Patents by Inventor Kaiman Shimizu

Kaiman Shimizu 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: 11236240
    Abstract: The present invention relates to metallic luster pigments, to a process for production thereof and to the use of such metallic luster pigments.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: February 1, 2022
    Inventors: Kaiman Shimizu, Fabian Piech, Adalbert Huber
  • Patent number: 11214690
    Abstract: The present invention relates to semitransparent pearlescent pigments, to processes for producing them, and to the use of such pearlescent pigments, where the pearlescent pigments comprise monolithically constructed substrate platelets composed of a metal oxide having an average thickness of 1 to 40 nm and a form factor, expressed by the ratio of the mean size to the average thickness, of at least 80, which are enveloped by at least one substantially transparent coating A composed of at least one low-index metal oxide and/or metal oxide hydrate, having a refractive index of less than 1.8, and at least one interference layer in the form of a coating B composed of at least one high-index metal oxide, having a refractive index of at least 1.8.
    Type: Grant
    Filed: April 15, 2016
    Date of Patent: January 4, 2022
    Inventors: Adalbert Huber, Fabian Piech, Kaiman Shimizu
  • Patent number: 10563065
    Abstract: The present invention relates to pearlescent pigments, to a process of manufacturing such pearlescent pigments based on a wet oxidation step as well as to the use of such pearlescent pigments.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: February 18, 2020
    Assignee: SCHLENK METALLIC PIGMENTS GMBH
    Inventors: Adalbert Huber, Kaiman Shimizu
  • Publication number: 20190144679
    Abstract: The present invention relates to metallic luster pigments, to a process for production thereof and to the use of such metallic luster pigments.
    Type: Application
    Filed: January 16, 2019
    Publication date: May 16, 2019
    Inventors: Kaiman Shimizu, Fabian Piech, Adalbert Huber
  • Patent number: 10253191
    Abstract: The present invention is related to magnetic pigments comprising a transparent flaky homogeneously composed substrate having two parallel major surfaces and a coating comprising a layered structure composed of a hematite and a magnetite layer, to a process for the production of said pigments as well as to their use.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: April 9, 2019
    Assignee: MERCK PATENT GMBH
    Inventors: Kaiman Shimizu, Fumiko Sasaki, Yukitaka Watanabe, Masahiko Yazawa
  • Patent number: 10227494
    Abstract: The present invention relates to metallic luster pigments, to a process for production thereof and to the use of such metallic luster pigments.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: March 12, 2019
    Assignee: SCHLENK METALLIC PIGMENTS GMBH
    Inventors: Kaiman Shimizu, Fabian Piech, Adalbert Huber
  • Patent number: 10174203
    Abstract: Magnetic pigments containing a transparent flaky homogeneously composed substrate having two parallel major surfaces and a coating containing maghemite, a process for the production of said pigments as well as their use.
    Type: Grant
    Filed: June 8, 2010
    Date of Patent: January 8, 2019
    Assignee: Merck Patent GmbH
    Inventors: Kaiman Shimizu, Tamio Noguchi, Fumiko Sasaki, Yukitaka Watanabe, Masahiko Yazawa
  • Publication number: 20180194946
    Abstract: The present invention relates to pearlescent pigments, to a process of manufacturing such pearlescent pigments based on a wet oxidation step as well as to the use of such pearlescent pigments.
    Type: Application
    Filed: January 10, 2018
    Publication date: July 12, 2018
    Inventors: Adalbert HUBER HUBER, Kaiman SHIMIZU
  • Publication number: 20180112076
    Abstract: The present invention relates to semitransparent pearlescent pigments, to processes for producing them, and to the use of such pearlescent pigments, where the pearlescent pigments comprise monolithically constructed substrate platelets composed of a metal oxide having an average thickness of 1 to 40 nm and a form factor, expressed by the ratio of the mean size to the average thickness, of at least 80, which are enveloped by at least one substantially transparent coating A composed of at least one low-index metal oxide and/or metal oxide hydrate, having a refractive index of less than 1.8, and at least one interference layer in the form of a coating B composed of at least one high-index metal oxide, having a refractive index of at least 1.8.
