Patents by Inventor Kui Chen-Ho

Kui Chen-Ho 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: 12001038
    Abstract: The disclosed patterned wavelength-selective material and process for making the patterned wavelength-selective material uses patterned applied adhesive and a structurally weak wavelength-selective material that includes portions that contact the adhesive and break to remain in contact with the adhesive. In one embodiment, the wavelength-selective material comprises an array of sections with cuts at least partially through a wavelength-selective film at each section secured to the adhesive. In another embodiment, the wavelength-selective film comprises a transfer stack of layers.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: June 4, 2024
    Assignee: 3M Innovative Properties Company
    Inventors: Kui Chen-Ho, Douglas S. Dunn, Tien Yi T. H. Whiting, Bryan T. Whiting, Taylor J. Kobe, Anthony F. Schultz, Duane D. Fansler, Jonah Shaver, John A. Wheatley, Susannah C. Clear, Daniel J. Theis, John T. Strand, Thomas J. Metzler, Kevin W. Gotrik, Scott J. Jones
  • Patent number: 11953706
    Abstract: Wavelength-selective films are visibly apparent under the selective wavelength. Wavelength-selective films typically reflect off axis the selected wavelength and therefore can provide high-contrast against a background when applied in a pattern on a substrate. However, it is difficult to apply unique patterned embedded images from film. Disclosed is a cost-effective method and construction of a patterned wavelength-selective image to a substrate. In the disclosed wavelength-selective image, wavelength-selective film particles are applied to an adhesive pattern to create the wavelength-selective image.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: April 9, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Kui Chen-Ho, Kenneth L. Smith, Douglas S. Dunn, Tien Yi T. H. Whiting, John A. Wheatley, Bryan T. Whiting, Taylor J. Kobe, Anthony F. Schultz, Duane D. Fansler, Jonah Shaver
  • Publication number: 20230306222
    Abstract: The present disclosure includes in one instance an optical article comprising a data rich plurality of retroreflective elements that are configured in a spatially defined arrangement, where the plurality of retroreflective elements comprise retroreflective elements having at least two different retroreflective properties, and where data rich means information that is readily machine interpretable. The present disclosure also includes a system comprising the previously mentioned optical article, an optical system, and an inference engine for interpreting and classifying the plurality of retroreflective elements wherein the optical system feeds data to the inference engine.
    Type: Application
    Filed: April 4, 2023
    Publication date: September 28, 2023
    Inventors: Michael A. McCoy, Glenn E. Casner, Anne C. Gold, Silvia Geciova-Borovova Guttmann, Charles A. Shaklee, Robert W. Shannon, Gautam Singh, Guruprasad Somasundaram, Andrew H. Tilstra, John A. Wheatley, Caroline M. Ylitalo, Arash Sangari, Alexandra R. Cunliffe, Jonathan D. Gandrud, Kui Chen-Ho, Travis L. Potts, Maja Giese, Andreas M. Geldmacher, Katja Hansen, Markus G.W. Lierse, Neeraj Sharma
  • Publication number: 20230278170
    Abstract: An abrasive article comprises a porous substrate having openings extending through the porous substrate between first and second opposed major surfaces. An abrasive coating is disposed on only a portion of a first major surface of the porous substrate. The abrasive coating comprises a functional layer disposed on only a portion of a first major surface of the porous substrate, a make layer disposed on at least a portion of the functional layer opposite the porous substrate, and abrasive particles. The functional layer and the make layer independently comprise chemically crosslinked binders. The functional layer fully occludes a first portion the openings and does not fully occlude a second portion of the openings, which permits passage of abraded swarf through the abrasive article. Methods of making the abrasive article are also disclosed.
