Inventor · disambiguated record
Masako Usui
Also filed as: USUI MASAKO
1 granted patent·26 citations·filing 1991–1991
42Inventor score
Technology areasC07C
Files withMITSUBISHI RAYON CO1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →