Inventor
Osamu Harakawa
Inventor
Hong Kong, CN
Overview
Patents· 6 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 transducer45%
Y10TTechnical subjects covered by former us classification18%
B23KSoldering or unsoldering9%
G01BMeasuring length, thickness or similar linear dimensions9%
G01RMeasuring electric variables9%
G02BOptical elements, systems or apparatus9%
PatentTitleYear
10,061,084Coupling structure of optical components and coupling method of the same20189,437,226'Method of testing thermally-assisted magnetic head'20169,163,939'Method of manufacturing thermally-assisted magnetic head and alignment apparatus thereof'20158,902,546'Head stack assembly with light shielding structure, and disk drive unit with the same'20148,811,130'Method of manufacturing thermally-assisted magnetic head'20147,026,823'Magnetic head smear detecting method and device'2006Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2006Patents assigned to TDK CORP (1)· patent assignee history
2006Based in Tokyo, JP· patent location history
2014–2018Patents assigned to SAE MAGNETICS HK LTD (5)· patent assignee history
2014–2018Based in Hong Kong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SAE MAGNETICS HK LTD | 5 | 2014–2018 |
| TDK CORP | 1 | 2006 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hong Kong, CN | 5 | 2014–2018 |
| Tokyo, JP | 1 | 2006 |