Inventor · disambiguated record
Eiji Matsumasa
Also filed as: MATSUMASA EIJI
2 granted patents·143 citations·filing 1996–1997
69Inventor score
Technology areasH02J
Files withHITACHI MAXELL2
Top patents by PatentIndex Score
2 recordsIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →