Dokuritsu Gyousei Houjin Sangyo Gijutsu Sougo Kenkyusho
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dokuritsu Gyousei Houjin Sangyo Gijutsu Sougo Kenkyusho.The latest application filed is for "free-cutting tool steel".
- Dokuritsu Gyousei Houjin Sangyo Gijutsu Sougo Kenkyusho - Tokyo JP
| Patent | Date |
|---|---|
| Free-cutting tool steel Grant 6,761,853 - Ishida , et al. July 13, 2 | 2004-07-13 |
| Free-cutting Ni-base heat-resistant alloy Grant 6,752,883 - Ishida , et al. June 22, 2 | 2004-06-22 |
| Corrosion resistant steel Grant 6,667,005 - Ishida , et al. December 23, 2 | 2003-12-23 |
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