Hamamoto; Takahiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamamoto; Takahiro.The latest application filed is for "threaded joint for steel pipes".
- Hamamoto; Takahiro - Chuo-ku JP
- Hamamoto; Takahiro - Wakayama JP
- Hamamoto; Takahiro - Wakayama-shi JP
- Hamamoto; Takahiro - Osaka JP
| Patent | Date |
|---|---|
| Liquid and gas tight threaded tubular connection Grant 8,287,008 - Charvet-Quemin , et al. October 16, 2 | 2012-10-16 |
| Threaded joint for steel pipes Grant 8,038,179 - Takano , et al. October 18, 2 | 2011-10-18 |
| Threaded joint for steel pipes Grant 7,900,975 - Nakamura , et al. March 8, 2 | 2011-03-08 |
| Tubular threaded joint Grant 7,823,931 - Hamamoto , et al. November 2, 2 | 2010-11-02 |
| Threaded Joint For Steel Pipes App 20100270793 - Takano; Takahiro ; et al. | 2010-10-28 |
| Threaded Joint For Steel Pipes App 20100078936 - Nakamura; Keiichi ; et al. | 2010-04-01 |
| Tubular threaded joint App 20090200798 - Hamamoto; Takahiro ; et al. | 2009-08-13 |
| Liquid and Gas Tight Threaded Tubular Connection App 20080265575 - Charvet-Quemin; Jean-Francois ; et al. | 2008-10-30 |
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