Patents by Inventor Pawel Czubarow

Pawel Czubarow 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: 11935673
    Abstract: Provided are a varistor forming paste, a cured product thereof, and a varistor, that can increase the degree of freedom in designing an electronic device, and can exhibit appropriate varistor characteristics. The varistor forming paste contains an epoxy resin (A), a curing agent (B), and a carbon aerogel (C).
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: March 19, 2024
    Assignee: NAMICS CORPORATION
    Inventors: Pawel Czubarow, Daisuke Hashimoto, Yoshitaka Kamata, Toshiyuki Sato
  • Publication number: 20230229079
    Abstract: There are provided a photosensitive resin composition, a cured product thereof, and a wiring structure body, an electronic component, a semiconductor device, and a camera module each including the cured product. This photosensitive resin composition is cured by irradiation with active energy rays, instead of by heat treatment at high temperatures. In this photosensitive resin composition, film loss after a development process is restrained. Furthermore, a miniaturized pattern can be accurately formed by photolithography. An aspect of the present invention is a photosensitive resin composition including components (A) to (C): (A) a modified polyphenylene ether represented by formula (1) and formula (2), (B) a silsesquioxane compound represented by formula (3), and (C) a photopolymerization initiator, a cured product thereof, and a wiring structure body, an electronic component, a semiconductor device, and a camera module each including the cured product.
    Type: Application
    Filed: June 7, 2021
    Publication date: July 20, 2023
    Inventors: Pawel CZUBAROW, Masayoshi OTOMO, Irma Yolanda KAPOGLIS, Nicholas Charles KRASCO, Frank Anthony LETIZIA, III, Toshiyuki SATO
  • Patent number: 11700770
    Abstract: Disclosed is a thermoelectric generator including a heat source contact, a heat sink contact, and a plurality of co-axial fibers. Each of the co-axial fibers include a core and a cladding disposed about the core. The plurality of co-axial fibers extend from the heat source contact to the heat sink contact. Thermoelectric generators are disclosed including hollow core doped silicon carbide fibers and doubly clad PIN junction fibers. Methods for forming direct PN junctions between oppositely doped fibers are additionally disclosed.
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: July 11, 2023
    Assignee: em-TECH
    Inventors: Pawel Czubarow, Anthony Czubarow, Philip Premysler
  • Publication number: 20230200239
    Abstract: Methods of making various fibers are provided including co-axial fibers with oppositely doped cladding and core are provide; hollow core doped silicon carbide fibers are provided; and doubly clad PIN junction fibers are provided. Additionally methods are provided for forming direct PN junctions between oppositely doped fibers are provided. Various thermoelectric generators that incorporate the aforementioned fibers are provided.
    Type: Application
    Filed: December 13, 2022
    Publication date: June 22, 2023
    Inventors: Pawel Czubarow, Anthony Czubarow, Philip Premysler
  • Publication number: 20230117290
    Abstract: Methods of making various fibers are provided including co-axial fibers with oppositely doped cladding and core are provide; hollow core doped silicon carbide fibers are provided; and doubly clad PIN junction fibers are provided. Additionally methods are provided for forming direct PN junctions between oppositely doped fibers are provided. Various thermoelectric generators that incorporate the aforementioned fibers are provided.
    Type: Application
    Filed: December 7, 2022
    Publication date: April 20, 2023
    Inventors: Pawel Czubarow, Anthony Nicholas Czubarow, Philip Abraham Premysler
  • Publication number: 20230013549
    Abstract: Provided are a varistor forming paste, a cured product thereof, and a varistor, that can increase the degree of freedom in designing an electronic device, and can exhibit appropriate varistor characteristics. The varistor forming paste contains an epoxy resin (A), a curing agent (B), and a carbon aerogel (C).
