Inventor
Toshio Ohji
Inventor
Mito, JP
Overview
Patents· 5 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 transducer43%
H01FMagnets43%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
5,412,366'Rotary transformer'19955,363,263'Coil assembly for rotary magnetic head apparatus'19945,126,906'Rotary magnetic head device with rotary transformer having high coupling coefficient'19924,882,833'Method and apparatus for mounting coils inside a hollow cylindrical article'19894,835,645'Rotary magnetic head assembly'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1995Patents assigned to HITACHI LTD (5)· patent assignee history
1989–1995Based in Mito, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1989–1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mito, JP | 5 | 1989–1995 |