisa Nishibe, Yuji Makino, Tako Fujii
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Publication number: 20100047206Abstract: A powdery composition for nasal administration, where (1) the composition contains (i) a drug, (ii) a water-absorbing and gel-forming base material such as hydroxypropyl cellulose or hydroxypropylmethyl cellulose and (iii) a water-absorbing and water-insoluble base material such as crystalline cellulose or ?-cellulose, (2) wherein the amount of the water-absorbing and gel-forming base material is about 5-40 wt % based on the total of the water-absorbing and gel-forming base material and the water-absorbing and water-insoluble base material, and (3) wherein the drug is unevenly dispersed more on/in the water-absorbing and water-insoluble base material than on/in the water-absorbing and gel-forming base material.Type: ApplicationFiled: November 2, 2009Publication date: February 25, 2010Applicant: TEIJIN LIMITED, A JAPANESE BODY CORPORATE, OFInventors: Masahiko DOHI, Yoshihisa Nishibe, Yuji Makino, Tako Fujii
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Patent number: 7611078Abstract: Parts of a powdered medicine multi-dose administering device are assembled, powdered medicine is filled and assembly that is obtained is inspected all on an automatic production line to increase productivity while preventing the production of defective products. The powdered medicine multi-dose administering device is produced through automated steps of inserting a filter (12) in a filter-fitting portion (11a) of a container (10), inserting an inner cylinder (15) in the container body (10), filling the container with the powdered medicine through a ring-like opening between an opening in the upper part of the container and the inner cylinder, fitting an inner closure (19) to the container and to the inner cylinder, fitting a nozzle (20) to the container while coupling it to the inner cylinder, and inspecting the thus obtained assembly.Type: GrantFiled: March 16, 2004Date of Patent: November 3, 2009Assignee: Teijin LimitedInventors: Yasuhiro Zaima, Masahiko Dohi, Seiji Mochizuki, Hiroshi Kuroda
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Patent number: 7361676Abstract: There are provided a solid preparation containing a single crystal of 2-(3-cyano-4-isobutyloxyphenyl)-4-methyl-5-thiazolecarboxylic acid, an excipient and a disintegrating agent, and a method for producing the same.Type: GrantFiled: March 28, 2003Date of Patent: April 22, 2008Assignee: Teijin LimitedInventors: Michio Iwai, Kazuhiro Nakamura, Masahiko Dohi, Hiroko Mochizuki, Seiji Mochizuki
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Patent number: 7119288Abstract: A method of weighing an easily chargeable measured object able to remove the effects of static electricity to weigh a measured object by an accuracy of about 0.3 mg continuously with a good work efficiency. When using an electronic scale (10) provided with a weighing platform (11) and a weighing pan (12) able to move vertically by a very small distance with respect to the weighing platform to weight an easily chargeable measured object (14), the measured object is weighed in the state with a conductive frame (13) of a suitable size set on the weighing platform (11) around the weighing pan so as to surround the measured object placed on the weighing pan.Type: GrantFiled: July 17, 2003Date of Patent: October 10, 2006Assignee: Teijin LimitedInventors: Yasuhiro Zaima, Masahiko Dohi, Seiji Mochizuki, Akemi Kitada
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Publication number: 20050123021Abstract: A method of weighing an easily chargeable measured object able to remove the effects of static electricity to weigh a measured object by an accuracy of about 0.3 mg continuously with a good work efficiency. When using an electronic scale (10) provided with a weighing platform (11) and a weighing pan (12) able to move vertically by a very small distance with respect to the weighing platform to weight an easily chargeable measured object (14), the measured object is weighed in the state with a conductive frame (13) of a suitable size set on the weighing platform (11) around the weighing pan so as to surround the measured object placed on the weighing pan.Type: ApplicationFiled: July 17, 2003Publication date: June 9, 2005Inventors: Yasuhiro Zaima, Masahiko Dohi, Seiji Mochizuki, Akemi Kitada
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Patent number: 6881423Abstract: A powdery composition for nasal administration, where (1) the composition contains (i) a drug, (ii) a water-absorbing and gel-forming base material such as hydroxyprophyl cellulose or hydroxpropylmethyl cellulose and (iii) a water-absorbing and water-insoluble base material such as crystalline cellulose or ?-cellulose, (2) wherein the amount of water-absorbing and gel-forming base material is about 5-40 wt. % based on the total of the water-absorbing and gel-forming base material and the water-absorbing and water-insoluble base material, and (3) wherein the drug is unevenly dispersed more on/in the water-absorbing and water-insoluble base material than on/in the water-absorbing and gel-forming base material.Type: GrantFiled: February 26, 1997Date of Patent: April 19, 2005Assignee: Teijin LimitedInventors: Masahiko Dohi, Yoshihisa Nishibe, Yuji Makino, Tako Fujii
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Publication number: 20050043375Abstract: There are provided a solid preparation containing a single crystal of 2-(3-cyano-4-isobutyloxyphenyl)-4-methyl-5-thiazolecarboxyl ic acid, an excipient and a disintegrating agent, and a method for producing the same.Type: ApplicationFiled: March 28, 2003Publication date: February 24, 2005Inventors: Michio Iwai, Kazuhiro Nakamura, Masahiko Dohi, Hiroko Mochizuki, Seiji Mochizuki