    Type: Application
    Filed: September 25, 2020
    Publication date: January 19, 2023
    Inventors: Pawel Czubarow, Daisuke Hashimoto, Yoshitaka Kamata, Toshiyuki Sato
  • Patent number: 11527695
    Abstract: Methods of making various fibers are provided including co-axial fibers with oppositely doped cladding and core are provide; hollow core doped silicon carbide fibers are provided; and doubly clad PIN junction fibers are provided. Additionally methods are provided for forming direct PN junctions between oppositely doped fibers are provided. Various thermoelectric generators that incorporate the aforementioned fibers are provided.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: December 13, 2022
    Assignee: eM-TECH
    Inventors: Pawel Czubarow, Anthony Nicholas Czubarow, Philip Abraham Premysler
  • Publication number: 20220185667
    Abstract: A porous carbon has an ID/IG of 2.0 or more in a Raman spectrum measured by Raman spectroscopy with respect to the porous carbon wherein the IG is an accumulated intensity of a peak for G band around 1590 cm?1, and the ID is an accumulated intensity of a peak for D band around 1350 cm?1. The porous carbon has pores having a size of less than 1 ?m. The porous carbon can be contained in a resin composition for producing a varistor element.
    Type: Application
    Filed: February 13, 2020
    Publication date: June 16, 2022
    Applicant: NAMICS CORPORATION
    Inventors: Pawel CZUBAROW, Yoshitaka KAMATA, Toshiyuki SATO
  • Publication number: 20220144993
    Abstract: A photocurable resin composition includes a specific modified polyphenylene ether resin, a specific bifunctional acrylic resin, a photopolymerization initiator and a coupling agent in a specific ratio. Curing of the photocurable resin composition can be achieved satisfactorily by irradiation with a common active energy ray (for example, an ultraviolet ray) without requiring high-temperature treatment.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 12, 2022
    Applicant: NAMICS CORPORATION
    Inventors: Pawel CZUBAROW, Toshiyuki SATO, Masayoshi OTOMO
  • Publication number: 20210376214
    Abstract: Methods of making various fibers are provided including co-axial fibers with oppositely doped cladding and core are provide; hollow core doped silicon carbide fibers are provided; and doubly clad PIN junction fibers are provided. Additionally methods are provided for forming direct PN junctions between oppositely doped fibers are provided. Various thermoelectric generators that incorporate the aforementioned fibers are provided.
    Type: Application
    Filed: August 17, 2020
    Publication date: December 2, 2021
    Applicant: eM-TECH
    Inventors: Pawel Czubarow, Anthony Nicholas Czubarow, Philip Abraham Premysler
  • Patent number: 10141090
    Abstract: A resin composition which includes (A) an epoxy resin, (B) a curing agent, and (C) carbon nanotubes, wherein the carbon nanotubes contain therein semiconducting single-walled carbon nanotubes in an amount of 70% by weight or more. A cured product of a paste made from the resin composition can be used to form a varistor element.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: November 27, 2018
    Assignee: NAMICS CORPORATION
    Inventors: Yoshitaka Kamata, Pawel Czubarow, Toshiyuki Sato, Takayuki Fujita
  • Publication number: 20180197663
    Abstract: A resin composition which includes (A) an epoxy resin, (B) a curing agent, and (C) carbon nanotubes, wherein the carbon nanotubes contain therein semiconducting single-walled carbon nanotubes in an amount of 70% by weight or more. A cured product of a paste made from the resin composition can be used to form a varistor element.
    Type: Application
    Filed: January 2, 2018
    Publication date: July 12, 2018
    Applicant: NAMICS CORPORATION
    Inventors: Yoshitaka KAMATA, Pawel CZUBAROW, Toshiyuki SATO, Takayuki FUJITA
  • Patent number: 9670377
    Abstract: An underfill composition for encapsulating a bond line and a method of using the underfill composition are described. Advantageously, the disclosed underfill composition in an uncured state has a fluidity value of less than about ten minutes over about a two centimeter distance at a temperature of about 90 degrees C. and at a bond line thickness of about 50 microns or less and still have a bulk thermal conductivity that is greater than about 0.8 W/mK in the cured state.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: June 6, 2017
    Assignee: NAMICS CORPORATION
    Inventors: Pawel Czubarow, Toshiyuki Sato, Tsutomu Masuko
  • Publication number: 20150252217
    Abstract: An underfill composition for encapsulating a bond line and a method of using the underfill composition are described. Advantageously, the disclosed underfill composition in an uncured state has a fluidity value of less than about ten minutes over about a two centimeter distance at a temperature of about 90 degrees C. and at a bond line thickness of about 50 microns or less and still have a bulk thermal conductivity that is greater than about 0.8 W/mK in the cured state.
