Yokoyama; Masuzo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yokoyama; Masuzo.The latest application filed is for "process for producing aromatic polycarbonate".
- Yokoyama; Masuzo - Mie JP
- Yokoyama; Masuzo - Yokkaichi JP
- Yokoyama; Masuzo - Ibaraki JP
- Yokoyama; Masuzo - Ami JA
- Yokoyama; Masuzo - Inashiki-gun Ibaraki-ken JA
| Patent | Date |
|---|---|
| Process for producing aromatic polycarbonate Grant 5,527,875 - Yokoyama , et al. June 18, 1 | 1996-06-18 |
| Process for producing aromatic polycarbonate Grant 5,391,691 - Yokoyama , et al. February 21, 1 | 1995-02-21 |
| Melt preparation of polycarbonate with metal compound and p compound catalysts Grant 5,250,655 - Yokoyama , et al. October 5, 1 | 1993-10-05 |
| Process for preparation of olefin polymers Grant 5,137,995 - Yokoyama , et al. August 11, 1 | 1992-08-11 |
| Resin composition Grant 4,985,495 - Nishio , et al. January 15, 1 | 1991-01-15 |
| Catalyst component for .alpha.-olefin polymerization and method of producing the same Grant 4,563,436 - Yokoyama , et al. January 7, 1 | 1986-01-07 |
| Process for producing catalyst components for olefin polymerization Grant 4,146,502 - Yokoyama , et al. March 27, 1 | 1979-03-27 |
| Production of alpha-olefin polymers Grant 3,875,126 - Tashiro , et al. April 1, 1 | 1975-04-01 |
| Catalytic Production Of Olefin Polymers Grant 3,676,418 - Tashiro , et al. July 11, 1 | 1972-07-11 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 