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Patent number: 6835389Abstract: There is provided a powder composition for nasal administration comprising a drug having a particle size of less than 10 &mgr;m or a lyophilized drug, a water-absorbing and water-slightly soluble base material, and a water-absorbing and gel-forming base materials. The composition has excellent drug absorbability.Type: GrantFiled: February 26, 2001Date of Patent: December 28, 2004Assignee: Teijin LimitedInventors: Masahiko Dohi, Yasuhide Uejima, Takao Fujii
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Publication number: 20040237276Abstract: Parts of a powdered medicine multi-dose administering device are assembled, powdered medicine is filled and assembly that is obtained is inspected all on an automatic production line to increase productivity while preventing the production of defective products. The powdered medicine multi-dose administering device is produced through automated steps of inserting a filter (12) in a filter-fitting portion (11a) of a container (10), inserting an inner cylinder (15) in the container body (10), filling the container with the powdered medicine through a ring-like opening between an opening in the upper part of the container and the inner cylinder, fitting an inner closure (19) to the container and to the inner cylinder, fitting a nozzle (20) to the container while coupling it to the inner cylinder, and inspecting the thus obtained assembly.Type: ApplicationFiled: March 16, 2004Publication date: December 2, 2004Inventors: Yasuhiro Zaima, Masahiko Dohi, Seiji Mochizuki, Hiroshi Kuroda
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Patent number: 6824080Abstract: A powdered medicine multi-dose administering device in which a hole (5c) is formed in the bottom surface of a medicine storage chamber (5a) capable of storing a powdered medicine of an amount of many times of administering operation, the hole (5c) being located at a position where a pump unit can be communicated with the exterior via a pipe (2g, 2d). At the administering position, the powdered medicine in a medicine container unit (5b) is injected out of the device together with the air through the pipe, while the hole is kept away from being brought into contact with opening means (2f).Type: GrantFiled: February 11, 2002Date of Patent: November 30, 2004Assignee: Teijin LimitedInventors: Hideo Matsugi, Masahiko Dohi, Yasuhide Uejima, Yuji Makino
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Publication number: 20040219108Abstract: A powdery composition for nasal administration, whereType: ApplicationFiled: June 4, 2004Publication date: November 4, 2004Applicant: TEIJIN LIMITEDInventors: Masahiko Dohi, Yoshihisa Nishibe, Yuji Makino, Tako Fujii
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Publication number: 20040092480Abstract: A pharmaceutical composition comprising a biphenylamidine derivative, particles for nucleus and a binder. Specifically, a pharmaceutical composition obtained by coating the particles for nucleus with the biphenylamidine derivative and the binder.Type: ApplicationFiled: July 30, 2003Publication date: May 13, 2004Inventors: Kentaro Fujinaga, Masahiko Dohi, Masahiko Narasaki, Wataru Akasofu, Yasuhide Uejima
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Patent number: 6488648Abstract: A powdered medicine multi-dose administering device has a medicine container unit (5b) for containing a unit-dose of medicine under the lower surface of the medicine storage chamber (5a) storing the medicine in a multi-dose amount. A medicine guiding unit (2) moves between a filling position and an administering position while maintaining a contact with the bottom surface. At the filling position, the medicine container unit is opened to the medicine storage chamber and is filled with the medicine. As the medicine container unit moves from the filling position to the administering position, the powdered medicine in the medicine container unit is swept and metered. At the administering position, the medicine in the medicine container unit is injected by the action of the pump unit (3) through a filter (6) and a pipe (2g, 2d, 2c).Type: GrantFiled: September 14, 2000Date of Patent: December 3, 2002Assignee: Teijin LimitedInventors: Hideo Matsugi, Yuji Makino, Masahiko Dohi, Yasuhide Uejima
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Publication number: 20020158150Abstract: A powdered medicine multi-dose administering device in which a hole (5c) is formed in the bottom surface of a medicine storage chamber (5a) capable of storing a powdered medicine of an amount of many times of administering operation, the hole (5c) being located at a position where a pump unit can be communicated with the exterior via a pipe (2g, 2d). At the administering position, the powdered medicine in a medicine container unit (5b) is injected out of the device together with the air through the pipe, while the hole is kept away from being brought into contact with opening means (2f).Type: ApplicationFiled: February 11, 2002Publication date: October 31, 2002Inventors: Hideo Matsugi, Masahiko Dohi, Yasuhide Uejima, Yuji Makino
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Patent number: 6428805Abstract: A powdery nasal composition comprising a drug and colloidal cellulose is provided. The composition is a nasal composition providing a superior absorption activity for the drug.Type: GrantFiled: April 26, 2000Date of Patent: August 6, 2002Assignee: Teijin LimitedInventors: Masahiko Dohi, Yasuhide Uejima, Takao Fujii
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Publication number: 20020012688Abstract: The present invention relates to a powdery composition for nasal administration, which is characterized in thatType: ApplicationFiled: August 26, 1998Publication date: January 31, 2002Inventors: MASAHIKO DOHI, YOSHIHISA NISHIBE, YUJI MAKINO, TAKAO FUJII