    Type: Application
    Filed: July 7, 2021
    Publication date: September 7, 2023
    Inventors: Junting Li, Jing Zhang, Kui Chen-Ho, Michael J. Annen, Yuyang Liu, Ann M. Gilman, Kevin T. Reddy
  • Patent number: 11682185
    Abstract: In general, techniques are described for a personal protective equipment (PPE) management system (PPEMS) that uses images of optical patterns embodied on articles of personal protective equipment (PPEs) to identify safety conditions that correspond to usage of the PPEs. In one example, an article of personal protective equipment (PPE) includes a first optical pattern embodied on a surface of the article of PPE; a second optical pattern embodied on the surface of the article of PPE, wherein a spatial relation between the first optical pattern and the second optical pattern is indicative of an operational status of the article of PPE.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: June 20, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Caroline M. Ylitalo, Kui Chen-Ho, Paul L. Acito, Tien Yi T. H. Whiting, James B. Snyder, Travis L. Potts, James W. Howard, James L. C. Werness, Jr., Suman K. Patel, Charles A. Shaklee, Katja Hansen, Glenn E. Casner, Kiran S. Kanukurthy, Steven T. Awiszus, Neeraj Sharma
  • Patent number: 11651179
    Abstract: The present disclosure includes in one instance an optical article comprising a data rich plurality of retroreflective meats that are configured in a spatially defined arrangement, where the plurality of retroreflective elements comprise retroreflective elements having at least two different retroreflective properties, and where data rich means information that is readily machine interpretable. The present disclosure also includes a system comprising the previously mentioned optical article, an optical system, and an inference engine for interpreting and classifying the plurality of retroreflective elements wherein the optical system feeds data to the inference engine.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: May 16, 2023
    Assignee: 3M Innovative Properties Company
    Inventors: Michael A. McCoy, Glenn E. Casner, Anne C. Gold, Silvia Geciova-Borovova Guttmann, Charles A. Shaklee, Robert W. Shannon, Gautam Singh, Guruprasad Somasundaram, Andrew H. Tilstra, John A. Wheatley, Caroline M. Ylitalo, Arash Sangari, Alexandra R. Cunliffe, Jonathan D. Gandrud, Kui Chen-Ho, Travis L. Potts, Maja Giese, Andreas M. Geldmacher, Katja Hansen, Markus G. W. Lierse, Neeraj Sharma
  • Publication number: 20230063749
    Abstract: This disclosure describes a composition that includes a bulk diffuser that includes a film having a major surface; the film includes a polymer, and a scattering element. The scattering element includes a silicone bead having a mean particle diameter in a range of 2 micrometers (?m) to 9 ?m. The linear density of the film is at least 5.1 Wi*?m, wherein the linear density equals the product of the mass fraction of the silicone bead (Wi) and film thickness in micrometers (?m). This disclosure further describes methods of making the film and the bulk diffuser and methods of using the film including, for example, as a bulk diffuser in a sign box.
    Type: Application
    Filed: December 21, 2020
    Publication date: March 2, 2023
    Inventors: Michael J. Sykora, Kui Chen-Ho, Guy M. Kallman, Ellen O. Aeling, Kaitlin R. Mohs, Patrick J. Yeshe
  • Patent number: 11572492
    Abstract: Modified adhesive layers are prepared by contacting an adhesive layer to a modified microstructured release liner. The modified release liner has a release layer surface with a set of microstructured depressions and a discontinuous pattern of ink material located on the surface of the release layer. A portion of the discontinuous pattern of ink material overlaps with and is located within some of the depressions. The ink material comprises a non-adhesive but adhesively transferrable material, or an adhesive material. Upon removal of the adhesive from the release liner, the ink material transfers to the adhesive surface.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: February 7, 2023
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Kui Chen-Ho, Patrick J. Yeshe, Matthew S. Stay, Matthew R. D. Smith, Anish Kurian, Ross E. Behling
  • Publication number: 20230031047
    Abstract: A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements include a reflective layer that is embedded between the transparent microsphere and the binder layer. At least some of the embedded reflective layers are localized reflective layers.
    Type: Application
    Filed: September 30, 2022
    Publication date: February 2, 2023
    Inventors: Kui Chen-Ho, Ann M. Gilman, Kevin W. Gotrik, Scott J. Jones, Daniel M. Lentz, Michael A. McCoy, Shri Niwas, Matthew S. Stay, Ramasubramani Kuduva Raman Thanumoorthy, Ying Xia
  • Publication number: 20220365260
    Abstract: A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer and a discontinuous binder-borne reflective layer that is provided by a portion of a fractured binder-borne reflective sheet.
