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Patent applications and USPTO patent grants for Hagiwara; Yoshitoshi.The latest application filed is for "method of, and apparatus for, manufacturing metallic bellows".
Patent | Date |
---|---|
Method of, and apparatus for, manufacturing metallic bellows Grant 8,046,916 - Hagiwara , et al. November 1, 2 | 2011-11-01 |
Method of, and apparatus for, manufacturing metallic bellows App 20080155806 - Hagiwara; Yoshitoshi ;   et al. | 2008-07-03 |
Titanium and/or titanium alloy sintered friction material Grant 5,922,452 - Takahashi , et al. July 13, 1 | 1999-07-13 |
Heat-resistant, wear-resistant and high-strength Al-Si alloy, and cylinder liner employing same Grant 4,959,276 - Hagiwara , et al. September 25, 1 | 1990-09-25 |
Synthetic wheel formed from two halves Grant 4,527,839 - Fujitaka , et al. July 9, 1 | 1985-07-09 |
Porous valve seat materials for internal combustion engines Grant 3,982,905 - Osawa , et al. September 28, 1 | 1976-09-28 |
Valve seat materials for internal combustion engines Grant 3,925,065 - Osawa , et al. December 9, 1 | 1975-12-09 |
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