Inventor
Takashi Ohgi
Inventor
Miyagi, JP
Overview
Patents· 11 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 transducer85%
E04HBuildings or like structures for particular purposes8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
8,709,569'Optical recording medium, and method for producing optical recording medium'20147,533,397'Disc cartridge'20097,526,783'Disk cartridge'20097,512,961'Disk cartridge, and recording and/or reproducing device'20097,506,348'Disc cartridge, and disc recording and/or reproducing device using the same'20097,484,232'Disc cartridge, and method of installing shutter to same'20097,383,559'Disc cartridge of reduced size'20087,343,612'Disc cartridge'20086,005,754'Recording/reproducing cassette equipped with identification substrate'19995,657,936'Tape reel position restricting assembly for tape cassette'19975,638,239'Tape cassette having a plurality of detection holes for use with a recording/reproducing device having a dection pin located in one of a plurality of positions'1997Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1997–2014Patents assigned to SONY CORP (11)· patent assignee history
1997–2014Based in Miyagi, JP· patent location history
2014Patents assigned to DEXERIALS CORP (1)· patent assignee history
2014Patents assigned to KAWASAKI HIROYUKI (1)· patent assignee history
2014Patents assigned to KIKUCHI MINORU (1)· patent assignee history
2014Patents assigned to NAKATA YOSHIAKI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 11 | 1997–2014 |
| DEXERIALS CORP | 1 | 2014 |
| KAWASAKI HIROYUKI | 1 | 2014 |
| KIKUCHI MINORU | 1 | 2014 |
| NAKATA YOSHIAKI | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Miyagi, JP | 11 | 1997–2014 |