    Type: Application
    Filed: September 29, 2020
    Publication date: November 17, 2022
    Inventors: Kui Chen-Ho, Graham M. Clarke, Kevin W. Gotrik, Michael A. McCoy, Christopher A. Merton, Aaron M. Nash, Shri Niwas, Anthony F. Schultz, Carla S. Thomas, Tien Yi T.H. Whiting, Ying Xia, Scott J. Jones
  • Patent number: 11493674
    Abstract: A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements include a reflective layer that is embedded between the transparent microsphere and the binder layer. At least some of the embedded reflective layers are localized reflective layers.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: November 8, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Kui Chen-Ho, Ann M. Gilman, Kevin W. Gotrik, Scott J. Jones, Daniel M. Lentz, Michael A. McCoy, Shri Niwas, Matthew S. Stay, Ramasubramani Kuduva Raman Thanumoorthy, Ying Xia
  • Publication number: 20220299630
    Abstract: A radar-optical fusion article for attachment to a substrate is described. The radar-optical fusion article includes a first retroreflective layer which is configured to retroreflect at least a portion of light having a wavelength in a range from about 400 nm to about 2500 nm. The radar-optical fusion article includes a second retroreflective layer disposed adjacent to the first retroreflective layer. The second retroreflective layer is configured to retroreflect at least a portion of an electromagnetic wave having a frequency in the range from about 0.5 GHz to about 100 GHz.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 22, 2022
    Inventors: Kui Chen-Ho, Jonathan D. Gandrud, Mohsen Salehi, Douglas S. Dunn, Jaewon Kim
  • Patent number: 11435616
    Abstract: Optical constructions are disclosed. A disclosed optical construction includes a reflective polarizer layer, and an optical film that is disposed on the reflective polarizer layer. The optical film has an optical haze that is not less than about 50%. Substantial portions of each two neighboring major surfaces in the optical construction are in physical contact with each other. The optical construction has an axial luminance gain that is not less than about 1.2.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: September 6, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Encai Hao, Fei Lu, William Blake Kolb, Brian W. Ostlie, Adam D. Haag, Michael Benton Free, William D. Coggio, Michael L. Steiner, Soemantri Widagdo, Kui Chen-Ho, Lan H. Liu, Robert F. Kamrath, Scott M. Tapio, John A. Wheatley, Charles D. Hoyle, Michael F. Weber
  • Publication number: 20220276417
    Abstract: A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements include a reflective layer that is a locally-laminated reflective layer that is embedded between the transparent microsphere and the binder layer. At least some of the locally-laminated reflective layers may be localized reflective layers.
    Type: Application
    Filed: May 12, 2022
    Publication date: September 1, 2022
    Inventors: Kevin W. Gotrik, Kui Chen-Ho, Scott J. Jones, Michael A. McCoy, Christopher A. Merton, Shri Niwas, Ramasubramani Kuduva Raman Thanumoorthy, Ying Xia
  • Publication number: 20220269917
    Abstract: Optical articles including a spatially defined arrangement of a plurality of data rich retroreflective elements, wherein the plurality of retroreflective elements comprise retroreflective elements having at least two different retroreflective properties and at least two different optical contrasts with respect to a background substrate when observed within an ultraviolet spectrum, a visible spectrum, a near-infrared spectrum, or a combination thereof.
