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Patent applications and USPTO patent grants for Ushitani; Kenji.The latest application filed is for "poppet valve".
Patent | Date |
---|---|
Poppet valve Grant 4,073,474 - Hashimoto , et al. February 14, 1 | 1978-02-14 |
Iron-base sintered alloy for valve seat Grant 4,035,159 - Hashimoto , et al. July 12, 1 | 1977-07-12 |
Apparatus for manufacturing spherical hollow particles Grant 4,021,167 - Niimi , et al. May 3, 1 | 1977-05-03 |
High temperature-resistant wearproof sintered alloys Grant 3,863,318 - Niimi , et al. February 4, 1 | 1975-02-04 |
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