Inventor · disambiguated record

Yukio Niwa

Also filed as: NIWA YUKIO

1 granted patent·6 citations·filing 1981–1981

28Inventor score

Technology areasF27D

Files withDAIDO STEEL CO LTD1

Top patents by PatentIndex Score

1 record

0147US4395280APreheating process for steel-making materialsDAIDO STEEL CO LTD·Filed 1981·Granted Jul 26, 1983·6 cites·3 claims

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