Inventor · disambiguated record
Kazuhisa Kawazumi
Also filed as: KAWAZUMI KAZUHISA
1 granted patent·25 citations·filing 1978–1978
42Inventor score
Technology areasC04B
Files withNIPPON CARBON CO LTD1
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1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →