Inventor
Charles Chen
Inventor
Fremont, CA, US
Overview
Patents· 15 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 transducer52%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%
Y10TTechnical subjects covered by former us classification16%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids8%
H01FMagnets8%
PatentTitleYear
10,010,891Magnetic filter20189,901,931'Magnetic filter'20189,734,857'Stack including a magnetic zero layer'20179,190,095'Interlayer comprising chromium-containing alloy'20159,093,101'Stack including a magnetic zero layer'20158,696,874'Seed layer comprising FCC structure'20148,685,547'Magnetic recording media with enhanced writability and thermal stability'20148,110,299'Granular perpendicular media interlayer for a storage device'20128,025,993'Recording media interlayer structure'20117,504,166'Magnetic recording media having five element alloy deposited using pulsed direct current sputtering'20097,393,601'Weak antiferromagnetically coupled media with a five element magnetic alloy and a low moment stabilizing layer'20086,878,460'Thin-film magnetic recording media with dual intermediate layer structure for increased coercivity'20056,730,420'Magnetic thin film recording media having extremely low noise and high thermal stability'20046,500,567'Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the same'20026,150,015'Ultra-thin nucleation layer for magnetic thin film media and the method for manufacturing the same'2000Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2000–2004Patents assigned to KOMAG INC (3)· patent assignee history
2000–2009Based in Milpitas, CA, US· patent location history
2005–2017Patents assigned to SEAGATE TECHNOLOGY LLC (10)· patent assignee history
2011–2017Based in Fremont, CA, US· patent location history
2012–2018Patents assigned to CHEN CHARLES (4)· patent assignee history
2012–2015Patents assigned to HAILU ABEBE (4)· patent assignee history
2012–2015Patents assigned to WANG SHOUTAO (4)· patent assignee history
2018Based in Taipei, TW· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEAGATE TECHNOLOGY LLC | 10 | 2005–2017 |
| CHEN CHARLESself | 4 | 2012–2018 |
| HAILU ABEBE | 4 | 2012–2015 |
| WANG SHOUTAO | 4 | 2012–2015 |
| KOMAG INC | 3 | 2000–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fremont, California, US | 7 | 2011–2017 |
| Milpitas, California, US | 6 | 2000–2009 |
| Taipei, TW | 2 | 2018 |