YAMASAKI; Hirotaka
Patent Applications and Registrations
Patent applications and USPTO patent grants for YAMASAKI; Hirotaka.The latest application filed is for "lubricating oil composition for gas engines".
- YAMASAKI; Hirotaka - Ichihara-shi JP
- Yamasaki; Hirotaka - Ichihara JP
- Yamasaki; Hirotaka - Chiba JP
- Yamasaki; Hirotaka - Sodegaura JP
| Patent | Date |
|---|---|
| Lubricating Oil Composition For Gas Engines App 20180171259 - YAMASAKI; Hirotaka | 2018-06-21 |
| Lubricating Oil Composition For Four Stroke Engine App 20180051228 - YAMASAKI; Hirotaka | 2018-02-22 |
| Lubricant composition Grant 8,557,751 - Yamasaki , et al. October 15, 2 | 2013-10-15 |
| Lubricant Composition App 20100126461 - Yamasaki; Hirotaka ; et al. | 2010-05-27 |
| Lubricating oil for compression-type refrigerators containing pentafluoroethane and a polyvinyl ether Grant 6,261,474 - Egawa , et al. July 17, 2 | 2001-07-17 |
| Process for producing an ether compound Grant 6,087,539 - Yamasaki , et al. July 11, 2 | 2000-07-11 |
| Mannich reaction product and process for producing the same and use of the product Grant 5,326,488 - Minokami , et al. July 5, 1 | 1994-07-05 |
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