Patents by Inventor Eigo MIYAZAKI

Eigo MIYAZAKI 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).

  • POLISHING SLURRY AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
    Publication number: 20200291268
    Abstract: A polishing slurry including a hydrophilic nanocarbon particle having a nitrogen-containing functional group, and a weight ratio of a nitrogen element relative to a carbon element of the hydrophilic nanocarbon particle, the weight ratio expressed as N/C×100% is greater than or equal to about 5 wt %, and a method of manufacturing a semiconductor device using the polishing slurry.
    Type: Application
    Filed: January 23, 2020
    Publication date: September 17, 2020
    Inventors: Kenji TAKAI, Eigo MIYAZAKI, Do Yoon KIM
  • Synthetic method of fused heteroaromatic compound and fused heteroaromatic compound and intermediate therefor and synthetic method of intermediate
    Patent number: 10707424
    Abstract: A method of making a chemical product includes reacting a compound represented by Chemical Formula 1 with a metal alkyl chalcogenide using a palladium catalyst and a tertiary phosphine catalyst to obtain a first intermediate represented by Chemical Formula 2, obtaining a second intermediate represented by Chemical Formula 3 from the first intermediate, obtaining a third intermediate from the second intermediate and a compound represented by Chemical Formula 4, obtaining a fourth intermediate including a chalcogen-containing ring from the third intermediate, and performing a cyclization reaction of the fourth intermediate to obtain a fused heteroaromatic compound. A fused heteroaromatic compound obtained by the method, an intermediate thereof, and a synthetic method of the intermediate are disclosed.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: July 7, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Kyung Lee, Eigo Miyazaki, Jeong Il Park, Hyun Bum Kang
  • Synthetic method of fused heteroaromatic compound and fused heteroaromatic compound, and intermediate thereof
    Patent number: 10600973
    Abstract: A method of synthesizing a fused heteroaromatic compound includes obtaining a first intermediate from a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, obtaining a second intermediate including a ring having a chalcogen element from the first intermediate, and obtaining a fused heteroaromatic compound by a cyclization reaction of the second intermediate.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: March 24, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eigo Miyazaki, Jeong Il Park, Hyun Bum Kang, Eun Kyung Lee
  • Fused polycyclic heteroaromatic compound, organic thin film including compound and electronic device including organic thin film
    Patent number: 10559764
    Abstract: A fused polycyclic heteroaromatic compound represented by Chemical Formula 1A or 1B that has a compact planar structure in which eight or more rings are fused together.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: February 11, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jeong Il Park, Eigo Miyazaki, Eun Kyung Lee, Ajeong Choi
  • POLISHING SLURRY, METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
    Publication number: 20200024482
    Abstract: A polishing slurry including a composite including a hydrophilic fullerene and an ionic compound, a method of manufacturing the same, and a method of manufacturing a semiconductor device.
    Type: Application
    Filed: May 24, 2019
    Publication date: January 23, 2020
    Inventors: Kenji TAKAI, Sang Eui LEE, Ken KOKUBO, Eigo MIYAZAKI, Do Yoon KIM
  • Carbazole compound and organic light-emitting device including the same
    Patent number: 10396294
    Abstract: A carbazole compound represented by Formulae 1A or 1B: wherein in Formulae 1A and 1B, A, R1 to R4, and c1 to c3 are described in the specification.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: August 27, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eigo Miyazaki, Hori Kazushige, Keita Tani, Norihito Ishii
  • Synthetic method of fused heteroaromatic compound and fused heteroaromatic compound and intermediate therefor
    Patent number: 10174055
    Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: January 8, 2019
    Assignee: Samsung Electronics Co., ltd.
    Inventors: Don-Wook Lee, Jeong Il Park, Eigo Miyazaki
  • SYNTHETIC METHOD OF FUSED HETEROAROMATIC COMPOUND AND FUSED HETEROAROMATIC COMPOUND, AND INTERMEDIATE THEREOF
    Publication number: 20180323381
    Abstract: A method of synthesizing a fused heteroaromatic compound includes obtaining a first intermediate from a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, obtaining a second intermediate including a ring having a chalcogen element from the first intermediate, and obtaining a fused heteroaromatic compound by a cyclization reaction of the second intermediate.
    Type: Application
    Filed: July 12, 2018
    Publication date: November 8, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eigo MIYAZAKI, Jeong II PARK, Hyun Bum KANG, Eun Kyung LEE
  • Synthetic method of fused heteroaromatic compound and fused heteroaromatic compound, and intermediate thereof
    Patent number: 10056563
    Abstract: A method of synthesizing a fused heteroaromatic compound includes obtaining a first intermediate from a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, obtaining a second intermediate including a ring having a chalcogen element from the first intermediate, and obtaining a fused heteroaromatic compound by a cyclization reaction of the second intermediate.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: August 21, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eigo Miyazaki, Jeong Il Park, Hyun Bum Kang, Eun Kyung Lee
  • SYNTHETIC METHOD OF FUSED HETEROAROMATIC COMPOUND AND FUSED HETEROAROMATIC COMPOUND AND INTERMEDIATE THEREFOR
    Publication number: 20180179227
    Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.
    Type: Application
    Filed: February 26, 2018
    Publication date: June 28, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Don-Wook LEE, Jeong II Park, Eigo Miyazaki
  • SYNTHETIC METHOD OF FUSED HETEROAROMATIC COMPOUND AND FUSED HETEROAROMATIC COMPOUND AND INTERMEDIATE THEREFOR AND SYNTHETIC METHOD OF INTERMEDIATE
    Publication number: 20180130952
    Abstract: A method of making a chemical product includes reacting a compound represented by Chemical Formula 1 with a metal alkyl chalcogenide using a palladium catalyst and a tertiary phosphine catalyst to obtain a first intermediate represented by Chemical Formula 2, obtaining a second intermediate represented by Chemical Formula 3 from the first intermediate, obtaining a third intermediate from the second intermediate and a compound represented by Chemical Formula 4, obtaining a fourth intermediate including a chalcogen-containing ring from the third intermediate, and performing a cyclization reaction of the fourth intermediate to obtain a fused heteroaromatic compound. A fused heteroaromatic compound obtained by the method, an intermediate thereof, and a synthetic method of the intermediate are disclosed.
    Type: Application
    Filed: July 10, 2017
    Publication date: May 10, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eun Kyung LEE, Eigo MIYAZAKI, Jeong II PARK, Hyun Bum KANG
  • Intermediate for heteroacene compound and synthetic method of heteroacene compound using its intermediate
    Patent number: 9954183
    Abstract: An intermediate of a heteroacene compound is represented by Chemical Formula 1.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: April 24, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eigo Miyazaki, Jeong Il Park, Eun Kyung Lee
  • Synthetic method of fused heteroaromatic compound and fused heteroaromatic compound and intermediate therefor
    Patent number: 9932357
    Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: April 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Don-Wook Lee, Jeong Il Park, Eigo Miyazaki
  • SYNTHETIC METHOD OF FUSED HETEROAROMATIC COMPOUND AND FUSED HETEROAROMATIC COMPOUND AND INTERMEDIATE THEREFOR
    Publication number: 20170355716
    Abstract: A synthetic method of a fused heteroaromatic compound includes preparing a first intermediate represented by Chemical Formula 1, obtaining a second intermediate by reacting the first intermediate and an aldehyde compound, obtain a third intermediate by performing deprotection and reduction reactions on the second intermediate, and obtaining a fused heteroaromatic compound by performing a cyclization reaction on the third intermediate.
    Type: Application
    Filed: October 24, 2016
    Publication date: December 14, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: DON-WOOK LEE, Jeong II PARK, Eigo MIYAZAKI
  • SYNTHETIC METHOD OF FUSED HETEROAROMATIC COMPOUND AND FUSED HETEROAROMATIC COMPOUND, AND INTERMEDIATE THEREOF
    Publication number: 20170294593
    Abstract: A method of synthesizing a fused heteroaromatic compound includes obtaining a first intermediate from a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, obtaining a second intermediate including a ring having a chalcogen element from the first intermediate, and obtaining a fused heteroaromatic compound by a cyclization reaction of the second intermediate.
    Type: Application
    Filed: December 28, 2016
    Publication date: October 12, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Eigo MIYAZAKI, Jeong Il Park, Hyun Bum Kang, Eun Kyung Lee
  • INTERMEDIATE FOR HETEROACENE COMPOUND AND SYNTHETIC METHOD OF HETEROACENE COMPOUND USING ITS INTERMEDIATE
    Publication number: 20170117484
    Abstract: An intermediate of a heteroacene compound is represented by Chemical Formula 1.
    Type: Application
    Filed: October 14, 2016
    Publication date: April 27, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: EIGO MIYAZAKI, Jeong Il PARK, Eun Kyung LEE
  • FUSED POLYCYCLIC HETEROAROMATIC COMPOUND, ORGANIC THIN FILM INCLUDING COMPOUND AND ELECTRONIC DEVICE INCLUDING ORGANIC THIN FILM
    Publication number: 20160226005
    Abstract: A fused polycyclic heteroaromatic compound represented by Chemical Formula 1A or 1B that has a compact planar structure in which eight or more rings are fused together.
    Type: Application
    Filed: January 28, 2016
    Publication date: August 4, 2016
    Inventors: Jeong II PARK, Eigo MIYAZAKI, Eun Kyung LEE, Ajeong CHOI
  • CARBAZOLE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME
    Publication number: 20150188058
    Abstract: A carbazole compound represented by Formulae 1A or 1B: wherein in Formulae 1A and 1B, A, R1 to R4, and c1 to c3 are described in the specification.
    Type: Application
    Filed: December 29, 2014
    Publication date: July 2, 2015
    Inventors: Eigo MIYAZAKI, Hori KAZUSHIGE, Keita TANI, Norihito ISHII