Inventor
Noriyuki Shige
Inventor
Odawara, JP
Overview
Patents· 9 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 transducer40%
Y10TTechnical subjects covered by former us classification27%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light13%
PatentTitleYear
6,627,253'Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus'20036,335,103'Magnetic recording media for longitudinal recording'20026,010,794'Magnetic recording media for longitudinal recording'20005,930,091'Magnetic disk having CSS area with concave and convex portions and apparatus containing the same'19995,879,569'Magnetic disk and method of and apparatus for manufacturing magnetic disk'19995,665,478'Magnetic recording media for longitudinal recording'19975,143,794'Magnetic recording media for longitudinal recording, process for producing the same and magnetic memory apparatus'19924,315,226'Semiconductor laser device'19824,176,325'Semiconductor laser device'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–2003Patents assigned to HITACHI LTD (8)· patent assignee history
1979Based in Hachioji, JP· patent location history
1982Based in Takasaki, JP· patent location history
1992–2003Based in Odawara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 8 | 1979–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Odawara, JP | 7 | 1992–2003 |
| Takasaki, JP | 1 | 1982 |
| Hachioji, JP | 1 | 1979 |