Patents by Inventor Kumiko Nitta

Kumiko Nitta 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: 10900155
    Abstract: An instrument for making a ribbon embellishment is provided. The instrument is made up of a ring-shaped plate, and a plurality of extensions each extending from the ring-shaped plate toward the center of the circular plate. The plurality of extensions include a first extension, a second extension and a third extension, and the first extension has a first surface and a second surface opposite to the first surface. In plan view, the second extension faces the first surface of the first extension, and the third extension faces the second surface of the first extension.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: January 26, 2021
    Assignee: CLOVER MFG. CO., LTD.
    Inventor: Kumiko Nitta
  • Patent number: 10233575
    Abstract: An assisting tool is provided for making a tufted ornament having a bunch of threads. The assisting tool includes a first frame and a second frame that form a generally rectangular shape when assembled. The first and second frames have first and second thread hanging portions, respectively, that are spaced apart from each other in a first direction. Each thread hanging portion extends in a second direction perpendicular to the first direction. The assisting tool further includes a length adjuster for adjustably varying the length in the first direction from the first thread hanging portion to the second thread hanging portion by allowing the first and second frames to slide toward or away from each other.
    Type: Grant
    Filed: May 16, 2016
    Date of Patent: March 19, 2019
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Kumiko Nitta, Katsuhiko Ozeki
  • Patent number: 10072360
    Abstract: A yarn twisting device is simple in structure but capable of easily producing twisted yarn made of a plurality of yarn pieces twisted together. The yarn twisting device includes: a case; an operation wheel rotatably supported by the case so that an outer circumference of the operation wheel is partly exposed outside the case; and a plurality of yarn holding shafts supported by the case so as to protrude from one surface of the case and that axially rotate with the rotation of the operation wheel in the same direction.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: September 11, 2018
    Assignee: CLOVER MFG. CO., LTD.
    Inventor: Kumiko Nitta
  • Publication number: 20170335497
    Abstract: An instrument for making a ribbon embellishment is provided. The instrument is made up of a ring-shaped plate, and a plurality of extensions each extending from the ring-shaped plate toward the center of the circular plate. The plurality of extensions include a first extension, a second extension and a third extension, and the first extension has a first surface and a second surface opposite to the first surface. In plan view, the second extension faces the first surface of the first extension, and the third extension faces the second surface of the first extension.
    Type: Application
    Filed: May 2, 2017
    Publication date: November 23, 2017
    Inventor: Kumiko NITTA
  • Patent number: 9506171
    Abstract: A bead weaving tool includes a plate member having a planar bead mounting surface for bead placement. The plate member has a pair of thread holding portions mutually spaced across the bead mounting surface for holding a plurality of threads separately. The plate member also has a pair of thread support walls protruding from the bead mounting surface at positions close to the thread holding portions, respectively. To hook one end and the other end of the respective threads, first and second thread hanging portions are provided.
    Type: Grant
    Filed: May 5, 2015
    Date of Patent: November 29, 2016
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Kumiko Nitta, Mariko Yamaguchi
  • Publication number: 20160340807
    Abstract: An assisting tool is provided for making a tufted ornament having a bunch of threads. The assisting tool includes a first frame and a second frame that form a generally rectangular shape when assembled. The first and second frames have first and second thread hanging portions, respectively, that are spaced apart from each other in a first direction. Each thread hanging portion extends in a second direction perpendicular to the first direction. The assisting tool further includes a length adjuster for adjustably varying the length in the first direction from the first thread hanging portion to the second thread hanging portion by allowing the first and second frames to slide toward or away from each other.
    Type: Application
    Filed: May 16, 2016
    Publication date: November 24, 2016
    Inventors: Kumiko NITTA, Katsuhiko OZEKI
  • Publication number: 20160340808
    Abstract: A yarn twisting device is simple in structure but capable of easily producing twisted yarn made of a plurality of yarn pieces twisted together. The yarn twisting device includes: a case; an operation wheel rotatably supported by the case so that an outer circumference of the operation wheel is partly exposed outside the case; and a plurality of yarn holding shafts supported by the case so as to protrude from one surface of the case and that axially rotate with the rotation of the operation wheel in the same direction.
    Type: Application
    Filed: May 12, 2016
    Publication date: November 24, 2016
    Inventor: Kumiko NITTA
  • Patent number: 9441320
    Abstract: A cloth presser includes a grip portion, a first press end and a second press end. The grip portion is elongated, having a straight longitudinal axis. The first press end and the second press end are spaced apart from each other, with the grip portion intervening between the first press end and the second press end. The first press end is configured to make point contact with an object such as a piece of cloth, and the second press end is configured to make surface contact with the object.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: September 13, 2016
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Kumiko Nitta, Chihiro Iwasaki
  • Publication number: 20150337466
    Abstract: A bead weaving tool includes a plate member having a planar bead mounting surface for bead placement. The plate member has a pair of thread holding portions mutually spaced across the bead mounting surface for holding a plurality of threads separately. The plate member also has a pair of thread support walls protruding from the bead mounting surface at positions close to the thread holding portions, respectively. To hook one end and the other end of the respective threads, first and second thread hanging portions are provided.
    Type: Application
    Filed: May 5, 2015
    Publication date: November 26, 2015
    Inventors: Kumiko NITTA, Mariko YAMAGUCHI
  • Publication number: 20150107504
    Abstract: A cloth presser includes a grip portion, a first press end and a second press end. The grip portion is elongated, having a straight longitudinal axis. The first press end and the second press end are spaced apart from each other, with the grip portion intervening between the first press end and the second press end. The first press end is configured to make point contact with an object such as a piece of cloth, and the second press end is configured to make surface contact with the object.
    Type: Application
    Filed: October 9, 2014
    Publication date: April 23, 2015
    Inventors: Kumiko NITTA, Chihiro IWASAKI
  • Patent number: 5502033
    Abstract: A compound having antimicrobial activity of the following general formula: ##STR1## wherein R.sup.1 is hydrogen or hydroxy, R.sup.2 is hydrogen or hydroxy, R.sup.3 is hydroxy or hydroxysulfonyloxy, with proviso that when R.sup.1 is hydrogen, R.sup.2 is hydrogen, or a phamaceutically acceptable salt thereof. The compound can be used in a method for treating infectious diseases caused by pathogenic microorganism.
    Type: Grant
    Filed: March 28, 1994
    Date of Patent: March 26, 1996
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Toshiro Iwamoto, Akihiko Fujie, Kumiko Nitta, Yasuhisa Tsurumi, Nobuharu Shigematsu, Chiyoshi Kasahara, Motohiro Hino, Masakuni Okuhara
  • Patent number: 5376634
    Abstract: A polypeptide compound having antimicrobial activity of the following general formula: ##STR1## wherein R.sup.1 is hydrogen or acyl group, R.sup.2 is hydroxy or acyloxy,R.sup.3 is hydroxysulfonyloxy, andR.sup.4 is hydrogen or carbamoyl,with proviso thatR.sup.1 is not palmitoyl, when R.sup.2 is hydroxy,R.sup.3 is hydroxysulfonyloxy andR.sup.4 is carbamoyl,and a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 17, 1991
    Date of Patent: December 27, 1994
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Toshiro Iwamoto, Akihiko Fujie, Kumiko Nitta, Yasuhisa Tsurumi, Nobuharu Shigematsu, Chiyoshi Kasahara, Motohiro Hino, Masakuni Okuhara, Kazuo Sakane, Kohji Kawabata, Hidenori Ohki
  • Patent number: 5061730
    Abstract: This invention relates to new carboxylic acid derivatives of the formula: ##STR1## wherein R.sup.1 is hydrogen, lower alkyl or aryl, and pharmaceutically acceptable salt thereof which inhibit activity of DHP-I, to a process for preparing them and to an antibacterial composition comprising them and carbapenem antibiotics.
    Type: Grant
    Filed: January 14, 1988
    Date of Patent: October 29, 1991
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Itsuo Uchida, Hiroshi Hatanaka, Kumiko Nitta, Seiji Hashimoto, Masakuni Okuhara, Hidetsugu Murai, Masashi Hashimoto
  • Patent number: H1638
    Abstract: A pharmaceutical composition comprising an amount of a polypeptide of the formula: ##STR1## wherein R.sup.1 is hydrogen or an acyl group, R.sup.2 is hydroxy or an acyloxy group, R.sup.3 is hydrogen, hydroxy or hydroxysulfonyloxy, R.sup.4 is hydrogen or carbamoyl, and R.sup.5 and R.sup.6 are each hydrogen or hydroxy, with the proviso that (i) R.sup.2 is acyloxy when R.sup.3 is hydrogen, and (ii) R.sup.5 is hydrogen when R.sup.6 is hydrogen, or a pharmaceutically acceptable salt thereof, is useful in the prevention or treatment of Pneumocystis carinii infection.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: March 4, 1997
    Inventors: Takahisa Furuta, Toshiro Iwamoto, Akihiko Fujie, Kumiko Nitta, Yasuhisa Tsurumi, Nobuharu Shigematsu, Chiyoshi Kasahara, Motohiro Hino, Masakuni Okuhara
  • Patent number: D730412
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: May 26, 2015
    Assignee: CLOVER MFG. CO., LTD.
    Inventor: Kumiko Nitta
  • Patent number: D730606
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: May 26, 2015
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Kumiko Nitta, Chihiro Iwasaki
  • Patent number: D848870
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: May 21, 2019
    Assignee: CLOVER MFG. CO., LTD.
    Inventors: Kumiko Nitta, Katsuhiko Ozeki