Inventor · disambiguated record

Takeharu Ishikawa

Also filed as: ISHIKAWA TAKEHARU

2 granted patents·30 citations·filing 1983–2021

61Inventor score

Technology areasB23K

Files withKAWASAKI STEEL CO1 ROKI CO LTD1

Top patents by PatentIndex Score

2 records

0172USD980411SFace maskROKI CO LTD·Filed 2021·Granted Mar 7, 2023·8 cites·1 claims
0269US4437906AFlux composition for electro-slag over-lay welding of a cylindrical vessel with a strip electrodeKAWASAKI STEEL CO·Filed 1983·Granted Mar 20, 1984·22 cites·2 claims

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Takeharu Ishikawa — Patent Inventor | PatentIndex