Inventor
Toshio Nakamoto
Inventor
Hitachinaka, 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 transducer45%
H04NPictorial communication, e.g. television36%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
7,263,272'Digital/analog compatible video tape recorder'20076,798,979'Digital/analog compatible video tape recorder'20046,272,285'Digital/analog compatible video tape recorder'20015,978,546'Digital/analog compatible video tape recorder'19995,359,473'Tracking device'19945,298,841'Apparatus for controlling the speed of a moving object'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2007Patents assigned to HITACHI LTD (6)· patent assignee history
1994Based in Ibaraki, JP· patent location history
1994Based in Katsuta, JP· patent location history
1999–2007Based in Hitachinaka, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HITACHI LTD | 6 | 1994–2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hitachinaka, JP | 4 | 1999–2007 |
| Ibaraki, JP | 1 | 1994 |
| Katsuta, JP | 1 | 1994 |