Patents by Inventor Subiantoro

Subiantoro 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: 8905738
    Abstract: An example revolving vane expander includes a cylinder. A rotor is housed within the cylinder to establish a working chamber between the cylinder and the rotor. The rotor is eccentrically mounted relative to the cylinder. A vane is secured to the cylinder or the rotor. The vane is slidably receivable within a slot established in the other of the cylinder or the rotor. The vane is configured to link rotational movement of the cylinder and the rotor.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: December 9, 2014
    Assignee: Nanyang Technological University
    Inventors: Alison Subiantoro, Ken Shaun Yap, Kim Tiow Ooi
  • Publication number: 20140121300
    Abstract: The disclosed is a carbon fibrous conjunct in a granule form which comprises carbon fibrous structures and a binder by which the carbon fibrous structures are bound together, wherein mean diameter of the carbon fibrous conjunct is in the range of 0.03 mm-5 mm, and density of the carbon fibrous conjunct is in the range of 0.003-0.5 g/cm3, and wherein each of the carbon fibrous structures comprises carbon fibers each having an outside diameter of 15-100 nm and a carbon granular part with which the carbon fibers are bound in the state that the carbon fibers extend outwardly from the granular part to form a three dimensional network of the carbon fibers, and wherein the granular part and the carbon fibers are bound together by carbon-carbon bonds.
    Type: Application
    Filed: December 4, 2013
    Publication date: May 1, 2014
    Applicant: HODOGAYA CHEMICAL CO., LTD
    Inventors: Koichi HANDA, D. SUBIANTORO, Takayuki TSUKADA, Jiayi SHAN, Tsuyoshi OKUBO
  • Publication number: 20130045124
    Abstract: An example revolving vane expander includes a cylinder. A rotor is housed within the cylinder to establish a working chamber between the cylinder and the rotor. The rotor is eccentrically mounted relative to the cylinder. A vane is secured to the cylinder or the rotor. The vane is slidably receivable within a slot established in the other of the cylinder or the rotor. The vane is configured to link rotational movement of the cylinder and the rotor.
    Type: Application
    Filed: February 9, 2010
    Publication date: February 21, 2013
    Inventors: Alison Subiantoro, Ken Shaun Yap, Kim Tiow Ooi
  • Patent number: 7955699
    Abstract: An composite material is disclosed, which includes carbon fibrous structures which are capable of being included in a relatively large amount in the composite material, and which are capable of improving the physical properties, such as electric, mechanical, or thermal properties. The carbon fibrous structure comprises (a) carbon fibrous structures each of which comprises a three dimensional network of carbon fibers, each of the carbon fibers having an outside diameter of 15-100 nm, wherein the carbon fibrous structure further comprises a granular part, at which the carbon fibers are bound in a state that the carbon fibers are extended outwardly therefrom, and wherein the granular part is produced in a growth process of the carbon fibers, and (b) an material other than the carbon fibrous structures, wherein the amount of carbon fibrous structures added is more than 30% and not more than 100% by weight of the total weight of the composite.
    Type: Grant
    Filed: November 17, 2006
    Date of Patent: June 7, 2011
    Assignee: Hodogaya Chemical Co., Ltd
    Inventors: Koichi Handa, Subiantoro, Takayuki Tsukada, Jiayi Shan, Tsuyoshi Okubo
  • Publication number: 20110045273
    Abstract: An composite material is disclosed, which includes carbon fibrous structures which are capable of being included in a relatively large amount in the composite material, and which are capable of improving the physical properties, such as electric, mechanical, or thermal properties. The carbon fibrous structure comprises (a) carbon fibrous structures each of which comprises a three dimensional network of carbon fibers, each of the carbon fibers having an outside diameter of 15-100 nm, wherein the carbon fibrous structure further comprises a granular part, at which the carbon fibers are bound in a state that the carbon, fibers are extended outwardly therefrom, and wherein the granular part is produced in a growth process of the carbon fibers, and (b) an material other than the carbon fibrous structures, wherein the amount of carbon fibrous structures added is more than 30% and not more than 100% by weight of the total weight of the composite.
    Type: Application
    Filed: November 17, 2006
    Publication date: February 24, 2011
    Applicants: BUSSAN NANOTECH RESEARCH INSTITUTE INC., MITSUI & CO., LTD.
    Inventors: Koichi Handa, Subiantoro N/A, Takayuki Tsukada, Jiayi Shan, Tsuyoshi Okubo
  • Publication number: 20090292057
    Abstract: A composition for injection molding by which a reactive injection molded article of good mechanical strength and electrical conductivity is prepared is provided. The disclosed is a composition for injection molding which includes carbon fibrous structures in a liquid curing resin composition, at a rate of 0.1-20% by weight based on the total weight of the composition, wherein the carbon fibrous structure comprises a three dimensional network of carbon fibers each having an outside diameter of 15-100 nm, wherein the carbon fibrous structure further comprises a granular part with which the carbon fibers are tied together in the state that the concerned carbon fibers are externally elongated therefrom, and wherein the granular part is produced in a growth process of the carbon fibers.
