Tsukiyama; Katsuhiro
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tsukiyama; Katsuhiro.The latest application filed is for "screw and screw fastening structure".
- Tsukiyama; Katsuhiro - Yokohama JP
- Tsukiyama; Katsuhiro - Kanagawa JP
- Tsukiyama; Katsuhiro - Saga-shi JP
- Tsukiyama; Katsuhiro - Fujisawa JP
| Patent | Date |
|---|---|
| Screw and screw fastening structure Grant 7,976,258 - Asai , et al. July 12, 2 | 2011-07-12 |
| Screw And Screw Fastening Structure App 20090290953 - Asai; Tetsuya ; et al. | 2009-11-26 |
| High-strength bolt superior in delayed fracture and resistance and relaxation resistance App 20070187003 - Takashima; Mitsuo ; et al. | 2007-08-16 |
| Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation Grant 6,605,166 - Koike , et al. August 12, 2 | 2003-08-12 |
| Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation App 20020179207 - Koike, Seiichi ; et al. | 2002-12-05 |
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