Yonezawa; Taketoshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yonezawa; Taketoshi.The latest application filed is for "optical head apparatus including concentric, periodic grating in a waveguide".
- Yonezawa; Taketoshi - Ibaraki JP
- Yonezawa; Taketoshi - Osaka JP
- Yonezawa; Taketoshi - Minoo JP
| Patent | Date |
|---|---|
| Optical head apparatus including concentric, periodic grating in a waveguide Grant 4,991,919 - Nishiwaki , et al. February 12, 1 | 1991-02-12 |
| Magnetic recording medium Grant 4,833,031 - Kurokawa , et al. May 23, 1 | 1989-05-23 |
| Magnetic recording media Grant 4,717,622 - Kurokawa , et al. January 5, 1 | 1988-01-05 |
| Plasma CVD apparatus and method for forming a diamond like carbon film Grant 4,645,977 - Kurokawa , et al. February 24, 1 | 1987-02-24 |
| Aligning exposure method Grant 4,636,077 - Nomura , et al. January 13, 1 | 1987-01-13 |
| Solid-state color-image sensor and process for fabricating the same Grant 4,523,102 - Kazufumi , et al. June 11, 1 | 1985-06-11 |
| Solid-state color-image sensor and process for fabricating the same Grant 4,418,284 - Ogawa , et al. November 29, 1 | 1983-11-29 |
| Solid-state color-image sensor and process for fabricating the same Grant 4,388,128 - Ogawa , et al. June 14, 1 | 1983-06-14 |
| Polishing method Grant 4,358,295 - Namba , et al. November 9, 1 | 1982-11-09 |
| Magnetic head and method for preparing the same Grant 4,170,032 - Yokoyama , et al. October 2, 1 | 1979-10-02 |
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