Inventor
Isamu Tsuchiya
Inventor
Oume, JP
Overview
Patents· 4 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 transducer75%
H01JElectric discharge tubes or discharge lamps25%
PatentTitleYear
4,694,361'Data transfer apparatus having a simplified clamp mechanism for holding a disklike record medium in place'19874,689,782'Recording disk centering and clamping apparatus'19874,665,454'Data transfer apparatus for use with a magnetic disk cartridge'19874,207,494'Microwave tubes provided with permanent magnet type magnetic circuits'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980Patents assigned to JAPAN BROADCASTING CORP (1)· patent assignee history
1980Patents assigned to NIPPON ELECTRIC CO (1)· patent assignee history
1980Based in Tokyo, JP· patent location history
1987Patents assigned to TEAC CORP (3)· patent assignee history
1987Based in Oume, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEAC CORP | 3 | 1987 |
| JAPAN BROADCASTING CORP | 1 | 1980 |
| NIPPON ELECTRIC CO | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Oume, JP | 3 | 1987 |
| Tokyo, JP | 1 | 1980 |