Inventor
Akira Mukaizaka
Inventor
Hiroshima, 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 transducer40%
H01FMagnets30%
B22FWorking metallic powder10%
C01GCompounds containing metals not covered by subclasses c01d or c01f10%
C22CAlloys10%
PatentTitleYear
4,773,931'Spindle ferromagnetic alloy particles'19884,514,216'Acicular ferromagnetic alloy particles for magnetic recording and process for producing the same'19854,437,881'Acicular ferromagnetic alloy particles and process for producing said particles'19844,406,694'Process for producing acicular ferromagnetic alloy particles and acicular ferromagnetic alloy particles obtained by the said process'19834,318,735'Process for preparing magnetic particles with metallic region therein, and magnetic particles prepared by the process'19824,136,049'Process for treating acicular magnetite containing Co to stabilize the magnetic properties thereof'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1988Patents assigned to TODA KOGYO CORP (6)· patent assignee history
1979–1988Based in Hiroshima, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TODA KOGYO CORP | 6 | 1979–1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hiroshima, JP | 6 | 1979–1988 |