Assignee

JH CORP

JP·2 granted patents·81 citations·filing 1996–2002

Technology mixC21D1 C23C1 F27B1 F27D1 Y10S1

Top patents by PatentIndex Score

2 records

0177US5702540AVacuum carburizing method and device, and carburized productsJH CORP·Filed 1996·Granted Dec 30, 1997·62 cites·8 claims
0269US6814573B2Vacuum heat-treatment apparatusJH CORP·Filed 2002·Granted Nov 9, 2004·19 cites·11 claims

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