Inventor
Tatsunori Fujiwara
Inventor
Tokyo, JP
Overview
Patents· 31 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 transducer86%
G06FElectric digital data processing3%
G08BSignalling systems, e.g. personal calling systems3%
H01LSemiconductor devices3%
H10NElectric solid-state devices not otherwise provided for3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
11,037,415Tactile presentation device20218,587,894'Disc device'20138,381,605'Disc device'20138,272,003'Disc apparatus'20128,127,319'Disk reproducing apparatus implementing detection of disk insertion condition for loading and ejection operations'20128,117,629'Optical disc device'20127,406,006'Disk apparatus'20086,842,907'Cartridge transfer device for a disk loading mechanism'20056,760,914'Disk reproducing apparatus'20046,757,234'Disk device'20046,751,179'Disk unit with rollers'20046,584,055'Disk device for disks having different sizes'20036,538,970'Disk device for loading and ejecting disks'20036,469,972'Disk device for disks of different sizes'20026,445,666'Disk device'20026,434,102'Disk device'20026,430,145'Disk supporting device'20026,414,929'Disk device with improved loading mechanism'20026,359,854'Disk reproducing apparatus'20026,081,494'Disc recording and reproducing apparatus having a drive mechanism for loading and ejecting a disc cartridge'20006,078,553'Disc cartridge loading and unloading apparatus with shutter opening structure'20005,974,017'Disc cartridge loading and unloading apparatus'19995,953,307'Disk reproducing apparatus for storing a plurality of cartridges'19995,898,658'Disc cartridge loading and unloading apparatus with a holder and holder arm'19995,881,040'Disc device with slider contact prevention mechanism'19995,835,474'Disk device configured to prevent contact between the disk and the disk drive motor'19985,831,965'Cartridge changing device'19985,790,507'Cartridge changing device'19985,748,406'Rotational driving apparatus for disks having a magnet disposed on a motor mounting base surface to absorb radial deflections'19985,663,850'Cartridge handling apparatus'19975,587,989'Cartridge changing apparatus including a pair of base carriers and a pair of slide carriers'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2013Patents assigned to MITSUBISHI ELECTRIC CORP (30)· patent assignee history
1996–2005Based in Hyogo, JP· patent location history
1997–2013Based in Tokyo, JP· patent location history
2012–2013Patents assigned to AWAKURA YOSHIFUMI (5)· patent assignee history
2012–2013Patents assigned to EGUCHI TAKAHARU (5)· patent assignee history
2012–2013Patents assigned to FUJIWARA TATSUNORI (5)· patent assignee history
2012–2013Patents assigned to ONISHI AKIHITO (3)· patent assignee history
2021Based in Kiyosu, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MITSUBISHI ELECTRIC CORP | 30 | 1996–2013 |
| AWAKURA YOSHIFUMI | 5 | 2012–2013 |
| EGUCHI TAKAHARU | 5 | 2012–2013 |
| FUJIWARA TATSUNORIself | 5 | 2012–2013 |
| ONISHI AKIHITO | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 23 | 1997–2013 |
| Hyogo, JP | 7 | 1996–2005 |
| Kiyosu, JP | 1 | 2021 |