JH Corporation
Patent Applications and Registrations
Patent applications and USPTO patent grants for JH Corporation.The latest application filed is for "vacuum heat-treatment apparatus".
- JH Corporation - Aichi JP
- JH CORPORATION - Niwa-gun JP
- JH Corporation - JP JP
| Patent | Date |
|---|---|
| Vacuum heat-treatment apparatus Grant 6,814,573 - Hiramoto November 9, 2 | 2004-11-09 |
| Vacuum heat-treatment apparatus App 20030113186 - Hiramoto, Noboru | 2003-06-19 |
| Vacuum carburizing method and device, and carburized products Grant 5,702,540 - Kubota December 30, 1 | 1997-12-30 |
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