    Type: Application
    Filed: March 4, 2014
    Publication date: September 10, 2015
    Applicant: NAMICS CORPORATION
    Inventors: Pawel CZUBAROW, Toshiyuki SATO, Tsutomu MASUKO
  • Publication number: 20150211152
    Abstract: Continuous ceramic (e.g., silicon carbide) nanofibers (502, 602, 604, 606, 608, 702, 704, 1102, 1104) which are optionally p or n type doped are manufactured by electrospinning a polymeric ceramic precursor to produce fine strands of polymeric ceramic precursor which are then pyrolized. The ceramic nanofibers may be used in a variety of applications not limited to reinforced composite materials (400), thermoelectric generators (600, 700) and high temperature particulate filters (1200).
    Type: Application
    Filed: October 5, 2014
    Publication date: July 30, 2015
    Applicant: eM-TECH, Inc.
    Inventor: Pawel Czubarow
  • Patent number: 8865996
    Abstract: Continuous ceramic (e.g., silicon carbide) nanofibers (502, 602, 604, 606, 608, 702, 704, 1102, 1104) which are optionally p or n type doped are manufactured by electrospinning a polymeric ceramic precursor to produce fine strands of polymeric ceramic precursor which are then pyrolized. The ceramic nanofibers may be used in a variety of applications not limited to reinforced composite materials (400), thermoelectric generators (600, 700) and high temperature particulate filters (1200).
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: October 21, 2014
    Assignee: eM-TECH
    Inventors: Pawel Czubarow, Philip Premysler
  • Patent number: 8470936
    Abstract: A liquid epoxy resin composition for semiconductor encapsulation comprising: (A) at least one epoxy resin, (B) at least one curing accelerator and (C) at least one acid anhydride terminated polyamic acid. The liquid epoxy resin composition provides a cured material that has an excellent adhesiveness to a semiconductor chip surface and has an excellent moisture resistance.
    Type: Grant
    Filed: July 29, 2011
    Date of Patent: June 25, 2013
    Assignee: Namics Corporation
    Inventors: Pawel Czubarow, Osamu Suzuki, Toshiyuki Sato, Kazuyoshi Yamada, Kaori Matsumura
  • Publication number: 20130026660
    Abstract: A liquid epoxy resin composition for semiconductor encapsulation comprising: (A) an epoxy resin, (B) an imidazole compound, and (C) a maleimide compound, a semiconductor device encapsulated by the liquid epoxy resin composition, and an assembly in which a cured material of the liquid epoxy resin is positioned between a printed circuit substrate and a semiconductor die. The liquid epoxy resin composition provides a cured material that has an excellent adhesiveness to a semiconductor chip surface and has an excellent moisture resistance.
    Type: Application
    Filed: July 29, 2011
    Publication date: January 31, 2013
    Applicant: NAMICS CORPORATION
    Inventors: Pawel CZUBAROW, Osamu Suzuki, Toshiyuki Sato, Kazuyoshi Yamada, Kaori Matsumura
  • Publication number: 20130026661
    Abstract: A liquid epoxy resin composition for semiconductor encapsulation comprising: (A) at least one epoxy resin, (B) at least one curing accelerator and (C) at least one acid anhydride terminated polyamic acid, and an assembly in which a cured material of the liquid epoxy resin is positioned between a printed circuit substrate and semiconductor die. The liquid epoxy resin composition provides a cured material that has an excellent adhesiveness to a semiconductor chip surface and has an excellent moisture resistance.
    Type: Application
    Filed: July 29, 2011
    Publication date: January 31, 2013
    Applicant: NAMICS CORPORATION
    Inventors: Pawel Czubarow, Osamu Suzuki, Toshiyuki Sato, Kazuyoshi Yamada, Kaori Matsumura
  • Patent number: 8344523
    Abstract: Conductive compositions which are useful as thermally conductive compositions and may also be useful as electrically conductive compositions are provided. The compositions include a conductive particle constituent in combination with a sintering aid which can, for example be a compound of the same metal in the nanometal, an organo-metallic, a metalorganic salt, mercaptan and/or resinate. In some embodiments the conductive particles include a small amount of nanoscale (<200 nm) particles. The compositions exhibit increased thermal conductivity.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: January 1, 2013
    Assignee: Diemat, Inc.
    Inventors: Raymond L. Dietz, Maciej Patelka, Akito Yoshii, Pawel Czubarow, Takashi Sakamoto, Yukinari Abe