Inventor
Seiro Fujii
Inventor
Saitama, JP
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 transducer67%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
PatentTitleYear
5,417,182'Apparatus for manufacturing a substrate means for an optical recording disk'19955,360,652'Optical recording disc'19945,292,550'Manufacturing method of substrate means for optical recording disk and apparatus therefor'19945,217,850'Optical recording disk and manufacturing method thereof'19935,087,340'Method of making magneto-optical recording disk'19924,775,603'Optical-magnetic recording medium'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1995Patents assigned to PIONEER ELECTRONIC CORP (6)· patent assignee history
1988–1995Based in Saitama, JP· patent location history
1994Based in Tsurugashima, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PIONEER ELECTRONIC CORP | 6 | 1988–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saitama, JP | 5 | 1988–1995 |
| Tsurugashima, JP | 1 | 1994 |