Inventor
Toru Shimozawa
Inventor
Nagano, JP
Overview
11→
Patents
1987–1992
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 11 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 transducer33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
5,080,971'Magnetic recording medium'19925,069,967'Magnetic recording medium'19914,889,767'Magnetic recording medium'19894,880,687'Magnetic recording medium'19894,810,555'Magnetic recording medium'19894,772,522'Magnetic recording medium'19884,759,966'Coating type perpendicular magnetic recording medium for digital recording'19884,746,558'Magnetic recording medium'19884,726,990'Magnetic recording medium'19884,720,411'Magnetic recording medium'19884,702,959'Magnetic recording medium'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1992Patents assigned to TDK CORP (11)· patent assignee history
1987–1988Based in Saku, JP· patent location history
1988–1992Based in Nagano, JP· patent location history
1989Based in Tokyo, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 11 | 1987–1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagano, JP | 8 | 1988–1992 |
| Saku, JP | 2 | 1987–1988 |
| Tokyo, JP | 1 | 1989 |