Inventor · disambiguated record
Ryouji Nakajima
Also filed as: NAKAJIMA RYOUJI
2 granted patents·44 citations·filing 2000–2002
63Inventor score
Top patents by PatentIndex Score
2 records- 0161US7543755B2Electronic key, electronic locking apparatus, electronic security system, and key administering serverPANASONIC ELEC WORKS CO LTD·Filed 2002·Granted Jun 9, 2009·11 cites·23 claims
- 0260US6669651B1Non-invasive brain function examinationMATSUSHITA ELECTRIC WORKS LTD·Filed 2000·Granted Dec 30, 2003·33 cites·26 claims
Join the waitlist — get patent alerts
Get an alert when Ryouji Nakajima 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 →