Patents by Inventor In-taek Han

In-taek Han 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).

  • Publication number: 20130113360
    Abstract: An electron emission source includes nano-sized acicular materials and a cracked portion formed in at least one portion of the electron emission source. The acicular materials are exposed between inner walls of the cracked portion. A method for preparing the electron emission source, a field emission device including the electron emission source, and a composition for forming the electron emission source are also provided in the present invention.
    Type: Application
    Filed: October 30, 2012
    Publication date: May 9, 2013
    Inventors: Yong-chul KIM, In-taek HAN, Ho-suk KANG
  • Patent number: 8437674
    Abstract: A heating member includes a resistive heating layer disposed on an outermost layer of the heating member, where the resistive heating layer includes a conductive filler distributed in a base material and where the resistive heating layer emits heat when supplied with an electric current from an electrode, and a contacting unit which exposes the conductive filler of the resistive heating layer and contacts the electrode.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: May 7, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-eui Lee, In-taek Han, Ha-jin Kim, Sang-soo Jee, Dong-earn Kim
  • Patent number: 8418504
    Abstract: Disclosed is a method of fabricating an optical fiber or an optical device doped with reduced metal ion and/or rare earth ion, comprising steps of: forming a partially-sintered fine structure in a base material for fabricating the optical fiber or the optical device; soaking the fine structure into a doping solution containing a reducing agent together with metal ion and rare earth ion during a selected time; drying the fine structure in which the metal ion and/or rare ion are/is soaked; and heating the fine structure such that the fine structure is sintered.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: April 16, 2013
    Assignees: Optonest Corporation, K-JIST (Kwangju Institute of Science and Technology)
    Inventors: Won-Taek Han, Yune-Hyoun Kim, Tae-Jung Ahn
  • Publication number: 20130062591
    Abstract: A case including a case main body, a matrix including a semiconductor nanocrystal, the matrix disposed in the case main body, and a sealant disposed on the case main body, wherein the sealant has a gas permeability of about 1 cubic centimeter at standard temperature and pressure per centimeter per meter squared per day per atmosphere or less and a tensile strength of about 5 megaPascals or more, and wherein the semiconductor nanocrystal is a Group II-VI compound, a Group III-V compound, a Group IV-VI compound, a Group IV element, a Group IV element, a Group IV compound, or a combination thereof.
    Type: Application
    Filed: May 9, 2012
    Publication date: March 14, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Shin Ae JUN, Eun Joo JANG, In-Taek HAN, Hyun A. KANG, Hyo Sook JANG, Sang Eui LEE, Soo-Kyung KWON
  • Publication number: 20130017221
    Abstract: The present invention provides an easy and rapid method for detecting/identifying the presence or absence of specific Plasmodium parasites and four species of malaria parasites in a human specimen, an anti-malaria measure support system, and a malaria infection-prevention/treatment system, which can contribute to practical diagnosis in a malaria endemic area. According to the present invention, using a genus-specific primer set that can detect four Plasmodium parasites that infect humans at a time, and the primer sets each specific to each of four species of Plasmodium parasites (P. falciparum, P. vivax, P. malariae, and P. ovale), the presence or absence of infection with these parasites can be detected/identified easily and rapidly.
    Type: Application
    Filed: June 13, 2012
    Publication date: January 17, 2013
    Applicants: OTSUKA PHARMACEUTICAL CO., LTD., EHIME UNIVERSITY
    Inventors: Takafumi TSUBOI, Eun-Taek HAN
  • Patent number: 8355661
    Abstract: A fusing device includes; a heating member having a resistive heating layer constituting an outermost portion of the heating member, a nip forming member facing the heating member to form a fusing nip therewith, and a plurality of current supplying electrodes which contact an outer circumference of the resistive heating layer to supply electrical current to the resistive heating layer.
    Type: Grant
    Filed: August 10, 2010
    Date of Patent: January 15, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-earn Kim, In-taek Han, Ha-jin Kim, Sang-soo Jee, Sang-eui Lee
  • Patent number: 8344606
    Abstract: A field emission device includes a substrate including a groove; a metal electrode disposed on a bottom surface of the groove; and a carbon nanotube (“CNT”) emitter. The CNT emitter includes an intermetallic compound layer disposed on the metal electrode and CNTs disposed on the intermetallic compound layer.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: January 1, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yoon-chul Son, Yong-chul Kim, In-taek Han, Ho-suk Kang
  • Patent number: 8318049
    Abstract: An electron emission source includes nano-sized acicular materials and a cracked portion formed in at least one portion of the electron emission source. The acicular materials are exposed between inner walls of the cracked portion. A method for preparing the electron emission source, a field emission device including the electron emission source, and a composition for forming the electron emission source are also provided in the present invention.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: November 27, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-chul Kim, In-taek Han, Ho-suk Kang
  • Publication number: 20120294659
    Abstract: A heating composite, including a polymer matrix; and a carbon nanotube structure including a plurality of carbon nanotubes continuously connected to each other and integrated with the polymer matrix.
    Type: Application
    Filed: May 18, 2012
    Publication date: November 22, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-eui LEE, In-taek HAN, Yoon-chul SON, Ha-jin KIM, Dong-ouk KIM, Dong-earn KIM, Kun-mo CHU
  • Patent number: 8309702
    Abstract: The present invention provides an easy and rapid method for detecting/identifying the presence or absence of specific Plasmodium parasites and four species of malaria parasites in a human specimen, an anti-malaria measure support system, and a malaria infection-prevention/treatment system, which can contribute to practical diagnosis in a malaria endemic area. According to the present invention, using a genus-specific primer set that can detect four Plasmodium parasites that infect humans at a time, and the primer sets each specific to each of four species of Plasmodium parasites (P. falciparum, P. vivax, P. malariae, and P. ovale), the presence or absence of infection with these parasites can be detected/identified easily and rapidly.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: November 13, 2012
    Assignees: Ehime University, Otsuka Pharmaceutical Co., Ltd.
    Inventors: Takafumi Tsuboi, Eun-Taek Han
  • Patent number: 8290418
    Abstract: A fixing unit includes a heating member which includes a core member, and a heating layer. The heating layer is disposed on an outer circumference of the core member. The heating layer includes an elastic material, and carbon nanotube doped with metal and distributed in the elastic material as a conductive filler of the heating layer. A press member faces the heating member to form a fixing nip. The fixing unit applies heat and pressure to toner on a medium passing through the fixing nip, to fix the toner on the medium.
    Type: Grant
    Filed: September 11, 2009
    Date of Patent: October 16, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha-jin Kim, In-taek Han, Sang-soo Jee, Sang-eui Lee, Dong-earn Kim
  • Publication number: 20120207525
    Abstract: A resistance heating composition including carbon nanotubes, an ionic liquid, and a binder resin.
    Type: Application
    Filed: February 13, 2012
    Publication date: August 16, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-ouk KIM, Ha-Jin KIM, In-taek HAN, Yoon-chul SON, Sang-soo JEE, Dong-earn KIM, Sang-eui LEE, Kun-mo CHU
  • Patent number: 8081854
    Abstract: Disclosed is a low bend loss optical fiber including: a core; an inner layer disposed at outside of the core, which has a refractive index lower than a refractive index of the core, the refractive index of the inner layer gradually decreasing as it becomes farther from the core; and a trench layer disposed at outside of the inner layer, which has a lowest refractive index.
    Type: Grant
    Filed: December 15, 2009
    Date of Patent: December 20, 2011
    Assignees: SEHF-Korea Co., Ltd., Gwangju Institute of Science and Technology
    Inventors: Young-Sik Yoon, Yeong-Seop Lee, Jin-Han Kim, Won-Taek Han, Seong-Min Joo, Dea-Hwan Oh
  • Patent number: 8055177
    Abstract: A heating member includes a weight supporter having an outer circumference, and a resistive heating disposed on the outer circumference of the weight supporter. The resistive heating layer includes a conductive filler dispersed in a base material. A pair of electrodes extends along a length direction of a rotational axis of the weight supporter and is arranged along a circumference of the weight supporter for supplying electric power to the resistive heating layer.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: November 8, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sang-eui Lee, In-taek Han, Ha-jin Kim, Sang-soo Jee, Dong-earn Kim
  • Publication number: 20110116850
    Abstract: A heating member includes a resistive heating layer disposed on an outermost layer of the heating member, where the resistive heating layer comprises a conductive filler distributed in a base material and where the resistive heating layer emits heat when supplied with an electric current from an electrode, and a contacting unit which exposes the conductive filler of the resistive heating layer and contacts the electrode..
