Inventor
Ryuji Kusumi
Inventor
Tokyo, 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
8,230,453'Door opening and closing mechanism provided at the front of an apparatus body'20127,370,338'Disc type recording/reproduction device'20086,690,528'Recording and reproduction apparatus'20046,563,667'Cassette deck mechanism for mounting/discharging different size cassettes using a pivoted arm'20035,433,396'Recording and/or reproducing apparatus having a slider means for braking reel-driving mechanisms'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2012Patents assigned to SONY CORP (5)· patent assignee history
1995Based in Kanagawa, JP· patent location history
2003–2012Based in Tokyo, JP· patent location history
2012Patents assigned to KUSUMI RYUJI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 5 | 1995–2012 |
| KUSUMI RYUJIself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 4 | 2003–2012 |
| Kanagawa, JP | 1 | 1995 |