    Type: Application
    Filed: March 11, 2022
    Publication date: August 25, 2022
    Inventors: Michael A. McCoy, Anne C. Gold, Silvia Geciova-Borovova Guttmann, Glenn E. Casner, Timothy J. Gardner, Steven H. Kong, Gautam Singh, Jonathan T. Kahl, Nathan J. Anderson, Catherine L. Aune, Caroline M. Ylitalo, Britton G. Billingsley, Muhammad J. Afridi, Kui Chen-Ho, Travis L. Potts, Robert W. Shannon, Guruprasad Somasundaram
  • Patent number: 11413846
    Abstract: Described herein is an article having a microsphere layer comprising a monolayer of microspheres, the monolayer of microspheres comprising a first area substantially free of microspheres and a second area comprising a plurality of randomly-distributed microspheres, wherein the monolayer of microspheres comprises a predetermined pattern, the predetermined pattern comprises at least one of (i) a plurality of the first areas, (ii) a plurality of the second areas, and (iii) combinations thereof; and (b) a bead bonding layer disposed on the microsphere layer, wherein the plurality of microspheres are partially embedded in a first major surface of the bead bonding layer, wherein the article has a retroreflectivity (Ra) of less than 5.0 candelas/lux/square meter. Also disclosed herein are transfer carriers and methods of making the articles and transfer carriers.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: August 16, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Christopher B. Walker, Jr., Toheeb B. Alabi, Kui Chen-Ho, John C. Clark, Jeremy P. Gundale, Vivek Krishnan, Alexander J. Kugel, Mikhail L. Pekurovsky, Chris A. Pommer, Matthew S. Stay
  • Patent number: 11415731
    Abstract: A retroreflective article including a reflective-particle-containing binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements comprise a primary reflective layer that covers a portion of the embedded surface area of the transparent microsphere, and a secondary reflective layer provided by portions of the reflective-particle-containing binder layer that are adjacent to portions of the embedded surface area of the transparent microsphere that are not covered by the primary reflective layer.
    Type: Grant
    Filed: October 25, 2018
    Date of Patent: August 16, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Michael A. McCoy, Ying Xia, Lok-Man Ng, Shri Niwas, Scott J. Jones, Kevin W. Gotrik, Kui Chen-Ho
  • Publication number: 20220214478
    Abstract: A retroreflective article comprises a binder layer and a plurality of retroreflective elements, each retroreflective element comprising a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements comprise a first locally laminated layer and a second locally laminated layer that may be reflective layers. A transfer article comprises a disposable carrier layer in which the retroreflective article is detachably disposed with at least some of the transparent microspheres in contact with the disposable carrier layer.
    Type: Application
    Filed: April 24, 2020
    Publication date: July 7, 2022
    Inventors: Kevin W. Gotrik, Kui Chen-Ho, Graham M. Clarke, Scott J. Jones, Michael A. McCoy, Shri Niwas, David J. Rowe, Tien Yi T.H. Whiting, Ying Xia
  • Publication number: 20220215665
    Abstract: In general, techniques are described for a personal protective equipment (PPE) management system (PPEMS) that uses images of optical patterns embodied on articles of personal protective equipment (PPEs) to identify safety conditions that correspond to usage of the PPEs. In one example, an article of personal protective equipment (PPE) includes a first optical pattern embodied on a surface of the article of PPE; a second optical pattern embodied on the surface of the article of PPE, wherein a spatial relation between the first optical pattern and the second optical pattern is indicative of an operational status of the article of PPE.
    Type: Application
    Filed: March 17, 2022
    Publication date: July 7, 2022
    Inventors: Caroline M. Ylitalo, Kui Chen-Ho, Paul L. Acito, Tien Yi T.H. Whiting, James B. Snyder, Travis L. Potts, James W. Howard, James L.C. Werness, Jr., Suman K. Patel, Charles A. Shaklee, Katja Hansen, Glenn E. Casner, Kiran S. Kanukurthy, Steven T. Awiszus, Neeraj Sharma
  • Publication number: 20220206195
    Abstract: A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements include a first layer that is disposed between the transparent microsphere and the binder layer and a second layer that is disposed between the transparent microsphere and the binder layer. At least one of the first layer and the second layer is a reflective layer; and, the first reflective layer and the second reflective layer differ in reflectivity. For at least some of the retroreflective elements, at least a portion of the second reflective layer is positioned in-parallel to the first reflective layer.
    Type: Application
    Filed: April 24, 2020
    Publication date: June 30, 2022
    Inventors: Kui Chen-Ho, Ying Xia, Tien Yi T.H. Whiting, David J. Rowe, Shri Niwas, Michael A. McCoy, Scott J. Jones, Kevin W. Gotrik, Graham M. Clarke, Lok-Man Ng