    Type: Application
    Filed: October 18, 2006
    Publication date: November 26, 2009
    Applicants: BUSSAN NANOTECH RESEARCH INSTITUTE INC., MITSUI & CO., LTD.
    Inventors: Koichi Handa, Subiantoro n/a, Takayuki Tsukada, Tsuyoshi Okubo, Jiayi Shan, Akira Yamauchi, Manabu Nagashima
  • Publication number: 20090263642
    Abstract: The disclosed is an electrically conductive sheet which includes carbon fibrous structures in polymer matrix, at a rate of 0.01-30% by weight based on the total weight of the sheet, wherein the carbon fibrous structure comprises a three dimensional network of carbon fibers each having an outside diameter of 15-100 nm, wherein the carbon fibrous structure further comprises a granular part with which the carbon fibers are tied together in the state that the concerned carbon fibers are externally elongated therefrom, and wherein the granular part is produced in a growth process of the carbon fibers. The electrically conductive sheet shows a high electrical conductivity while possessing a good film strength.
    Type: Application
    Filed: October 24, 2006
    Publication date: October 22, 2009
    Applicants: BUSSAN NANOTECH RESEARCH INSTITUTE INC., MITSUI & CO., LTD.
    Inventors: Koichi Handa, Subiantoro, Takayuki Tsukada, Tsuyoshi Okubo, Jiayi Shan, Akira Yamauchi, Manabu Nagashima
  • Publication number: 20090226712
    Abstract: An recycled composite material is disclosed, which is prepared by using as a raw material a waste composite material which comprises a matrix component and carbon fibrous structures added to the matrix, and adding an additional matrix component which is homogeneous and/or heterogeneous with the matrix of the spent composite material, and then kneading them together; wherein the carbon fibrous structure comprises a three dimensional network of carbon fibers, each carbon fiber having an outside diameter of 15-100 nm, and a granular part, at which the fibers are bound in a state that the carbon fibers extend outwardly therefrom, and wherein the granular part is produced in a growth process of the carbon fibers. The recycled composite material performs much the same with the original composite material, and is produced briefly at a low cost.
    Type: Application
    Filed: November 17, 2006
    Publication date: September 10, 2009
    Applicants: BUSSAN NANOTECH RESEARCH INSTITUTE INC., MITSUI & CO., LTD.
    Inventors: Koichi Handa, Subiantoro None, Takayuki Tsukada, Tsuyoshi Okubo, Jiayi Shan, Akira Yamauchi, Manabu Nagashima
  • Publication number: 20090169876
    Abstract: A conductive member composed of a conductive resin transmits a signal by being conductively connected with a body to be connected. The conductive resin includes fiber nanocarbon in the resin.
    Type: Application
    Filed: December 1, 2006
    Publication date: July 2, 2009
    Applicant: Kojima Press Industry Co. Ltd.
    Inventors: Takahisa Yamamoto, Shigeki Okada, Koichi Handa, Subiantoro N/A, Hiroshi Takami, Yoichiro Watanabe
  • Publication number: 20090152508
    Abstract: The disclosed is a conductive coating material which includes an organic binder component and carbon fibrous structures, wherein the carbon fibrous structure comprises a three dimensional network of carbon fibers each having an outside diameter of 15-100 nm, wherein the carbon fibrous structure further comprises a granular part with which the carbon fibers are tied together in the state that the concerned carbon fibers are externally elongated therefrom, and wherein the granular part is produced in a growth process of the carbon fibers; and wherein the carbon fibrous structures are contained at a rate of 0.01-50% by weight based on the total weight of the coating material. The conductive coating material gives a coated film which shows a high electrical conductivity and a good film strength, and also coordinates its color as an intended one easily.
    Type: Application
    Filed: October 24, 2006
    Publication date: June 18, 2009
    Applicants: BUSSAN NANOTECH RESEARCH INSTITUTE INC., MITSUI & CO., LTD
    Inventors: Koichi Handa, Subiantoro N/A, Takayuki Tsukada, Tsuyoshi Okubo, Jiayi Shan, Akira Yamauchi, Manabu Nagashima
  • Publication number: 20090131575
    Abstract: The disclosed is a colored polymer composition which includes carbon fibrous structures and a coloring agent in a polymer matrix, wherein the carbon fibrous structure comprises a three dimensional network of carbon fibers each having an outside diameter of 15-100 nm, wherein the carbon fibrous structure further comprises a granular part with which the carbon fibers are tied together in the state that the concerned carbon fibers are externally elongated therefrom, and wherein the granular part is produced in a growth process of the carbon fibers. It is the colored polymer composition which includes novel carbon fibrous structures having preferable physical properties as a filler for composite material, and of being able to improve electrical, mechanical and thermal properties of a matrix while maintaining other properties of the matrix, in a small adding amount, and which can show a color as pleases.
