Inventor
Keisuke Tejima
Inventor
Tokyo, JP
Overview
Patents· 37 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC14primary
LOC1497%
G11BInformation storage based on relative movement between record carrier and transducer3%
PatentTitleYear
D0711925'Disc player'2014D0681577'Disc player'2013D0619148'Disc player'2010D0597103'Disc player'2009D0585858'Combined disc recorder and hard disc drive'2009D0585859'Combined disc recorder and hard disk drive'2009D0582868'Combined disc recorder and hard disc drive'2008D0580385'Disc player'2008D0578505'Amplifier'2008D0570330'Amplifier'2008D0569840'Amplifier'2008D0564477'Disc player'2008D0564493'Combined disc recorder and hard disc drive'2008D0563942'Combined disc recorder and hard disc drive'2008D0519092'Disc player'2006D0513242'Disc recorder'2005D0503693'Disc recorder'2005D0500018'Disc player'2004D0498230'Speaker box'2004D0497895'Disc player'2004D0475357'Optical disc player'2003D0475036'Combined recorder and disc player'2003D0459715'Receiver'2002D0437307'Speaker box'2001D0435034'Combined amplifier and radio receiver'2000D0434748'Combined disc player and tape player'2000D0426540'Stand'20006,057,995'Disc cartridge with aperture for access to disc provided with shutter arranged for minimizing overall size of cartridge'2000D0423009'Combined disc recorder and player'2000D0417451'Disc recorder combined with radio receiver and disc player'1999D0416258'Speaker box'1999D0371363'Radio receiver'1996D0347432'Tape player'1994D0316866'Magnetic still camera'1991D0311014'Still video camera'1990D0307909'Front panel for a compact disc player'1990D0305652'Portable radiotelephone'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2014Patents assigned to SONY CORP (35)· patent assignee history
1990Patents assigned to FORD MOTOR CO (1)· patent assignee history
1990–2014Based in Tokyo, JP· patent location history
1990Based in Nerima-ku, JP· patent location history
2013–2014Patents assigned to TEJIMA KEISUKE (2)· patent assignee history
2013–2014Patents assigned to UCHIYAMA JUN (2)· patent assignee history
2014Patents assigned to HONG ZHONGSHENG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SONY CORP | 35 | 1990–2014 |
| TEJIMA KEISUKEself | 2 | 2013–2014 |
| UCHIYAMA JUN | 2 | 2013–2014 |
| FORD MOTOR CO | 1 | 1990 |
| HONG ZHONGSHENG | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 36 | 1990–2014 |
| Nerima-ku, JP | 1 | 1990 |