    Type: Application
    Filed: April 15, 2016
    Publication date: April 26, 2018
    Inventors: Adalbert HUBER, Fabian PIECH, Kaiman SHIMIZU
  • Patent number: 9657185
    Abstract: The present invention is related to brilliant black pigments comprising a flaky aluminum oxide substrate having a coating comprising a layered structure composed of a hematite and a magnetite layer, to a process for the production of said pigments, as well as to their use.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: May 23, 2017
    Assignee: Merck Patent GmbH
    Inventors: Kaiman Shimizu, Fumiko Sasaki, Yukitaka Watanabe
  • Patent number: 9603784
    Abstract: The present invention relates to a process for treating sol-gel capsules comprising a cosmetic or pharmaceutical active material with an inorganic material, as well as sol-gel capsules produced by a process according to the present invention and formulations comprising such sol-gel capsules.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: March 28, 2017
    Assignee: MERCK PATENT GMBH
    Inventors: Kaiman Shimizu, Yukitaka Watanabe, Yuichi Kubota, Fumiko Sasaki, Keisuke Kawagoe, Gabriele Witte, Frank Pfluecker
  • Publication number: 20160168387
    Abstract: The present invention relates to metallic luster pigments, to a process for production thereof and to the use of such metallic luster pigments.
    Type: Application
    Filed: July 29, 2014
    Publication date: June 16, 2016
    Inventors: Kaiman Shimizu, Fabian Piech, Adalbert Huber
  • Publication number: 20130257035
    Abstract: The present invention is related to magnetic pigments comprising a transparent flaky homogeneously composed substrate having two parallel major surfaces and a coating comprising a layered structure composed of a hematite and a magnetite layer, to a process for the production of said pigments as well as to their use.
    Type: Application
    Filed: November 14, 2011
    Publication date: October 3, 2013
    Applicant: MERCK PATENT GMBH
    Inventors: Kaiman Shimizu, Fumiko Sasaki, Yukitaka Watanabe, Masahiko Yazawa
  • Publication number: 20130251771
    Abstract: The present invention is related to brilliant black pigments comprising a flaky aluminum oxide substrate having a coating comprising a layered structure composed of a hematite and a magnetite layer, to a process for the production of said pigments, as well as to their use.
    Type: Application
    Filed: November 14, 2011
    Publication date: September 26, 2013
    Applicant: MERCK PATENT GMBH
    Inventors: Kaiman Shimizu, Fumiko Sasaki, Yukitaka Watanabe
  • Publication number: 20130156834
    Abstract: The present invention relates to a process for treating sol-gel capsules comprising a cosmetic or pharmaceutical active material with an inorganic material, as well as sol-gel capsules produced by a process according to the present invention and formulations comprising such sol-gel capsules.
    Type: Application
    Filed: September 1, 2011
    Publication date: June 20, 2013
    Applicant: MERCK PATENT GMBH
    Inventors: Kaiman Shimizu, Yukitaka Watanabe, Yuichi Kubota, Fumiko Sasaki, Keisuke Kawagoe, Gabriele Witte, Frank Pfluecker
  • Publication number: 20120091702
    Abstract: The present invention is related to magnetic pigments comprising a transparent flaky homogeneously composed substrate having two parallel major surfaces and a coating comprising maghemite, to a process for the production of said pigments as well as to their use.
    Type: Application
    Filed: June 8, 2010
    Publication date: April 19, 2012
    Applicant: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Kaiman Shimizu, Tamio Noguchi, Fumiko Sasaki, Yukitaka Watanabe, Masahiko Yazawa
  • Publication number: 20100045163
    Abstract: The invention relates to a phosphor element comprising Cr(III)-activated aluminium oxide (ruby), to the production thereof, and to the use thereof as LED conversion phosphor for white LEDs or so-called colour-on-demand applications.
    Type: Application
    Filed: October 25, 2007
    Publication date: February 25, 2010
    Inventors: Holger Winkler, Klaus Ambrosius, Thomas Juestel, Katsuhisa Nitta, Kaiman Shimizu
  • Patent number: 6334893
    Abstract: The present invention relates to pigment mixtures containing at least two components component A being Al2O3 flakes coated with one or more metals, metal oxides and/or metal sulfides and component B being acicular or spherical colorants, and to their use in particular in varnishes, paints, printing inks, powder coating materials, plastics and cosmetic formulations.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: January 1, 2002
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Gerhard Pfaff, Sabine Schoen, Kaiman Shimizu
  • Patent number: 6294010
    Abstract: The present invention relates to pigment mixtures containing at least two components, component A being Al2O3 flakes coated with one or more metals, metal oxides and/or metal sulfides and component B being one or more functional pigments, such as electrically conductive pigments, magnetic pigments, IR-reflective pigments or lasermarkable pigments, and to their use in varnishes, paints, printing inks, plastics and powder coatings.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: September 25, 2001
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Gerhard Pfaff, Sabine Schoen, Kaiman Shimizu