YiChao Ma

Person

Singapore, SG

People

Patents Grantslast 30 patents

Information Patent Grant
Data storage drive with a vertically translatable actuator arm
- Patent number 11,727,957
- Issue date Aug 15, 2023
- Seagate Technology LLC
- YiChao Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Ball bearing cartridge for linear actuator
- Patent number 11,488,624
- Issue date Nov 1, 2022
- Seagate Technology LLC
- Xiong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Zero skew with ultrasonic piezoelectric swing suspension
- Patent number 11,468,909
- Issue date Oct 11, 2022
- Seagate Technology LLC
- Cho Kok Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with multiple actuators on a pivot axis
- Patent number 11,443,763
- Issue date Sep 13, 2022
- Seagate Technology LLC
- Yichao Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Triple magnet linear actuator motor
- Patent number 11,430,472
- Issue date Aug 30, 2022
- Seagate Technology LLC
- YiChao Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Load/unload ramps with channels
- Patent number 11,341,993
- Issue date May 24, 2022
- Seagate Technology LLC
- YiChao Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Devices with a snap-fit engagement and related methods
- Patent number 11,031,048
- Issue date Jun 8, 2021
- Seagate Technology LLC
- YiChao Ma
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Air turbulence control for actuators
- Patent number 10,998,009
- Issue date May 4, 2021
- Seagate Technology LLC
- Yichao Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Slit full disk shroud
- Patent number 10,510,378
- Issue date Dec 17, 2019
- Seagate Technology LLC
- YiChao Ma
- G11 - INFORMATION STORAGE
Information Patent Grant
Helium-filled storage container
- Patent number 10,490,232
- Issue date Nov 26, 2019
- Seagate Technology LLC
- Christopher M Woldemar
- G11 - INFORMATION STORAGE
Information Patent Grant
Free-state modal frequency response testing
- Patent number 7,924,020
- Issue date Apr 12, 2011
- Seagate Technology LLC
- Yuqi Wang
- G01 - MEASURING TESTING
Information Patent Grant
Internal disc drive filter assembly
- Patent number 7,848,051
- Issue date Dec 7, 2010
- Seagate Technology LLC
- Yiren Hong
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
LATCH FOR ZERO/FIXED SKEW DATA STORAGE DEVICE
- Publication number 20240420734
- Publication date Dec 19, 2024
- SEAGATE TECHNOLOGY LLC
- YiChao Ma
- G11 - INFORMATION STORAGE
Information Patent Application
HARD DISK DRIVES WITH PIEZOELECTRIC ULTRASONIC MOTOR
- Publication number 20240412762
- Publication date Dec 12, 2024
- SEAGATE TECHNOLOGY LLC
- YiChao Ma
- G11 - INFORMATION STORAGE
Information Patent Application
SINGLE ARM STEPPER ELEVATION SYSTEM
- Publication number 20240221780
- Publication date Jul 4, 2024
- SEAGATE TECHNOLOGY LLC
- YiChao Ma
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE WITH MULTIPLE ACTUATORS ON A PIVOT AXIS
- Publication number 20220406332
- Publication date Dec 22, 2022
- SEAGATE TECHNOLOGY LLC
- Yichao Ma
- G11 - INFORMATION STORAGE
Information Patent Application
LOAD/UNLOAD RAMPS WITH CHANNELS
- Publication number 20210295871
- Publication date Sep 23, 2021
- SEAGATE TECHNOLOGY LLC
- YiChao Ma
- G11 - INFORMATION STORAGE
Information Patent Application
AIR TURBULENCE CONTROL FOR ACTUATORS
- Publication number 20210134331
- Publication date May 6, 2021
- Seagate Technology LLC
- Yichao Ma
- G11 - INFORMATION STORAGE
Information Patent Application
HELIUM-FILLED STORAGE CONTAINER
- Publication number 20190341080
- Publication date Nov 7, 2019
- SEAGATE TECHNOLOGY LLC
- Christopher M. Woldemar
- G11 - INFORMATION STORAGE
Information Patent Application
FREE-STATE MODAL FREQUENCY RESPONSE TESTING
- Publication number 20090076752
- Publication date Mar 19, 2009
- Seagate Technology LLC
- Yuqi Wang
- G01 - MEASURING TESTING
Information Patent Application
INTERNAL DISC DRIVE FILTER ASSEMBLY
- Publication number 20090015964
- Publication date Jan 15, 2009
- Seagate Technology LLC
- Yiren Hong
- G11 - INFORMATION STORAGE

Person

Patents Grantslast 30 patents

Data storage drive with a vertically translatable actuator arm

Ball bearing cartridge for linear actuator

Zero skew with ultrasonic piezoelectric swing suspension

Disk drive with multiple actuators on a pivot axis

Triple magnet linear actuator motor

Load/unload ramps with channels

Devices with a snap-fit engagement and related methods

Air turbulence control for actuators

Slit full disk shroud

Helium-filled storage container

Free-state modal frequency response testing

Internal disc drive filter assembly

Patents Applicationslast 30 patents

LATCH FOR ZERO/FIXED SKEW DATA STORAGE DEVICE

HARD DISK DRIVES WITH PIEZOELECTRIC ULTRASONIC MOTOR

SINGLE ARM STEPPER ELEVATION SYSTEM

DISK DRIVE WITH MULTIPLE ACTUATORS ON A PIVOT AXIS

LOAD/UNLOAD RAMPS WITH CHANNELS

AIR TURBULENCE CONTROL FOR ACTUATORS

HELIUM-FILLED STORAGE CONTAINER

FREE-STATE MODAL FREQUENCY RESPONSE TESTING

INTERNAL DISC DRIVE FILTER ASSEMBLY