Inventor
Nobuyoshi Okumura
Inventor
Nagaokakyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television50%
G11BInformation storage based on relative movement between record carrier and transducer43%
H04BTransmission7%
PatentTitleYear
8,458,454'Conditional access apparatus'20138,112,780'Digital broadcast receiving apparatus'20127,369,746'Device for recording digital video and audio signals in designated areas of a recording medium in a predetermined track format'20086,339,670'Digital VTR'20026,085,022'Digital VTR for recording special replay video data in track areas designated for digital video and digital audio'20005,960,150'Digital VTR'19995,684,915'Digital VTR for recording special replay data with appended error correction codes'19974,823,198'Video recording and reproducing device and method including video signal record restart during rewind/playback operation after non-detection of pilot signal in video track'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–2013Patents assigned to MITSUBISHI ELECTRIC CORP (8)· patent assignee history
1989Based in Kyoto, JP· patent location history
1997–2008Based in Nagaokakyo, JP· patent location history
2012–2013Patents assigned to OKUMURA NOBUYOSHI (2)· patent assignee history
2012Patents assigned to ISHIDA MASAYUKI (1)· patent assignee history
2012–2013Based in Tokyo, JP· patent location history
2013Patents assigned to ABUKAWA MASAHIRO (1)· patent assignee history
2013Patents assigned to MURAYAMA SHU (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 8 | 1989–2013 |
| OKUMURA NOBUYOSHIself | 2 | 2012–2013 |
| ABUKAWA MASAHIRO | 1 | 2013 |
| ISHIDA MASAYUKI | 1 | 2012 |
| MURAYAMA SHU | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nagaokakyo, JP | 5 | 1997–2008 |
| Tokyo, JP | 2 | 2012–2013 |
| Kyoto, JP | 1 | 1989 |