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).
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Patent number: 11236240Abstract: The present invention relates to metallic luster pigments, to a process for production thereof and to the use of such metallic luster pigments.Type: GrantFiled: January 16, 2019Date of Patent: February 1, 2022Inventors: Kaiman Shimizu, Fabian Piech, Adalbert Huber
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Patent number: 11214690Abstract: 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: GrantFiled: April 15, 2016Date of Patent: January 4, 2022Inventors: Adalbert Huber, Fabian Piech, Kaiman Shimizu
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Patent number: 10563065Abstract: 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: GrantFiled: January 10, 2018Date of Patent: February 18, 2020Assignee: SCHLENK METALLIC PIGMENTS GMBHInventors: Adalbert Huber, Kaiman Shimizu
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Publication number: 20190144679Abstract: The present invention relates to metallic luster pigments, to a process for production thereof and to the use of such metallic luster pigments.Type: ApplicationFiled: January 16, 2019Publication date: May 16, 2019Inventors: Kaiman Shimizu, Fabian Piech, Adalbert Huber
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Patent number: 10253191Abstract: 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: GrantFiled: November 14, 2011Date of Patent: April 9, 2019Assignee: MERCK PATENT GMBHInventors: Kaiman Shimizu, Fumiko Sasaki, Yukitaka Watanabe, Masahiko Yazawa
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Patent number: 10227494Abstract: The present invention relates to metallic luster pigments, to a process for production thereof and to the use of such metallic luster pigments.Type: GrantFiled: July 29, 2014Date of Patent: March 12, 2019Assignee: SCHLENK METALLIC PIGMENTS GMBHInventors: Kaiman Shimizu, Fabian Piech, Adalbert Huber
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Patent number: 10174203Abstract: 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: GrantFiled: June 8, 2010Date of Patent: January 8, 2019Assignee: Merck Patent GmbHInventors: Kaiman Shimizu, Tamio Noguchi, Fumiko Sasaki, Yukitaka Watanabe, Masahiko Yazawa
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Publication number: 20180194946Abstract: 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: ApplicationFiled: January 10, 2018Publication date: July 12, 2018Inventors: Adalbert HUBER HUBER, Kaiman SHIMIZU
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Publication number: 20180112076Abstract: 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: ApplicationFiled: April 15, 2016Publication date: April 26, 2018Inventors: Adalbert HUBER, Fabian PIECH, Kaiman SHIMIZU
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Patent number: 9657185Abstract: 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: GrantFiled: November 14, 2011Date of Patent: May 23, 2017Assignee: Merck Patent GmbHInventors: Kaiman Shimizu, Fumiko Sasaki, Yukitaka Watanabe
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Patent number: 9603784Abstract: 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: GrantFiled: September 1, 2011Date of Patent: March 28, 2017Assignee: MERCK PATENT GMBHInventors: Kaiman Shimizu, Yukitaka Watanabe, Yuichi Kubota, Fumiko Sasaki, Keisuke Kawagoe, Gabriele Witte, Frank Pfluecker
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Publication number: 20160168387Abstract: The present invention relates to metallic luster pigments, to a process for production thereof and to the use of such metallic luster pigments.Type: ApplicationFiled: July 29, 2014Publication date: June 16, 2016Inventors: Kaiman Shimizu, Fabian Piech, Adalbert Huber
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Publication number: 20130257035Abstract: 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: ApplicationFiled: November 14, 2011Publication date: October 3, 2013Applicant: MERCK PATENT GMBHInventors: Kaiman Shimizu, Fumiko Sasaki, Yukitaka Watanabe, Masahiko Yazawa
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Publication number: 20130251771Abstract: 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: ApplicationFiled: November 14, 2011Publication date: September 26, 2013Applicant: MERCK PATENT GMBHInventors: Kaiman Shimizu, Fumiko Sasaki, Yukitaka Watanabe
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Publication number: 20130156834Abstract: 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: ApplicationFiled: September 1, 2011Publication date: June 20, 2013Applicant: MERCK PATENT GMBHInventors: Kaiman Shimizu, Yukitaka Watanabe, Yuichi Kubota, Fumiko Sasaki, Keisuke Kawagoe, Gabriele Witte, Frank Pfluecker
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Publication number: 20120091702Abstract: 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: ApplicationFiled: June 8, 2010Publication date: April 19, 2012Applicant: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Kaiman Shimizu, Tamio Noguchi, Fumiko Sasaki, Yukitaka Watanabe, Masahiko Yazawa
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Publication number: 20100045163Abstract: 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: ApplicationFiled: October 25, 2007Publication date: February 25, 2010Inventors: Holger Winkler, Klaus Ambrosius, Thomas Juestel, Katsuhisa Nitta, Kaiman Shimizu
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Patent number: 6334893Abstract: 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: GrantFiled: December 23, 1999Date of Patent: January 1, 2002Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Gerhard Pfaff, Sabine Schoen, Kaiman Shimizu
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Patent number: 6294010Abstract: 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: GrantFiled: December 23, 1999Date of Patent: September 25, 2001Assignee: Merck Patent Gesellschaft mit Beschrankter HaftungInventors: Gerhard Pfaff, Sabine Schoen, Kaiman Shimizu