Yahata; Tsuyoshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yahata; Tsuyoshi.The latest application filed is for "metallocene compounds, production process for olefin polymers using catalysts containing them and olefin polymers produced by the production process".
- Yahata; Tsuyoshi - Ichihara JP
- Yahata, Tsuyoshi - Ichihara-shi JP
- Yahata, Tsuyoshi - Chiba JP
- Yahata; Tsuyoshi - Kawasaki JP
| Patent | Date |
|---|---|
| Metallocene compounds, production process for olefin polymers using catalysts containing them and olefin polymers produced by the production process Grant 7,019,157 - Uwai , et al. March 28, 2 | 2006-03-28 |
| Elastomeric polypropylene Grant 6,635,733 - Yahata , et al. October 21, 2 | 2003-10-21 |
| Metallocene compounds, production process for olefin polymers using catalysts containing them and olefin polymers produced by the production process App 20030149200 - Uwai, Toshihiro ; et al. | 2003-08-07 |
| Supported metallocene catalyst, process for preparing the same, and process for producing olefin polymers Grant 6,420,501 - Uwai , et al. July 16, 2 | 2002-07-16 |
| Elastomeric polypropylene App 20020002261 - Yahata, Tsuyoshi ; et al. | 2002-01-03 |
| Polypropylene composition App 20010031834 - Ushioda, Tsutomu ; et al. | 2001-10-18 |
| Polyphenylene ether-styrene graft copolymer composition and preparation thereof Grant 4,158,028 - Izawa , et al. June 12, 1 | 1979-06-12 |
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