Inventor
Fumiya Omi
Inventor
Numazu, 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 transducer17%
H01FMagnets17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
Y10TTechnical subjects covered by former us classification17%
C01GCompounds containing metals not covered by subclasses c01d or c01f9%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds9%
B82YSpecific uses or applications of nanostructures4%
C01BNon-metallic elements4%
C04BLime, magnesia4%
PatentTitleYear
4,788,095'Metal oxide magnetic substance and a magnetic film consisting thereof and their uses'19884,690,861'Magneto optical recording medium'19874,670,323'Magneto-optic recording medium having a metal oxide recording layer'19874,670,322'Metal oxide magnetic substance and a magnetic film consisting thereof and their uses'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1988Patents assigned to RICOH KK (4)· patent assignee history
1987–1988Based in Numazu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 4 | 1987–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Numazu, JP | 4 | 1987–1988 |