    Type: Application
    Filed: July 29, 2010
    Publication date: May 19, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-eui LEE, In-taek HAN, Ha-jin KIM, Sang-soo JEE, Dong-earn KIM
  • Patent number: 7930886
    Abstract: A bio signal measuring apparatus. The bio signal measuring apparatus includes an electrocardiogram measuring attached to the skin of a patient to measure an electrocardiogram signal of the patient. A heart sound sensor contacts the skin of the patient to measure a heart sound signal of the patient. A controlling unit obtains bio information including at least a heart rate from the electrocardiogram signal using the heart sound signal.
    Type: Grant
    Filed: February 2, 2006
    Date of Patent: April 26, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kun-soo Shin, Jin-sang Hwang, Wan-taek Han
  • Patent number: 7905756
    Abstract: A field emission backlight unit for a liquid crystal display (LCD) includes: a lower substrate; first electrodes and second electrodes alternately formed in parallel lines on the lower substrate; emitters disposed on at least the first electrodes; an upper substrate spaced apart from the lower substrate by a predetermined distance such that the upper and lower substrates face each other; a third electrode formed on a bottom surface of the upper substrate; and a fluorescent layer formed on the third electrode. Since the backlight unit has a triode-type field emission structure, field emission is very stable. Since the first electrodes and the second electrodes are formed in the same plane, brightness uniformity is improved and manufacturing processes are simplified.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: March 15, 2011
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Ho-Suk Kang, In-Taek Han, Yong-Wan Jin, Min-Jong Bae, Young-Jun Park
  • Patent number: 7896811
    Abstract: A portable device having a biosignal measuring instrument includes: at least one first electrocardiogram signal sensor portion on a first surface of the portable device that contacts a first hand of a user, to measure a first electrocardiogram signal of the user; at least one second electrocardiogram signal sensor portion on a second surface of the portable device that contacts a wrist of a second hand of the user, to measure a second electrocardiogram signal from the wrist; a pulse waveform sensor on the second surface and in parallel with the second electrocardiogram signal sensor portion, to sense a pulse waveform from the wrist; a waveform controller generating an electrocardiogram waveform of the user from the measured first electrocardiogram signal and second electrocardiogram signal, generating a pulse waveform of the user from the sensed pulse waveform, and detecting at least one characteristic point of the pulse waveform by referring to the electrocardiogram waveform; and an output portion providing
    Type: Grant
    Filed: May 12, 2006
    Date of Patent: March 1, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Wan Taek Han, Jin Sang Hwang, Sang Hoon Shin, Hyung Sok Yeo
  • Publication number: 20110044739
    Abstract: A fusing device includes; a heating member having a resistive heating layer constituting an outermost portion of the heating member, a nip forming member facing the heating member to form a fusing nip therewith, and a plurality of current supplying electrodes which contact an outer circumference of the resistive heating layer to supply electrical current to the resistive heating layer.
    Type: Application
    Filed: August 10, 2010
    Publication date: February 24, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-earn KIM, In-taek HAN, Ha-jin KIM, Sang-soo JEE, Sang-eui LEE
  • Publication number: 20110037454
    Abstract: Disclosed is an optical fiber for a current sensor, the optical fiber comprising a core doped with CdSe quantum dots and a current sensor using the same.
    Type: Application
    Filed: August 13, 2009
    Publication date: February 17, 2011
    Inventors: Won Taek Han, Pramod R. Watekar, Seong Mi Ju, Ho Young Yang