Inventor · disambiguated record
Masamichi Kowaka
Also filed as: FUJIKAWA HISAO · KOWAKA MASAMICHI
2 granted patents·27 citations·filing 1974–1978
61Inventor score
Technology areasC22C
Files withSUMITOMO METAL IND2
Top patents by PatentIndex Score
2 records- 0175US4035182ANi-Cr-Fe alloy having an improved resistance to stress corrosion crackingSUMITOMO METAL IND·Filed 1974·Granted Jul 12, 1977·18 cites·4 claims
- 0249US4201574ALow carbon Ni-Cr austenitic steel having an improved resistance to stress corrosion crackingSUMITOMO METAL IND·Filed 1978·Granted May 6, 1980·9 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →