Inventor
Yi Zhao Yao
Inventor
Singapore, SG
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer39%
B08BCleaning in general17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
B25JManipulators6%
B63BShips or other waterborne vessels6%
E02BHydraulic engineering6%
G01RMeasuring electric variables6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
10,933,449Magnetically controlled particle abrasion method for biofouling removal20219,082,454'Automatically removing contaminants from a manufactured part'20158,363,358'Pivot-carriage having a center-bore with an integrated bearing-spacer portion'20138,179,632'Apparatus and method for reducing particle accumulation in a hard disk drive'20128,149,535'Magnetic and encapsulation contamination control for disk drives'20128,102,619'Airborne particle trap within an enclosure containing sensitive equipment'20127,830,636'Spoiler and method for using the spoiler having a perforation there through for reducing particle accumulation in a hard disk drive'20107,729,082'Application of PFPES for HDD screw lubricant'20107,597,012'System and method for using a spray/liquid particle count (LPC) to measure particulate contamination'20097,271,598'Conductor coil defect identifier'20077,239,121'Quantative extraction of micro particles from metallic disk spacer rings'2007Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2007–2010Patents assigned to HITACHI GLOBAL STORAGE TECH (5)· patent assignee history
2007–2015Based in Singapore, SG· patent location history
2012–2015Patents assigned to YAO YI ZHAO (5)· patent assignee history
2012–2013Patents assigned to LIU SHAOYONG (4)· patent assignee history
2012Patents assigned to HITACHI GLOBAL STORAGE TECH NL (3)· patent assignee history
2013–2015Patents assigned to HGST Netherlands BV (2)· patent assignee history
2021Based in Evanston, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI GLOBAL STORAGE TECH | 5 | 2007–2010 |
| YAO YI ZHAOself | 5 | 2012–2015 |
| LIU SHAOYONG | 4 | 2012–2013 |
| HITACHI GLOBAL STORAGE TECH NL | 3 | 2012 |
| HGST Netherlands BV | 2 | 2013–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Singapore, SG | 10 | 2007–2015 |
| Evanston, Illinois, US | 1 | 2021 |