    Type: Application
    Filed: October 30, 2006
    Publication date: May 21, 2009
    Applicants: BUSSAN NANOTECH RESEARCH INSTITUTE INC., MITSUI & CO., LTD.
    Inventors: Koichi Handa, Subiantoro N/A, Takayuki Tsukada, Tsuyoshi Okubo, Jiayi Shan, Akira Yamauchi, Manabu Nagashima
  • Publication number: 20080254296
    Abstract: Carbon fibrous conjunct is provided by adding to carbon fibrous structures, which each comprises a three dimensional network of carbon fibers each having an outside diameter of 15-100 nm, wherein the carbon fibrous structure further comprises a granular part with which the carbon fibers are bound in the state that the carbon fibers extend outwardly from the granular part, a binder for binding the carbon fibrous structures. The fine carbon fibrous structures having such unique configuration and also bearing physical properties suitable for a filler for a composite material can be provided with a good handleability by this carbon fibrous conjunct. Composite material is prepared by adding to the matrix the carbon fibrous conjuncts, at an amount of 0.1 to 30% by weight based on the total weight of the composite material.
    Type: Application
    Filed: February 28, 2006
    Publication date: October 16, 2008
    Applicant: BUSSAN NANOTECH RESEARCH INSTITUTE INC.
    Inventors: Koichi Handa, D. Subiantoro, Takayuki Tsukada, Jiayi Shan, Tsuyoshi Okubo
  • Patent number: 7214430
    Abstract: A composite material includes a matrix and carbon fibrous structures. The carbon fibrous structure has a three dimensional network of carbon fibers, each having an outside diameter of 15–100 nm, and has a granular part with which carbon fibers are bound in a state such that the carbon fibers extend outwardly from the granular part, and the granular part being produced in a growth process of the carbon fibers. The additive amount of the carbon fibers is in the range of 0.1 to 30% by weight of total weight of the composite material.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: May 8, 2007
    Assignee: Bussan Nanotech Research Institute, Inc.
    Inventors: Koichi Handa, Subiantoro, Takayuki Tsukada, Jiayi Shan, Tsuyoshi Okubo
  • Publication number: 20060263588
    Abstract: The disclosed is a transparent conductive film that includes a matrix and carbon fibrous structures added to the matrix, wherein the carbon fibrous structures comprise carbon fibers, each having an outside diameter of 15-100 nm, and wherein the carbon fibrous structures each comprise a granular part at which two or more carbon fibers are bound to each other, and wherein the granular part is concurrently produced in a growth process for the carbon fibers. When the transparent conductive film is formed at a thickness of 0.1-5 ?m on a glass substrate, it shows a surface resistivity of not more than 1.0×1012?/?, and a total light transmittance of not less than 30%. A coating composition for the conductive transparent film is prepared by using a media mill equipped with beads having an average diameter of 0.05-1.5 mm to disperse the carbon fibrous structures into the liquid resinous composition.
    Type: Application
    Filed: February 28, 2006
    Publication date: November 23, 2006
    Applicants: Bussan Nanotech Research Institute Inc., Parker Corporation
    Inventors: Koichi Handa, Subiantoro, Takayuki Tsukada, Jiayi Shan, Tadashi Ashida, Toshiki Natori
  • Publication number: 20060216516
    Abstract: A composite material includes a matrix and carbon fibrous structures. The carbon fibrous structure has a three dimensional network of carbon fibers, each having an outside diameter of 15-100 nm, and has a granular part with which two or more carbon fibers are tied together such that the carbon fibers extend therefrom, and the granular part being produced in a growth process of the carbon fibers. The additive amount of the carbon fibers is in the range of 0.1 to 30% by weight of total weight of the composite material.
    Type: Application
    Filed: October 11, 2005
    Publication date: September 28, 2006
    Applicant: Bussan Nanotech Research Institute, Inc.
    Inventors: Koichi Handa, Subiantoro, Takayuki Tsukada, Jiayi Shan, Tsuyoshi Okubo
  • Publication number: 20060216517
    Abstract: A composite material includes a matrix and carbon fibrous structures. The carbon fibrous structure has a three dimensional network of carbon fibers, each having an outside diameter of 15-100 nm, and has a granular part with which carbon fibers are bound in a state such that the carbon fibers extend outwardly from the granular part, and the granular part being produced in a growth process of the carbon fibers. The additive amount of the carbon fibers is in the range of 0.1 to 30% by weight of total weight of the composite material.
    Type: Application
    Filed: December 29, 2005
    Publication date: September 28, 2006
    Applicant: Bussan Nanotech Research Institute, Inc.
    Inventors: Koichi Handa, Subiantoro, Takayuki Tsukada, Jiayi Shan, Tsuyoshi Okubo