Inventor
Taro Ohmura
Inventor
Miyagi, JP
Overview
Patents· 4 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 transducer44%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
Y10TTechnical subjects covered by former us classification22%
PatentTitleYear
6,136,410'Magnetic recording medium'20005,945,156'Method of manufacturing magnetic recording medium'19995,786,093'Magnetic recording medium having a backcoat composition with low chloride ion and sulfate ion extractables'19985,702,757'Process for producing magnetic recording medium'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2000Patents assigned to SONY CORP (4)· patent assignee history
1997–2000Based in Miyagi, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 4 | 1997–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Miyagi, JP | 4 | 1997–2000 |