Okada; Toyokazu
Patent Applications and Registrations
Patent applications and USPTO patent grants for Okada; Toyokazu.The latest application filed is for "projection screen".
- Okada; Toyokazu - Yokohama JP
- Okada, Toyokazu - Yokohama-shi JP
- Okada; Toyokazu - Suita JP
- Okada; Toyokazu - Osaka JP
| Patent | Date |
|---|---|
| Projection screen having a plural number of light control layers Grant 7,586,680 - Okada , et al. September 8, 2 | 2009-09-08 |
| Projection screen App 20050219692 - Okada, Toyokazu ; et al. | 2005-10-06 |
| Dye-containing light-polarizing film Grant 5,310,509 - Okada , et al. May 10, 1 | 1994-05-10 |
| Light-polarizing films Grant 5,082,601 - Okada , et al. January 21, 1 | 1992-01-21 |
| Phase retarder and liquid crystal display using the same Grant 5,061,042 - Nakamura , et al. October 29, 1 | 1991-10-29 |
| Color liquid crystal displaying panels Grant 4,953,952 - Okumura , et al. September 4, 1 | 1990-09-04 |
| Light-polarizing films Grant 4,802,745 - Okada , et al. February 7, 1 | 1989-02-07 |
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