Inventor
Masanori Kochi
Inventor
Katsuta, 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 transducer100%
PatentTitleYear
5,661,622'Rotary magnetic head cylinder device for reduced vibration and proper head/type alignment'19975,193,045'Helical scan type magnetic recording and/or reproducing apparatus having combination type video head and flying erase head for low vibration'19934,833,562'Rotary magnetic head cylinder device for suppressing vibrations ofa magnetic tape'19894,823,218'Balance compensated rotary magnetic head device'19894,725,910'Rotary magnetic head assembly'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1997Patents assigned to HITACHI LTD (5)· patent assignee history
1988–1989Patents assigned to HITACHI VIDEO ENG (2)· patent assignee history
1988–1993Based in Katsuta, JP· patent location history
1997Based in Kure, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 5 | 1988–1997 |
| HITACHI VIDEO ENG | 2 | 1988–1989 |
Locations
| Location | Patents | Span |
|---|---|---|
| Katsuta, JP | 4 | 1988–1993 |
| Kure, JP | 1 | 1997 |