Inventor · disambiguated record
Umekawa Osamu
Also filed as: OSAMU UMEKAWA
1 granted patent·1 citations·filing 1978–1978
16Inventor score
Technology areasC07C
Files withKATAYAMA CHEMICAL WORKS CO1
Top patents by PatentIndex Score
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →