Inventor · disambiguated record
Seigi Ito
Also filed as: ITO SEIGI
3 granted patents·91 citations·filing 1997–2000
75Inventor score
Technology areasG11B
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD3
Top patents by PatentIndex Score
3 records- 0189US6556533B1Optical pickup deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Apr 29, 2003·35 cites·28 claims
- 0280US6266314B1Optical pickup deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 24, 2001·33 cites·48 claims
- 0372US6256283B1Optical pickup having a common light beam path for passing either of a plurality of kinds of light beamsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 3, 2001·23 cites·40 claims
Join the waitlist — get patent alerts
Get an alert when Seigi Ito 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 →