Patents by Inventor Riyan Mendonsa

Riyan Mendonsa 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: 11449238
    Abstract: A data storage system can provide low cost and optimized performance with a cartridge housing multiple separate data storage devices and each of the data storage devices being concurrently engaged by a device player. The device player may have a processor configured to analyze mechanical performance of each data storage device and data performance of data resident in each data storage device.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: September 20, 2022
    Inventors: Riyan A. Mendonsa, Brett R. Herdendorf, Jon D. Trantham, Krishnan Subramanian, John E. Moon, Hemant Mane
  • Publication number: 20220201884
    Abstract: An apparatus with a housing which stores a plurality of data storage magazines where each data storage magazine includes a plurality of data storage devices. The housing includes a movable carriage configured to selectively couple a set of data storage devices held by a particular data storage magazine to a host device. The housing also includes a physical locking mechanism configured to selectively prevent data storage devices from coupling to the host device.
    Type: Application
    Filed: December 21, 2020
    Publication date: June 23, 2022
    Applicant: Seagate Technology LLC
    Inventors: Brett Herdendorf, Riyan Mendonsa, Krishnan Subramanian
  • Patent number: 11367464
    Abstract: An apparatus with a housing which stores a plurality of data storage magazines, where each data storage magazine includes a plurality of data storage devices. The housing includes a movable carriage, the movable carriage configured to selectively couple a set of data storage devices held by a particular data storage magazine to a host device. The housing also includes a motor configured to move the movable carriage within the housing to enable the movable carriage to communicatively couple the set of data storage devices held by the particular data storage magazine to the host device.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: June 21, 2022
    Assignee: SEAGATE TECHNOLOGY, LLC
    Inventors: Brett Herdendorf, Riyan Mendonsa, Krishnan Subramanian
  • Publication number: 20220122637
    Abstract: An apparatus includes a housing, a data storage magazine configured to hold a plurality of data storage devices, and a movable carriage disposed within the housing that is configured to selectively couple the data storage devices to a host device. The data storage magazine includes a set of magazine signal paths configured to provide signals to the plurality of data storage devices. The movable carriage includes a set of carriage signal paths configured to provide signals to the plurality of data storage devices. The apparatus includes a controller configured to power the plurality of data storage devices by selectively routing the signals via the set of magazine signal paths or the set of carriage signal paths.
    Type: Application
    Filed: October 16, 2020
    Publication date: April 21, 2022
    Applicant: Seagate Technology LLC
    Inventors: Riyan Mendonsa, Brett Herdendorf, Krishnan Subramanian, Jon Trantham
  • Patent number: 11308990
    Abstract: An apparatus includes a housing, a data storage magazine configured to hold a plurality of data storage devices, and a movable carriage disposed within the housing that is configured to selectively couple the data storage devices to a host device. The data storage magazine includes a set of magazine signal paths configured to provide signals to the plurality of data storage devices. The movable carriage includes a set of carriage signal paths configured to provide signals to the plurality of data storage devices. The apparatus includes a controller configured to power the plurality of data storage devices by selectively routing the signals via the set of magazine signal paths or the set of carriage signal paths.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: April 19, 2022
    Assignee: Seagate Technology LLC
    Inventors: Riyan Mendonsa, Brett Herdendorf, Krishnan Subramanian, Jon Trantham
  • Publication number: 20220087074
    Abstract: A system includes a data storage drive having a housing with one or more data storage media therein. The housing includes a top cover and a base-deck. The base-deck includes a floor and a frame having a plurality of sides. The data storage drive also includes a printed circuit board assembly (PCBA) mounted on an exterior of one of the plurality of sides of the frame.
    Type: Application
    Filed: September 11, 2020
    Publication date: March 17, 2022
    Inventors: Riyan A. Mendonsa, Brett R. Herdendorf, Iraj Jabbari, Kevin Van Pelt
  • Publication number: 20220068300
    Abstract: A data storage device includes a base, a shaft that extends perpendicular from the base, and a head stack assembly (HSA) having a first end to which a head is coupled and a second end that is movably mounted on the shaft. The data storage device also includes either a first actuator assembly or a second actuator assembly. The first actuator assembly includes a first coil-permanent magnet assembly that rotatably moves the HSA about the shaft, and a second coil-permanent magnet assembly that serves as a first elevator to linearly move the HSA along the shaft. The second actuator assembly includes a third coil-permanent magnet assembly that rotatably moves the HSA about the shaft, and a second elevator that linearly moves the HSA along the shaft and also moves a data storage device ramp in unison with the HSA.
    Type: Application
    Filed: September 13, 2021
    Publication date: March 3, 2022
    Inventors: Brett R. Herdendorf, Riyan A, Mendonsa, Wolfgang Rosner, Jonathan Lewis Kemnitz, Krishnan Subramanian, Kurt LeRoy Erickson
  • Publication number: 20220004012
    Abstract: A beam steering control system includes a beam angle controller, a fast axis controller configured to receive a first command signal from the beam angle controller and configured to control a first axis component of a light pattern, and a slow axis controller arranged within a closed-loop system. The slow axis controller is configured to receive a second command signal from the beam angle controller and control a second axis component of the light pattern.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 6, 2022
    Inventors: Eric Dahlberg, Kevin A. Gomez, Mazbeen J. Palsetia, Riyan A. Mendonsa
  • Publication number: 20210381125
    Abstract: A method for making a monocrystalline structure is disclosed. The method includes depositing a first volume of a material on a substrate to create a first crystal seed and depositing a second volume of the material towards the substrate to nucleate with the first crystal seed to create a first initial epitaxial structure.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 9, 2021
    Inventors: Riyan A. Mendonsa, Martin G. Blaber, Brett R. Herdendorf, Kevin A. Gomez
  • Patent number: 11120834
    Abstract: A data storage device includes a base, a shaft that extends perpendicular from the base, and a head stack assembly (HSA) having a first end to which a head is coupled and a second end that is movably mounted on the shaft. The data storage device also includes either a first actuator assembly or a second actuator assembly. The first actuator assembly includes a first coil-permanent magnet assembly that rotatably moves the HSA about the shaft, and a second coil-permanent magnet assembly that serves as a first elevator to linearly move the HSA along the shaft. The second actuator assembly includes a third coil-permanent magnet assembly that rotatably moves the HSA about the shaft, and a second elevator that linearly moves the HSA along the shaft and also moves a data storage device ramp in unison with the HSA.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: September 14, 2021
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Brett R. Herdendorf, Riyan A. Mendonsa, Wolfgang Rosner, Jonathan Lewis Kemnitz, Krishnan Subramanian, Kurt LeRoy Erickson
  • Patent number: 11074933
    Abstract: A hard disk drive includes a magnetic writer and a magnetic recording medium, which includes data tracks with user data sections positioned between servo wedges. The servo wedges each can include multiple servo sectors. The hard disk drive also includes circuitry programmed to cause the magnetic writer to write user data to the multiple servo sectors in multiple servo wedges.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: July 27, 2021
    Assignee: Seagate Technology LLC
    Inventors: Riyan A. Mendonsa, Mehmet F. Erden, Joshua W. Christensen
  • Publication number: 20210148828
    Abstract: A Surface-Enhanced Raman Spectroscopy (SERS) device to perform accurate label-free long-read DNA sequencing. A Raman sensor has a hot spot defined by plasmonic nanostructures and excited by at least one laser. An immobilized DNA polymerase can be used to pull a DNA template strand to be sequenced through the hot spot.
    Type: Application
    Filed: August 5, 2020
    Publication date: May 20, 2021
    Inventors: Gemma Mendonsa, Eric K. Wadleigh, Vivek Krishnamurthy, Riyan A. Mendonsa, Martin G. Blaber, Krishnan Subramanian
  • Patent number: 10996900
    Abstract: An implementation of a system disclosed herein includes a control board including multiple cartridge slots and hardware for coupling each of the multiple cartridge slots to an associated storage cartridge. The system further includes multiple voice coil motor (VCM) actuator components mounted to the control board, each one of the multiple VCM actuator configured to contribute to an electromagnetic interaction that drives movement of an actuator arm within a storage cartridge coupled to one of the multiple cartridge slots.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: May 4, 2021
    Assignee: SEAGATE TECHNOLOGY LLC
    Inventors: Riyan A. Mendonsa, Brett R. Herdendorf, Jon D. Trantham
  • Publication number: 20210109662
    Abstract: A data storage system can provide low cost and optimized performance with a cartridge housing multiple separate data storage devices and each of the data storage devices being concurrently engaged by a device player. The device player may have a processor configured to analyze mechanical performance of each data storage device and data performance of data resident in each data storage device.
    Type: Application
    Filed: October 8, 2020
    Publication date: April 15, 2021
    Inventors: Riyan A. Mendonsa, Brett R. Herdendorf, Jon D. Trantham, Krishnan Subramanian, John E. Moon, Hemant Mane
  • Publication number: 20210082467
    Abstract: An apparatus with a housing which stores a plurality of data storage magazines, where each data storage magazine includes a plurality of data storage devices. The housing includes a movable carriage, the movable carriage configured to selectively couple a set of data storage devices held by a particular data storage magazine to a host device.
    Type: Application
    Filed: October 13, 2020
    Publication date: March 18, 2021
    Applicant: Seagate Technology LLC
    Inventors: Brett Herdendorf, Riyan Mendonsa, Krishnan Subramanian
  • Publication number: 20210047682
    Abstract: Method of utilizing a nanochannel in combination with at least one magnetic sensor for detecting (e.g., identifying) molecules, cells, and other analytes. Particularly, the method includes bringing molecules, labeled with magnetic nanoparticles (MNPs), in close proximity to the magnetic sensor to identify the molecules via an output signal from the magnetic sensor. The method is particularly suited for identifying nucleotides of DNA and RNA strands.
    Type: Application
    Filed: October 2, 2019
    Publication date: February 18, 2021
    Inventors: Gemma MENDONSA, Riyan A. MENDONSA, Krishnan SUBRAMANIAN
  • Publication number: 20210047681
    Abstract: Methods of DNA sequencing from a template strand via DNA polymerase immobilized on a magnetic sensor. The methods include forming a complementary strand by the DNA polymerase from individual magnetic nanoparticle (MNP)-labeled nucleotides, and obtaining a signal from the magnetic sensor to identify the MNP and thus the nucleotide. The process can be repeated until the entire complementary strand is formed and identified.
    Type: Application
    Filed: October 2, 2019
    Publication date: February 18, 2021
    Inventors: Gemma MENDONSA, Riyan A. MENDONSA, Krishnan SUBRAMANIAN
  • Publication number: 20200272367
    Abstract: An implementation of a system disclosed herein includes a control board including multiple cartridge slots and hardware for coupling each of the multiple cartridge slots to an associated storage cartridge. The system further includes multiple voice coil motor (VCM) actuator components mounted to the control board, each one of the multiple VCM actuator configured to contribute to an electromagnetic interaction that drives movement of an actuator arm within a storage cartridge coupled to one of the multiple cartridge slots.
    Type: Application
    Filed: February 25, 2019
    Publication date: August 27, 2020
    Inventors: Riyan A. Mendonsa, Brett R. Herdendorf, Jon D. Trantham
  • Patent number: 10482908
    Abstract: An apparatus comprises a laser diode configured to generate light during a write operation. A slider comprises a near-field transducer (NFT) and an optical waveguide. The slider is configured for heat-assisted magnetic recording and to communicate the light to the NFT via the waveguide. A writer heater of the slider is configured to receive power during the write operation. A thermal sensor is situated at or near an air bearing surface of the slider. The thermal sensor is configured to produce a sensor signal in response to sensing back-heating from the medium while the NFT generates heat during a write operation. Circuitry, coupled to the thermal sensor, is configured to compare the sensor signal to a threshold and generate an output signal indicative of degradation of NFT performance in response to the sensor signal exceeding the threshold.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: November 19, 2019
    Assignee: Seagate Technology LLC
    Inventors: Riyan Mendonsa, Jon D. Trantham, James Dillon Kiely, Peng Li, Joshua Ward Christensen
  • Patent number: 10366722
    Abstract: An apparatus comprises a laser diode configured to generate modulated light during a write operation in response to receiving modulated current having a mean amplitude that varies or is constant. A slider is configured for heat-assisted magnetic recording and to receive the modulated light. A writer heater of the slider is configured to receive power during the write operation having a magnitude that varies or is constant. A sensor is situated on or within the slider. The sensor is configured to produce a sensor signal representative of output optical power of the laser diode. Measuring circuitry is coupled to the sensor and configured to measure a change in the sensor signal indicative of a laser mode hop during the write operation.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: July 30, 2019
    Assignee: Seagate Technology LLC
    Inventors: Riyan Mendonsa, James Dillon Kiely, Joshua Ward Christensen, Jon D. Trantham, Chad Robert Barry, Tim Rausch