Inventor
Kiyoto Fukushima
Inventor
Saku, 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 transducer39%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests26%
Y10TTechnical subjects covered by former us classification26%
B24BMachines, devices, or processes for grinding or polishing4%
B24DTools for grinding, buffing or sharpening4%
PatentTitleYear
6,126,990'Method for producing magnetic recording medium'20006,127,030'Magnetic recording medium'20006,117,484'Method for producing magnetic recording medium'20005,721,010'Method for production of magnetic recording medium'19985,567,502'Magnetic recording medium having a magnetic layer containing abrasive particles'19965,510,179'Magnetic recording medium having at least two layers wherein the uppermost layer contains alumina particles which contain specified oxides'19965,110,659'Lapping tape'19924,659,626'Magnetic recording medium'19874,578,314'Magnetic recording medium and method for manufacture thereof'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2000Patents assigned to TDK CORP (9)· patent assignee history
1986–1998Based in Saku, JP· patent location history
1996–2000Based in Nagano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TDK CORP | 9 | 1986–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Saku, JP | 5 | 1986–1998 |
| Nagano, JP | 4 | 1996–2000 |