Inventor · disambiguated record
Sei Onishi
Also filed as: ONISHI SEI
13 granted patents·210 citations·filing 1988–2002
92Inventor score
Top patents by PatentIndex Score
13 records- 0190US4841499AMulti-disc playerPIONEER ELECTRONIC CORP·Filed 1988·Granted Jun 20, 1989·48 cites·11 claims
- 0287US5136563AMagazine holder in a CD playerPIONEER ELECTRONIC CORP·Filed 1991·Granted Aug 4, 1992·46 cites·2 claims
- 0387US5042024ADisk reproduction apparatus capable of being disposed in different attitudesPIONEER ELECTRONIC CORP·Filed 1990·Granted Aug 20, 1991·47 cites·17 claims
- 0463US5191569ADisk playback devicePIONEER ELECTRONIC CORP·Filed 1990·Granted Mar 2, 1993·14 cites·19 claims
- 0554US5145039ADamper filled with oilPIONEER ELECTRONIC CORP·Filed 1990·Granted Sep 8, 1992·17 cites·3 claims
- 0653US6556529B1Disk recording and/or reproducing apparatusSONY CORP·Filed 1999·Granted Apr 29, 2003·11 cites·9 claims
- 0748US6736312B2Electronic apparatus, electronic apparatus operation system, authentication system, authentication method, and information storage mediumSONY CORP·Filed 2002·Granted May 18, 2004·3 cites·18 claims
- 0847US5208791ASystem for recovering a CD in a CD player having a magazine containing a plurality of disksPIONEER ELECTRONIC CORP·Filed 1992·Granted May 4, 1993·7 cites·3 claims
- 0945US5164929AStopper for trays in a magazine of a cd playerPIONEER ELECTRONIC CORP·Filed 1990·Granted Nov 17, 1992·6 cites·2 claims
- 1045US5077717ASystem for detecting a cd on a tray in a compact disk player having a magazine containing a plurality of disksPIONEER ELECTRONIC CORP·Filed 1990·Granted Dec 31, 1991·6 cites·5 claims
- 1134US5036407ADevice for detecting tape characteristics and head positionPIONEER ELECTRONIC CORP·Filed 1989·Granted Jul 30, 1991·2 cites·8 claims
- 1234US5034936AMulti-disk disk player having minimally-sized magazine drive motorPIONEER ELECTRONIC CORP·Filed 1990·Granted Jul 23, 1991·2 cites·12 claims
- 1331US5068501ATape end switch detecting device for tape playerPIONEER ELECTRONIC CORP·Filed 1989·Granted Nov 26, 1991·1 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Sei Onishi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →