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Inventor
HAYAISHI MASAKAZU
JP
3 patents
⚠️ This page may combine multiple inventors who share the name “HAYAISHI MASAKAZU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAIDO STEEL CO LTD
2 patents
US6773661B2
Aug 10, 2004
Free-cutting steel
DAIDO STEEL CO LTD
9 citations
69
US6649125B2
Nov 18, 2003
Free-cutting steel
DAIDO STEEL CO LTD
3 citations
58
DIADO STEEL CO LTD
1 patent
US6764645B2
Jul 20, 2004
Steel for machine structural use having good machinability and chip-breakability
DIADO STEEL CO LTD
8 citations
69